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Volume Converter

Liters, milliliters, cubic meters and gallons.

From method
Value
To method
Result
Liter (L)Milliliter (mL)
1 l = 1000 ml

When to use volume conversions

Useful for cooking, liquid measurements, and container sizing. Convert quickly between metric and imperial volume units.


  • Basics: Volume measures three-dimensional capacity. Common units include liters (L), milliliters (mL), cubic metres (m³) and gallons. Accurate conversions are important for cooking, lab work, shipping and inventory.
  • Units explained: 1 cubic meter (m³) = 1000 liters (L). 1 liter = 1000 milliliters (mL). US gallons and imperial gallons differ: 1 US gallon ≈ 3.78541 L; 1 imperial gallon ≈ 4.54609 L.
  • Conversion factors: Use 1 L = 0.264172 US gallons or 1 L = 0.219969 imperial gallons for quick translations. For mL to cups, 1 cup ≈ 236.588 mL (US) or 250 mL (metric).
  • Key relations: 1000 mL = 1 L, 1 L = 0.001 m³, and 1 US gallon ≈ 3.78541 L. Use these base factors when translating between metric and imperial volumes.
  • Use cases: Convert recipe volumes between metric and imperial units, translate tank capacities for shipping logistics, or switch lab measurements for experiments.
  • Examples: Convert a 2 L bottle to US gallons for shipping, 500 mL to cups for cooking, or tank volumes between m³ and litres for inventory management.
  • Practical tips: In labs use mL or µL for precision; for shipping convert tank volumes to L or gallons to estimate fill and mass. For recipes, confirm whether measures are fluid ounces, cups or litres before converting.
  • Implementation note: When programming, convert to a single base unit (liters) internally to reduce rounding differences and only format for display.
  • Examples to try: Convert a 2 L bottle to US gallons for shipping, 500 mL to cups for cooking, or tank volumes between m³ and litres for inventory management.
  • Context: Volume measurements are essential across cooking, science and industry. Accurate conversions ensure proper dosing, shipping and resource management.
  • Related converters: Complement volume conversions with the length converter and weight converter for comprehensive unit management.
  • Feedback: If you have suggestions for additional features or improvements, please reach out via our feedback page.