Our free price per unit calculator tells you exactly which product gives you the most for your money — in seconds. No maths. No guessing. Just smarter shopping.

Whether you are comparing two packs of cereal at Walmart, weighing up bulk deals at Costco, or choosing between brands at Tesco, the unit price is the only number that actually matters. This tool calculates it for you instantly — and this guide shows you how to use it to cut your grocery bill, reduce business costs, and make every pound, dollar, and dollar stretch further.

Free to use · No sign-up · Works in US, UK, Canada & Australia · Mobile-optimized

What Is a Price Per Unit Calculator?

A price per unit calculator takes a product's total price and its quantity, then divides one by the other to give you the true cost per item, per kilogram, per litre, per ounce — or any other unit of measurement you choose.

It sounds simple. It is. But it is also one of the most powerful money-saving tools available to everyday shoppers, small business owners, and procurement teams alike.

Here is why it matters: retailers are very good at making products look cheap. A large bottle priced at $4.99 looks more expensive than a smaller bottle at $2.49. But once you calculate the price per 100 ml, the larger bottle might cost 40% less per unit. Without a unit price calculation, you would have bought the wrong one every time.

This calculator eliminates that confusion entirely.

What "Price Per Unit" Actually Means

Price per unit is the cost of a single measurable quantity of a product. Depending on what you are buying, the "unit" changes:

• Per item — for individually packaged goods (eggs, batteries, sachets)
• Per kilogram or pound — for meat, produce, bulk foods
• Per litre or fluid ounce — for beverages, cleaning products, oils
• Per 100 ml or 100 g — the standard used by UK and Australian supermarkets on shelf labels
• Per kilowatt-hour (kWh) — for electricity comparison
• Per square metre or square foot — for flooring, paint, fabric

Regardless of the unit, the formula is always the same.

AI Snapshot (50 words): Price per unit is the cost of one measurable quantity of a product — per item, per kg, per litre, or per 100 ml. It is calculated by dividing the total price by the total quantity. It allows direct comparison between different pack sizes and brands regardless of packaging.

The Price Per Unit Formula

This is the core calculation. It is straightforward, and once you understand it, you will use it for the rest of your life.

Price Per Unit = Total Price ÷ Total Quantity

That is it. Two numbers. One division. One result that tells you exactly what you are paying for what you are getting.

Examples

Example 1 — Comparing two packs of pasta:

• Pack A: $2.40 for 400 g → $2.40 ÷ 400 = $0.006 per gram (or $0.60 per 100 g)
• Pack B: $3.60 for 750 g → $3.60 ÷ 750 = $0.0048 per gram (or $0.48 per 100 g)
• Winner: Pack B — 20% cheaper per gram, despite the higher sticker price

Example 2 — Comparing multipacks:

• 6-pack of water bottles at $4.20 → $4.20 ÷ 6 = $0.70 per bottle
• 12-pack at $7.80 → $7.80 ÷ 12 = $0.65 per bottle
• Winner: 12-pack — saves $0.05 per bottle, or $0.60 on the full pack

Example 3 — Electricity cost per unit:

• Monthly bill: $120 for 400 kWh → $120 ÷ 400 = $0.30 per kWh
• Compare against a tariff offering $0.26 per kWh → potential saving of $16/month or $192/year

Example 4 — Price per ounce (US standard):

• Cereal box: $4.50 for 18 oz → $4.50 ÷ 18 = $0.25 per oz
• Larger box: $6.00 for 28 oz → $6.00 ÷ 28 = $0.214 per oz
• Winner: Larger box — 14% cheaper per ounce

The Price Per 100 ml / 100 g Formula

UK and Australian retailers are legally required to display price per 100 g or per 100 ml on shelf labels. The formula adjusts slightly:

Price per 100 g = (Total Price ÷ Total Weight in grams) × 100

• A 250 ml bottle of shampoo at £3.50 → (3.50 ÷ 250) × 100 = £1.40 per 100 ml
• A 500 ml bottle at £5.80 → (5.80 ÷ 500) × 100 = £1.16 per 100 ml
• Winner: 500 ml bottle — saves £0.24 per 100 ml

Related Tool: Once you have found the best unit price, use our Discount Calculator to calculate the actual saving amount when promotional discounts are applied — and verify whether a "sale" price actually beats the standard unit price of a competitor.

