How to use the unit price calculator
Find the price per unit of an item to compare value between package sizes. Enter package price, quantity in package in the fields above; the price per unit, price per 100 units are computed instantly and plotted on the chart so you can see how the answer changes.
Common searches this calculator answers include “unit price”, “price per unit comparison”, “cheapest per gram”, “calculate unit price”, “find price per unit”.
Formula
Variables
- price — Package price ($)
- qty — Quantity in package (units)
Worked example
With package price = 4.99 $, quantity in package = 12 units, the calculator gives price per unit ≈ 0.4158333 $; price per 100 units ≈ 41.58333 $.
Frequently asked questions
What is the unit price calculator used for?
Find the price per unit of an item to compare value between package sizes. It helps with questions such as “unit price”, “price per unit comparison”, “cheapest per gram”.
What is the formula for the unit price calculation?
Price per unit ($) = price / qty. Price per 100 units ($) = [Price per unit] × 100. Here price is package price ($), qty is quantity in package (units).
What inputs do I need for the unit price calculator?
You need package price in $, quantity in package in units. Each field is pre-filled with a typical example so you can see how the result responds as you edit the numbers.
How do I use the unit price calculator?
Type values into the input fields. Results and the chart update instantly. Use Reset to restore the example values, Copy results to paste them elsewhere, or Share to copy a link that preserves your inputs.
Is the unit price result exact?
Calculations use standard formulas and double-precision arithmetic, then display about seven significant figures. Real-world measurements carry uncertainty, so treat results as estimates unless your inputs are exact.