Unit Converter

Convert between different measurement units instantly - length, weight, temperature, area, volume, and more

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Length Converter

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Recent Conversions

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Quick Conversions

Common Lengths

1 inch = 2.54 cm
1 foot = 30.48 cm
1 mile = 1.61 km

Common Weights

1 pound = 0.45 kg
1 ounce = 28.35 g
1 stone = 6.35 kg

Temperature

0°C = 32°F
100°C = 212°F
-40°C = -40°F

Volume

1 liter = 0.26 gal
1 gallon = 3.79 L
1 cup = 240 ml

About This Unit Converter

Our comprehensive unit converter supports conversions between all major measurement systems including metric, imperial, and US customary units.

Supported Categories

Length

Convert between meters, kilometers, miles, feet, inches, centimeters, millimeters, and more.

Weight

Convert between kilograms, pounds, ounces, grams, stones, and tons.

Temperature

Convert between Celsius, Fahrenheit, and Kelvin scales.

Area

Convert between square meters, square feet, acres, hectares, and square miles.

Volume

Convert between liters, milliliters, gallons, cups, fluid ounces, and cubic meters.

Speed

Convert between kilometers per hour, miles per hour, meters per second, and knots.

How to Use

  1. Select the measurement category from the buttons
  2. Enter the value you want to convert
  3. Select the input unit from the dropdown
  4. Select the output unit from the dropdown
  5. The conversion happens automatically as you type

Accuracy Note

All conversions are calculated using standard conversion factors. For scientific or precise engineering applications, please verify results with specialized tools.