Volume Converter

Convert volume units instantly between milliliters, liters, cubic meters, cups, fluid ounces, pints, quarts, and gallons.

How Volume Conversion Works

Volume measures the amount of space a substance occupies. Conversions are based on fixed relationships between units in the metric system (ml, L, m³) and the imperial/US customary system (cups, fl oz, pints, quarts, gallons).

Volume Conversion Factors (Base: Liters)

1 mL     = 0.001 L
1 L      = 1 L
1 m³     = 1000 L
1 tsp    = 0.00492892 L
1 tbsp   = 0.0147868 L
1 cup    = 0.24 L
1 fl oz  = 0.0295735 L
1 pint   = 0.473176 L
1 quart  = 0.946353 L
1 gallon = 3.78541 L

Common Uses

  • Cooking, baking, and recipe conversions
  • Liquid measurements in science labs
  • Beverage and food packaging
  • Fuel, oil, and industrial liquid measurement

Frequently Asked Questions

No. A US cup is 240 ml, while a metric cup is 250 ml.
No. Their sizes vary slightly by region (US vs UK vs metric). This calculator uses standard US measurements.
The SI base unit of volume is cubic meters (m³), but liters are used more commonly in everyday life.