How to Calculate Price Per Unit — Step-by-Step Guide

Step 1 — Find the total price

This is the price on the label or listed online. Include any applicable taxes if you are comparing products across different tax categories. In the US, sales tax varies by state and product type. In the UK and Australia, prices on shelf labels include VAT/GST.

Step 2 — Find the total quantity

Look at the product packaging for the weight, volume, count, or area. Make sure both products you are comparing use the same unit. If one is in grams and one is in ounces, convert first — our Unit Converter handles this in one click.

Step 3 — Divide price by quantity

Total Price ÷ Total Quantity = Price Per Unit

Round to a consistent number of decimal places (usually 3–4) for meaningful comparison.

Step 4 — Compare and choose

The lower number wins. But also factor in:

• Storage space — buying 10 kg of rice is only a good deal if you can store it
• Use-by dates — bulk buying perishables defeats the purpose if half goes to waste
• Quality differences — the cheapest unit price is not always the best value if one product is markedly inferior

Step 5 — Track over time

Prices change. Retailers rotate which size or brand has the best unit price. Checking unit prices regularly — especially during weekly shops — can add up to significant savings over a year.

Pro Tip: If you are splitting a bulk purchase with a flatmate or partner, use our Split Bill Calculator to divide the cost fairly after you have identified the best-value product using unit pricing.

Why Unit Price Matters More Than Sticker Price

Retailers invest significantly in pricing psychology. Prices ending in .99, larger packaging designed to look proportionally cheaper, BOGOF (buy one get one free) deals, and bulk promotions are all designed to influence purchase decisions without making unit cost comparison easy.

Here are the tactics most commonly used — and why unit pricing cuts through them:

"Buy 3 for £5" promotions: These look attractive, but if the individual item costs £1.49, buying three normally costs £4.47 — so the deal is only £0.53 cheaper in total, and you are buying three of something you may only need one of.

"Family size" packaging: Supermarkets know most shoppers assume bigger = cheaper per unit. Sometimes this is true. Sometimes the medium size has a better unit price than both the small and large options. The only way to know is to calculate it.

"Value" or own-brand labels: These are often better value per unit — but not always. Premium brands occasionally run promotions that make them cheaper per unit than the value alternative. Unit pricing catches this.

Multipack vs. single: Six individually priced items usually cost more per item than a multipack — but not always. At Costco, Makro, or Sam's Club, the multipack advantage is almost always real. At smaller convenience stores, single items can sometimes undercut the multipack rate.

Related Tool: When you are shopping on a fixed budget, our Grocery Calculator helps you plan your full grocery spend before you walk through the door — and our Percentage Calculator instantly tells you the percentage difference between any two unit prices.

Section 1: Grocery Shopping — The Highest-Value Use Case

United States: Price Per Oz and Price Per Lb

In the US, unit pricing in supermarkets is governed by varying state regulations. California, New York, Connecticut, Massachusetts, and several other states legally require unit pricing on shelf labels. In states without this requirement — or in stores like dollar stores, discount retailers, and warehouse clubs — the displayed unit price is often absent, misleading, or inconsistent.

This makes a manual unit price calculator essential for US shoppers at:

• Walmart — where "Rollback" and "Special Buy" labels don't always mean the best unit price
• Costco — where the unit price is genuinely excellent on most items, but some categories (electronics, clothing) don't follow the same pattern
• Target — where the store-brand "Good & Gather" products are often competitive per unit against national brands
• Amazon — especially Subscribe & Save, where a 15% discount on a product with a poor unit price may still be worse value than a bulk alternative elsewhere
• Kroger, Publix, Safeway — all carry varying unit price labelling across categories

Common US units for grocery comparison:

• Per oz (fluid ounce for beverages, dry ounce for packaged goods)
• Per lb (produce, meat, deli items)
• Per count/each (packaged items, hygiene products)

Worked example (US):

• Peanut butter, 16 oz jar at $3.49 → $3.49 ÷ 16 = $0.218/oz
• Peanut butter, 40 oz jar at $7.99 → $7.99 ÷ 40 = $0.200/oz
• The larger jar saves 8.3% per ounce

United Kingdom: Price Per 100 g and Price Per Litre

The UK has some of the strongest unit pricing regulations in the world. The Weights and Measures (Packaged Goods) Regulations require most retailers to display the price per kg, per litre, or per 100 ml/100 g on shelf labels.

