Volume Unit Price Calculator

How to use this volume unit calculator

1. Enter the product price.
2. Enter the pack count, volume, and unit.
3. Add another item to compare the price per volume unit and find the lowest cost.

When to compare volume unit prices

Use this calculator for drinks, sauces, shampoo, detergent, refill packs, and other liquids sold in mixed bottle sizes. It helps when one label shows liters while another uses fluid ounces, pints, quarts, or gallons.

The calculator converts milliliter, liter, fluid ounce, pint, quart, and gallon entries into a common liquid base so you can compare true value quickly.

Volume price examples

A small bottle of shampoo can have a lower sticker price than a refill pouch but still cost more per milliliter. A family-size detergent bottle can also look expensive until you compare the price per liter.

Use the same approach for soda, juice, cooking oil, sauces, cleaners, and other liquids where bottle sizes vary.

Simple volume price formula

Divide the total price by the total liquid amount. When pack sizes use different volume units, this calculator converts them first and then compares the final unit cost.

Volume unit price FAQ

Should I compare per ml or per liter?

Use whichever unit is easier to read. The best deal will be the same as long as every item is converted to the same unit.

Are fluid ounces the same everywhere?

This calculator uses U.S. liquid measurements for fluid ounces, pints, quarts, and gallons.

Unit conversion reference

Use these quick volume conversions when you want to sanity-check a label. After you add items above, use the display unit selector to show live results in the unit you prefer.

Volume units on this page use U.S. liquid measurements, not UK / Imperial units.

• 1 ml = 0.001 L = 0.034 fl oz
• 1 L = 1,000 ml = 1.057 qt
• 1 pt = 473.176 ml = 16 fl oz
• 1 qt = 0.946 L = 2 pt
• 1 gal = 3.785 L = 4 qt

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