Volume Converter Tools – Convert Liters, Milliliters, Gallons, Cups & Ounces
Use these volume converter tools to switch quickly between liters, milliliters, US & UK gallons, cups (US & metric), tablespoons, teaspoons, ounces (US & UK), and pints. Each calculator provides instant results, clear formulas, and a consistent, mobile-first interface.
Whether you’re converting for cooking, nutrition labels, bar recipes, or fuel and fluid capacity, this hub uses exact standards for dependable results (e.g., US gallon = 3.785411784 L; imperial gallon = 4.54609 L).
Liters to Gallons
Convert liters to US gallons precisely.
Gallons to Liters
Convert US gallons to liters accurately.
Liters to Imperial Gallons
Convert liters to UK imperial gallons.
Imperial Gallons to Liters
Convert UK imperial gallons to liters.
Gallons to Imperial Gallons
US gallons ↔ UK imperial gallons conversion.
Imperial Gallons to Gallons
Convert UK imperial gallons to US gallons.
Pints to Liters
Convert US pints to liters.
Liters to Pints
Convert liters to US pints.
Cups (US) to Milliliters
Convert US cups to mL (cooking & baking).
Milliliters to Cups (US)
Convert mL to US cups for recipes.
Cups (Metric) to Milliliters
Convert metric cups (250 mL) to milliliters.
Milliliters to Cups (Metric)
Convert mL to metric cups accurately.
Ounces (US fl oz) to mL
Convert US fluid ounces to milliliters.
Milliliters to Ounces (US)
Convert mL to US fluid ounces.
Ounces (UK fl oz) to mL
Convert imperial fl oz to milliliters.
Milliliters to Ounces (UK)
Convert mL to imperial fluid ounces.
Tablespoons to Milliliters
Convert US tablespoons to milliliters.
Milliliters to Tablespoons
Convert mL to US tablespoons for recipes.
Teaspoons to Milliliters
Convert US teaspoons to milliliters.
Milliliters to Teaspoons
Convert mL to US teaspoons quickly.
Tablespoons to Teaspoons
Convert tablespoons to teaspoons (US).
Teaspoons to Tablespoons
Convert teaspoons to tablespoons (US).
Core Volume Conversion Relationships
-
mL = L × 1000•L = mL ÷ 1000 -
US gal = L ÷ 3.785411784(exact) •L = US gal × 3.785411784 -
Imp gal = L ÷ 4.54609(exact) •L = Imp gal × 4.54609 -
US fl oz = mL ÷ 29.5735295625(exact) •mL = US fl oz × 29.5735295625 -
Imp fl oz = mL ÷ 28.4130625(exact) •mL = Imp fl oz × 28.4130625 -
US cup (customary) = 236.5882365 mL•Metric cup = 250 mL -
US tbsp = 14.78676478125 mL•US tsp = 4.92892159375 mL -
US pint = 473.176473 mL•1 L ≈ 2.1133764189 US pt
Common Use Cases
- Cooking & baking (cups ⇄ mL; tbsp/tsp ⇄ mL; fl oz ⇄ mL)
- Bar & beverage recipes (US fl oz, metric mL, and UK fl oz)
- Fuel and container capacity (gallons ⇄ liters; pints ⇄ liters)
- Nutrition labeling and product packaging (metric standardization)
Accuracy & Best Practices
- Confirm whether your recipe uses US or metric cups; they differ (236.588 mL vs 250 mL).
- US vs UK fluid ounces also differ (29.5735 mL vs 28.4131 mL). Pick the matching tool.
- For cooking, rounding to 1 decimal place is fine; for labeling/engineering, keep exact constants.
Frequently Asked Questions
How many liters are in a US gallon?
1 US liquid gallon = 3.785411784 liters (exact). Therefore gallons = liters ÷ 3.785411784 and liters = gallons × 3.785411784.
What’s the difference between a US gallon and an Imperial (UK) gallon?
An imperial gallon is larger: 1 imperial gallon = 4.54609 liters (exact). A US gallon = 3.785411784 liters. Never mix them in recipes or fuel calculations.
How many milliliters are in a US fluid ounce?
1 US fluid ounce (fl oz) = 29.5735295625 mL (exact). For imperial (UK) fl oz, 1 fl oz = 28.4130625 mL.
What is a metric cup vs a US cup?
A metric cup is exactly 250 mL. A US customary cup is 236.5882365 mL (the US ‘legal’ cup used on nutrition labels is 240 mL). Our tools distinguish US and metric cups where relevant.
Tablespoon and teaspoon sizes in milliliters (US)?
US tablespoon = 14.78676478125 mL; US teaspoon = 4.92892159375 mL (both exact by definition).
How many pints are in a liter (US liquid)?
1 US pint = 473.176473 mL, so 1 liter ≈ 2.1133764189 US pints.
Example Conversions
- 1 US gallon = 3.785411784 L
- 1 imperial gallon = 4.54609 L
- 1 L ≈ 33.814 US fl oz
- 500 mL = 2 metric cups (exact)
- 2 US cups ≈ 473.176 mL
- 1 US tbsp ≈ 14.787 mL • 1 US tsp ≈ 4.929 mL
Bookmark this volume hub for quick access to your most common conversions. All tools share the same simple layout and instant-result design so you can move between units without friction.