What is the difference between US and UK gallons?

The US gallon is 3.785 liters, while the Imperial UK gallon is 4.546 liters, about 20% larger. US and UK pints and fluid ounces also differ.

How many milliliters are in a tablespoon?

One US tablespoon is 14.787 mL, often rounded to 15 mL. One teaspoon is 4.929 mL, rounded to 5 mL.

What is a cubic meter used for?

Cubic meters measure large volumes: water usage billed by utilities, concrete for construction, and swimming pool capacity. 1 cubic meter = 1,000 liters.

Is a cup the same everywhere?

No. A US cup is 236.6 mL. A metric cup used in Australia and Canada is 250 mL. Always check which cup a recipe uses.

Volume Converter

Convert between liters, gallons, cups, fluid ounces, cubic meters, and more

From

Value

Unit

Result

—

Enter a value to convert

Milliliters

—

Gallons (US)

—

Cups (US)

—

Fluid Oz

—

Volume Scale (log)

All Units Relative to 1 Liter

Click any row to use that unit in the converter.

Unit	Symbol	In Liters	1 Liter =

Real-World Reference

🥄Teaspoon5 mL = 0.17 fl oz

☕Espresso Shot30 mL = 1 fl oz

🥤Soda Can355 mL = 12 fl oz

🍾Wine Bottle750 mL = 25.4 fl oz

🥛Milk Jug1 gallon = 3.79 L

🛁Bathtub300 L = 79.3 gal

Common Volumes (Liters ↔ Gallons)

Liters	US Gallons	Fluid Oz	Context
0.25 L	0.066 gal	8.45 fl oz	Cup of water
0.5 L	0.132 gal	16.9 fl oz	Standard bottle
1 L	0.264 gal	33.8 fl oz	Large water bottle
2 L	0.528 gal	67.6 fl oz	Soda bottle
3.785 L	1 gal	128 fl oz	1 US gallon
10 L	2.64 gal	338 fl oz	Jerry can
20 L	5.28 gal	676 fl oz	Water cooler jug
50 L	13.2 gal	1,690 fl oz	Fuel fill-up

Cooking & Baking Guide

Ingredient / Item	US Volume	Metric	Notes
1 stick of butter	½ cup (8 tbsp)	113 mL / 113 g	Standard US butter stick
1 can beans / tomatoes (15 oz)	~1¾ cups	444 mL	Drained weight varies
1 large egg (cracked)	~3 tbsp	~44 mL	Size varies slightly
1 cup all-purpose flour	1 cup	240 mL / ~125 g	Sifted vs packed differs
1 cup whole milk	1 cup (8 fl oz)	237 mL / 244 g	~1.03 g/mL density
1 cup granulated sugar	1 cup	240 mL / ~200 g	Denser than flour
1 cup honey	1 cup	240 mL / ~340 g	~1.42 g/mL density
1 wine pour (standard)	5 fl oz	148 mL	~⅕ of a 750 mL bottle

US vs. Metric Quick Comparison

US Unit	Exact mL	Metric Equivalent
1 teaspoon (tsp)	4.929 mL	≈ 5 mL
1 tablespoon (tbsp)	14.787 mL	≈ 15 mL
1 fluid ounce (fl oz)	29.574 mL	≈ 30 mL
1 cup	236.588 mL	≈ 250 mL (metric cup)
1 pint	473.176 mL	≈ 500 mL
1 quart	946.353 mL	≈ 1 L
1 gallon	3785.41 mL	= 3.785 L