Unit Price Calculator
Compare two pack sizes and see which one is genuinely cheaper per unit.
Inputs
Formula
- Unit price = price / size
Shelf labels rarely make it easy to compare a 500 g pack with a 1 kg one. Divide price by size for both and the cheaper option is obvious — this shows the saving as a percentage too.
Step-by-step calculation
- 1
A
price / size
0.36
- 2
B
price / size
0.32
Frequently asked questions
What does the Unit Price Calculator do?
Compare two pack sizes and see which one is genuinely cheaper per unit. The Unit Price Calculator on OneCalcApp returns the result instantly as you type, together with the formula and the substituted values.
How do I use the Unit Price Calculator?
Enter your values in the input fields, choose the relevant units or options, and the Unit Price Calculator recalculates automatically. You can copy, print or export the result.
Is the Unit Price Calculator free to use?
Yes. The Unit Price Calculator is completely free, needs no sign-up and has no usage limit on OneCalcApp.
How accurate is the Unit Price Calculator?
It uses the standard formula Unit price = price / size and full double-precision arithmetic, so results match a manual calculation to the displayed number of digits.
Does the Unit Price Calculator work on mobile and offline?
Yes. The Unit Price Calculator runs entirely in your browser on phones, tablets and desktops, and your inputs never leave your device.
Where can I find related tools?
OneCalcApp hosts 300+ calculators and converters, including the full Lifestyle collection. Related tools are linked at the bottom of every page.
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