Despite this, confusion still arises because:

• Promotions are shown in large text with unit prices in small print
• Meal deal and combo pricing obscures individual unit costs
• Online grocery comparison across Tesco, Sainsbury's, Asda, Morrisons, Lidl, and Aldi is time-consuming without a calculator

Common UK units:

• Per 100 g or per kg (dry goods, meat, cheese)
• Per 100 ml or per litre (beverages, cleaning products)
• Per each (bakery, individual items)

Worked example (UK):

• Cheddar cheese, 400 g block at £2.80 → £2.80 ÷ 400 × 100 = £0.70 per 100 g
• Cheddar cheese, 750 g block at £4.95 → £4.95 ÷ 750 × 100 = £0.66 per 100 g
• Buying the larger block saves 5.7% per 100 g — and with cheese being a regular staple, this adds up meaningfully over a month.

Canada: Mixed Imperial and Metric

Canada officially uses the metric system but retains imperial units in many retail contexts — particularly for produce (priced per lb at many markets), meat (per lb at butchers, per kg at major chains), and packaged goods (both kg and lb on labels).

This creates comparison challenges that a unit price calculator resolves instantly:

• Loblaw, No Frills, Real Canadian Superstore — metric labelling standard
• Costco Canada — lb pricing common for fresh goods
• T&T Supermarket, independent grocers — variable unit labelling

When comparing a product priced per lb against one priced per kg, always convert first (1 kg = 2.205 lb) before dividing. Our Unit Converter handles this in one step.

Australia: Grocery Comparison Done Properly

Australia's mandatory unit pricing scheme, introduced in 2009 and expanded in 2023, requires all major supermarkets — Woolworths, Coles, ALDI, IGA — to display unit prices. The Competition and Consumer Act mandates this for stores above 1,000 square metres.

Despite this, unit prices can be hard to spot during promotions. The price per unit calculator remains valuable for:

• Comparing online vs. in-store pricing
• Verifying whether a "half price" or "special" genuinely represents a better unit price
• Comparing national brands against Woolworths Everyday or Coles Brand products

Common Australian units:

• Per 100 g (packaged dry goods)
• Per 100 ml (beverages, sauces)
• Per each (bakery, fresh produce, eggs)

Section 2: Electricity Price Per Unit

In the context of energy, "price per unit" has a specific technical meaning. One unit of electricity = one kilowatt-hour (kWh). Your electricity bill is your consumption in kWh multiplied by the price per kWh on your tariff.

Formula: Electricity cost per unit = Total bill amount ÷ Total kWh consumed

Why this matters:

• Compare tariffs from different suppliers
• Understand the real cost of running specific appliances
• Calculate the payback period on energy-efficient upgrades

Worked Example (US): The US average electricity rate is around $0.16 per kWh nationally, but it ranges from $0.10 in states like Louisiana to over $0.30 in Hawaii and California.

If your bill shows 750 kWh consumed and a total charge of $142.50: $142.50 ÷ 750 = $0.19 per kWh

Now compare: a new tariff offers $0.15 per kWh. At 750 kWh/month, you would save: (0.19 − 0.15) × 750 = $30/month = $360/year

Worked Example (UK): The UK's Ofgem price cap sets a reference rate per kWh for electricity. As of 2025, the typical standing charge and unit rate means most households pay around 24–27p per kWh.

Monthly consumption: 280 kWh. Monthly bill: £72.80. £72.80 ÷ 280 = £0.26 per kWh

Checking a new tariff at £0.22 per kWh: Saving = (0.26 − 0.22) × 280 = £11.20/month = £134.40/year

Related Tool: To understand how rising energy prices affect your budget year over year, our Inflation Calculator shows the real purchasing power impact of energy price increases since any base year.

Section 3: Wholesale and Business Pricing

Unit pricing is not just a supermarket tool. It is a core procurement concept for any business that buys or sells goods.

Buying in Bulk — When Is It Worth It?

For businesses, the unit price equation involves more variables than a consumer decision:

• Cost per unit = (Unit price × Quantity) + Shipping + Storage ÷ Quantity
• A lower per-unit purchase price only saves money if storage and carrying costs do not exceed the discount

Example — A small café buying coffee beans:

• Supplier A: £9.50 per kg, minimum order 5 kg → £9.50/kg
• Supplier B: £8.20 per kg, minimum order 20 kg with £15 delivery → (8.20 × 20 + 15) ÷ 20 = £8.95/kg
• Supplier B is cheaper per kg, but requires 4× the capital outlay and storage. The unit price alone does not tell the whole story — but it is the essential starting point.

