Free Unit Converter Online

One tool for seven categories: length, weight, temperature, volume, area, speed, and time. Metric and imperial supported with high precision.

Result
1 m = 3.280839895 ft

Try this example

You\'re reading a recipe in cups but your measuring jug only has milliliters. You need to convert 1.5 cups to ml.

Steps
  1. 1Pick the Volume category.
  2. 2Type 1.5 in the input and select cup (US) as the From unit.
  3. 3Pick ml as the To unit. The result is 354.882 ml.
Expected result
1.5 cup (US) = 354.882 ml

How to Use

  1. 01Pick a category (length, weight, temperature, etc.).
  2. 02Enter a value and select the From unit.
  3. 03Pick the To unit. The result updates instantly.

FAQ

How accurate are the conversions?

Very. Conversions use official ratios (e.g. 1 inch = 0.0254 meters exactly). Results display up to 10 significant digits.

Does temperature work correctly?

Yes. Temperature uses proper conversion formulas (not simple ratios) for Celsius, Fahrenheit, and Kelvin.

Which volume units are supported?

Milliliter, liter, cubic meter, US teaspoon, tablespoon, fluid ounce, cup, pint, quart, and gallon. All US customary.

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