Skip to main content
snaptools
Categories json csv text encoding hash formatters converters generators
Guides Pricing Sign in
chain
⇄
Volume Converter
⌃⏎ run · ⎋ clear · / focus input
All units
send result to
no matches
// about this tool

Volume Converter Online

Updated 2026-08-19

Convert volume online for free between litres, millilitres, US gallons, quarts, pints, cups, fluid ounces, and tablespoons. Enter a value, pick the units, and SnapTools shows the result instantly. Everything runs in your browser, so nothing you enter is uploaded.

Volume is the classic kitchen headache — recipes in cups, bottles in millilitres, fuel in gallons. This converter moves between metric and US customary units in any direction using standard factors, so you can scale a recipe, compare product sizes, or convert fuel volumes without second-guessing the math. Just note the gallons and pints here are US customary, which differ from imperial.

// how to use

  1. 1 Enter a volume value in the input panel.
  2. 2 Choose the unit you're converting from and the unit you're converting to.
  3. 3 Read the converted value on the right, then copy it.

// examples

US gallons to litres
Input
1 gal → L
Output
3.7854118 L
Litres to millilitres
Input
2 L → mL
Output
2000 mL
Cups to millilitres
Input
1 cup → mL
Output
236.588 mL

// common uses

Converting recipe measurements between cups and millilitres Fuel and liquid volumes between gallons and litres Scaling batch quantities in the kitchen or lab Reading product sizes given in another unit

// faq

Is my input uploaded to a server?
No. The conversion runs entirely in your browser, so nothing you enter leaves your machine.
Which volume units are supported?
Millilitres and litres on the metric side, and US fluid ounces, cups, pints, quarts, gallons, and tablespoons on the US customary side.
Are these US or imperial gallons?
The gallon, pint, quart, and cup here are US customary units. A US gallon is about 3.785 litres, which differs from the imperial gallon (about 4.546 litres), so check which system your source uses.
How many millilitres are in a cup?
A US cup is about 236.6 mL. This converter uses the standard factors, so cooking measurements convert accurately.
Is this good for recipes?
Yes. Converting between cups, tablespoons, millilitres, and litres is one of the most common uses, especially when following recipes from another country.

// works with your data

Sort & Dedupe Lines Slug Generator Reverse Text Text Repeater Remove Duplicate Lines Whitespace Remover

Use this via API

Get a free API key → 
curl -X POST https://thesnaptools.com/api/v1/tools/volume-converter \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"value":"1 gal \u2192 L"}'