Setting Selling Prices from Cost Per Unit

For any product business, the unit cost calculation forms the foundation of pricing:

Selling Price = Cost Per Unit ÷ (1 − Desired Margin)

If a product costs $4.50 per unit to produce and package, and you want a 40% margin: Selling price = $4.50 ÷ (1 − 0.40) = $4.50 ÷ 0.60 = $7.50

Related Tools:

• Percentage Calculator — calculate margin, markup, and percentage difference between any two unit prices
• Discount Calculator — model the impact of promotional pricing on your unit margin

How to Calculate Cost Per Unit in Excel

For those who prefer spreadsheet-based tracking, here is the formula to use in Excel or Google Sheets:

In cell C2: =A2/B2

Where:

• A2 = Total Price
• B2 = Total Quantity
• C2 = Price Per Unit (result)

To calculate price per 100 g or 100 ml: In cell C2: =(A2/B2)*100

To compare two products and highlight the better value: In cell D2: =IF(C2<C3,"Product A is cheaper per unit","Product B is cheaper per unit")

For ongoing price tracking, create a table with columns: Product Name, Pack Price, Pack Size, Unit, Price Per Unit, Date. Sort by Price Per Unit to instantly identify the best deal across all tracked products.

Section 4: Online Shopping Comparison

Price per unit calculation is just as important — arguably more so — when shopping online, where packaging sizes are less visible and comparison is harder.

Amazon

Amazon product listings vary enormously in unit pricing. The "per unit" price shown in Amazon's listing is not always calculated on the same basis across competing products — some show per item, some per ounce, some per count.

Best practice for Amazon comparison:

1. Note the total price and total quantity from the product detail page
2. Calculate unit price manually using this calculator
3. Compare Subscribe & Save (15% discount) unit price against a single purchase at a retailer
4. Check the price per unit against the same product from a different seller (often dramatically different)

Supermarket Websites

All major UK supermarkets (Tesco, Sainsbury's, Asda, Morrisons) and Australian supermarkets (Woolworths, Coles) display unit prices online. However:

• Unit prices can disappear or change during promotional periods
• Multi-buy deals often hide the true per-unit saving
• Comparing across different category pages requires switching tabs and remembering numbers

A unit price calculator removes this friction — enter both products' prices and quantities, compare instantly.

Related Tool: When shopping across multiple currencies or comparing international prices, our Currency Converter converts any price into your local currency before you run the unit price calculation.

Country-Specific Unit Price Reference Guide

United States

Product Type	Standard Unit	Common Comparison
Dry groceries (cereal, flour)	Per oz	16 oz vs. 24 oz box
Fresh produce	Per lb	Loose vs. bagged
Beverages	Per fl oz	12-pack vs. 24-pack
Cleaning products	Per fl oz	Regular vs. concentrated
Electricity	Per kWh	Current vs. new tariff
Fuel	Per gallon	Regular vs. premium
Meat	Per lb	Store brand vs. national

United Kingdom

Product Type	Standard Unit	Common Comparison
Packaged dry goods	Per 100 g	Own brand vs. branded
Beverages	Per 100 ml or per litre	Small vs. large bottle
Fresh meat	Per kg	Supermarket vs. butcher
Cheese & dairy	Per 100 g	Block vs. pre-sliced
Cleaning products	Per 100 ml	Regular vs. refill pack
Electricity	Per kWh	Standard vs. Economy 7

Canada

Product Type	Standard Unit	Common Comparison
Fresh produce	Per lb (markets) or per kg (chains)	Loose vs. pre-packaged
Packaged goods	Per 100 g	Standard vs. bulk store
Meat	Per lb	Superstore vs. Costco
Beverages	Per 100 ml	2L vs. 4L format
Electricity	Per kWh	Varies by province

Australia

Product Type	Standard Unit	Common Comparison
Packaged dry goods	Per 100 g	Coles vs. Woolworths
Beverages	Per 100 ml	Small vs. large format
Meat	Per kg	Supermarket vs. butcher
Fresh produce	Per kg	Loose vs. packaged
Electricity	Per kWh	Standard vs. time-of-use

When the Cheapest Unit Price Is NOT the Right Choice

Unit pricing gives you the best data. But data alone does not make the decision. Here are situations where the lowest unit price should be overridden:

1. Perishables you cannot consume in time. A 5 kg bag of spinach at half the price per kg of a 500 g bag is a terrible deal if you throw away 4 kg before it wilts. The true cost per unit consumed is much higher.

