Volume Converter — Liters, Gallons, Cups, ml, oz & More

Convert liters ⇄ gallons ⇄ cups ⇄ fl-oz instantly — recipes, fuel, chemistry and drinks.

Quick answer: Free volume converter: liters, gallons, ml, cups, fluid ounces, tablespoons, cubic meters — instant, exact, offline.

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How to use

  1. Enter the volume.
  2. Pick units (watch US vs Imperial!).
  3. Live result appears.

About this tool

US cups vs metric cups vs Imperial pints ruin recipes worldwide. This converter separates US and Imperial units explicitly and uses exact factors, so your bake or fuel math is right the first time.

FAQ

US gallon vs Imperial gallon?
US = 3.785 L, Imperial = 4.546 L — both listed separately; pick the right one for your country.
Which cup is used in recipes?
US legal cup = 240 ml is included as 'cup (US)'; metric cup = 250 ml also listed.
Cooking conversions?
Tablespoon (US 14.8 ml), teaspoon (4.93 ml) included — recipe-safe.
Fuel economy?
Convert gallons to liters here, then compute km/L or mpg separately.
Offline?
Yes.
Why does my measuring cup differ?
Cup sizes vary by country — this tool labels each explicitly so you match your cup.