Volume

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Convert between liquid and dry volume units instantly. Our converter supports liters, milliliters, US gallons, US fluid ounces, cups, and US pints. Use it for fuel economy, cooking, brewing, or lab prep. Volume tells you how much three-dimensional space a fluid occupies. The liter is standard worldwide for beverages and bottles; the US still uses gallons for fuel and fluid ounces on nutrition labels. One US gallon is 3.78541 liters; a US cup is 240 mL by definition (236.588 mL in precision cooking); a fluid ounce is 1/128 of a US gallon. Pints split a quart and matter for beer and dairy in the US and UK (here we use US liquid measure). Conversions use fixed US customary definitions so your recipe scaling stays consistent. Nothing is uploaded—everything runs in your browser.

Supported units: liter (L), milliliter (mL), US gallon (gal), US fluid ounce (fl oz), cup, US liquid pint (pint). US customary volumes.

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All units for this value

UnitResult
liter0 L
milliliter0 mL
gallon0 gal
fluid ounce0 floz
cup0 cup
pint0 pint

Brief explanation: liter to milliliter

Liter is the metric reference. US gallon ≈ 3.785 L; US fl oz ≈ 29.57 mL; US cup ≈ 236.6 mL; US pint ≈ 473.2 mL. Always specify US vs imperial when precision matters.

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Common conversions – Volume

Most common Volume conversions

Most common: liters to US gallons (fuel), cups to ml (cooking), fl oz to ml (nutrition labels).

Quick reference – Volume

1 L = 1000 mL | 1 US gal = 3.785 L | 1 US cup ≈ 236.6 mL | 1 US fl oz ≈ 29.57 mL | 1 US pint ≈ 473.2 mL

FAQ

Common Use Cases

  • Cooking and baking
  • Liquid measurements
  • Fuel consumption
  • Chemistry

Frequently Asked Questions

How many ml in a liter?
1 liter equals 1,000 milliliters.
How many liters in a gallon?
1 US gallon equals approximately 3.785 liters. 1 UK gallon = 4.546 liters.

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