2. Concentrated vs. diluted products. A concentrated cleaning fluid may have a higher price per litre than a ready-to-use version — but if it dilutes at 1:10, the effective price per litre of usable product is 90% lower. Always check whether the product requires dilution before comparing unit prices.

3. Quality differences that affect quantity needed. A cheap paper towel at $0.04/sheet may require three sheets to do the job one premium sheet ($0.06/sheet) handles. The actual cost per cleaning task favours the premium product.

4. Packaging waste and environmental cost. Buying the largest available pack reduces price per unit but generates more packaging if that size is impractical. Factor in your actual usage patterns.

5. Storage and spoilage costs for businesses. Businesses must account for warehousing cost per unit per day, insurance on stock, and shrinkage (theft, damage, expiry). A lower purchase price per unit can become a higher true cost per unit sold once these are included.

Related Tool: For businesses calculating the full cost of inventory, our Depreciation Calculator helps account for the declining value of goods held in stock over time.

Price Per Unit vs. Other Cost Comparison Methods

Method	What It Measures	Best For
Price per unit	Cost per measurable quantity	Grocery, bulk, energy
Price per serving	Cost based on actual servings	Food, supplements
Cost per use	Total cost ÷ expected uses	Appliances, tools, clothing
Cost per day	Total cost ÷ days of use	Subscriptions, durables
Lifetime cost	Purchase + running costs	Cars, appliances, electronics
Price per sq ft / sq m	Cost per area unit	Flooring, paint, real estate

Each method answers a different question. For everyday grocery and commodity comparison, price per unit is the most versatile and reliable starting point.

Related Tool: For comparing the long-term value of financial products — not just goods — our Compound Interest Calculator applies a similar "rate per unit time" logic to show the true cost of borrowing or the true value of saving.

Smart Shopping Summary — How to Use Unit Pricing Daily

Before every shop:

• Check your regular staples and identify the best-value size using unit price calculation
• Note which items are genuinely cheaper at bulk retailers (Costco, Makro, BJ's) vs. your local supermarket per unit

During the shop:

• When two sizes exist, calculate unit price on both before placing either in your trolley
• Be sceptical of "value" size labels — verify with the formula
• Check the per 100 g / per oz price on shelf labels (when displayed) against your own calculation to confirm accuracy

After the shop:

• Track prices of your most-bought items over time — unit prices fluctuate with promotions and supplier changes
• Review your most expensive categories and identify where buying larger or buying differently would reduce your cost per unit

Monthly:

• Compare your electricity unit cost against available tariffs — energy comparison is one of the highest-value unit price exercises for any household

Related Tools for Complete Budget Management:

• Grocery Calculator — plan your full weekly grocery spend
• Split Bill Calculator — divide bulk purchases fairly
• Discount Calculator — calculate the real saving on promotional prices
• Inflation Calculator — understand how price increases in grocery and energy compare to broader inflation
• Percentage Calculator — quickly calculate the % saving between any two unit prices

Frequently Asked Questions

How do you calculate price per unit?

Divide the total price by the total quantity: Price Per Unit = Total Price ÷ Total Quantity. For example, if 500 g costs $3.50, the price per gram is $3.50 ÷ 500 = $0.007, or $0.70 per 100 g. Use this to compare any two products directly regardless of pack size.

What is the unit price formula?

The unit price formula is: Unit Price = Total Cost ÷ Number of Units. If you are comparing by weight, use: Price per 100 g = (Price ÷ Weight in grams) × 100. For liquids: Price per 100 ml = (Price ÷ Volume in ml) × 100. This formula works for any product type.

How do you calculate cost per unit in Excel?

In Excel, enter total price in column A and total quantity in column B. In column C, type =A2/B2 and press Enter. This returns the price per unit. For price per 100 g, use =(A2/B2)*100. Copy the formula down for as many products as you need to compare.

What is price per unit in electricity?

In electricity billing, one unit equals one kilowatt-hour (kWh) of energy consumed. Price per unit is the rate your supplier charges per kWh, shown on your electricity bill. In the US, the average is around $0.16/kWh. In the UK, it is approximately 24–27p/kWh as of 2025. Multiply your consumption by this rate to get your total charge.

Is price per unit useful for grocery shopping?

Yes — it is arguably the single most useful number when comparing grocery products. Supermarkets deliberately vary pack sizes to make direct price comparison difficult. Unit pricing reveals which product is genuinely cheapest per gram, per ml, or per item regardless of packaging. It can reduce your grocery bill by 10–20% with no change in what you buy.

How do supermarkets calculate unit price?

Supermarkets divide the shelf price by the product weight or volume, then express the result per 100 g, per 100 ml, per kg, or per litre depending on the product category. In the UK and Australia this is a legal requirement for most packaged goods. In the US, requirements vary by state.

What is a good unit price?

A "good" unit price is simply the lowest price per unit among comparable products of equivalent quality. There is no universal benchmark — it depends on the product, the market, and the retailer. The best approach is always relative comparison: calculate the unit price for each option and choose the lowest, adjusting for quality and convenience.

How do you calculate price per piece?

Divide the total pack price by the number of items in the pack: Price per piece = Total Price ÷ Number of Items. For example, a 24-pack of batteries at $14.40 costs $14.40 ÷ 24 = $0.60 per battery. A 4-pack at $3.20 costs $0.80 per battery. The 24-pack is 25% cheaper per piece.

What is price per 100 ml?

Price per 100 ml is the cost of 100 millilitres of a liquid product, used to compare beverages, sauces, cleaning products, and toiletries across different bottle sizes. Formula: Price per 100 ml = (Total Price ÷ Total Volume in ml) × 100. For example: £2.80 for 350 ml → (£2.80 ÷ 350) × 100 = £0.80 per 100 ml.

How do you compare price per item across different sizes?

Convert each product to the same unit (both per 100 g, both per oz, both per each), then compare the resulting numbers directly. Always ensure you are comparing like with like — a concentrated product and a ready-to-use product are not directly comparable even if both are expressed per 100 ml.

Why do bigger packs sometimes cost more per unit?

Larger packs are not always better value per unit. Retailers occasionally price "family size" products at a premium — a strategy sometimes called "shrinkflation in reverse." Without calculating the unit price, shoppers assume bigger means cheaper per unit. Always verify. A medium size sometimes beats both the small and large options.

Can unit pricing be used for services and subscriptions?

Yes. You can apply unit pricing logic to any recurring cost. For a gym membership: $480/year ÷ 52 weeks = $9.23 per week, or ÷ 365 = $1.32 per day. For a streaming service: $15.99/month for access to 500 shows = $0.032 per show in the library. This reframes cost in terms of actual usage value.

How accurate is online unit pricing on supermarket websites?

Variable. UK supermarkets are legally required to display accurate unit prices online, and most do. In the US, online unit pricing accuracy depends on the retailer and state. Amazon's unit pricing is inconsistently calculated across listings. When accuracy matters — especially for large purchases or regular items — always verify with your own calculation using this tool.

The Bottom Line: One Formula That Saves You Money Every Week

The price per unit formula — Total Price ÷ Total Quantity — is two operations long and infinitely valuable. It cuts through promotional pricing, pack size manipulation, and the cognitive load of in-store comparison. It works in every currency, every country, and every product category from breakfast cereal to electricity tariffs.

Shoppers in the US, UK, Canada, and Australia who use unit pricing consistently spend less on the same products — not because they buy inferior goods, but because they buy the same goods more efficiently.

This calculator does the arithmetic instantly. The guide above gives you the context to use it wisely. Together, they make every pound, dollar, and dollar go further — every single week.

Try it now. Enter any price and quantity. See the unit cost. Compare. Save.

More Tools for Smarter Spending:

• Grocery Calculator — plan your full grocery budget before you shop
• Discount Calculator — verify whether promotional deals are genuinely cheaper per unit
• Split Bill Calculator — split bulk purchases fairly between friends or housemates
• Inflation Calculator — understand how grocery price inflation affects your household costs over time
• Percentage Calculator — calculate percentage savings between any two unit prices instantly
• Currency Converter — convert international prices before comparing unit costs across borders
• Salary to Hourly Calculator — see what any purchase costs in terms of hours worked — the ultimate value check