Unit converters
Length, weight, volume, temperature…
Convert between hundreds of units of length, weight, volume, speed, area, data storage, time and temperature. Every converter shows the exact formula, a conversion table and worked examples, and runs instantly in your browser. Start with a category below or pick a popular conversion.
All tools
Popular conversions
- Fahrenheit → Celsius
- Celsius → Fahrenheit
- feet → centimeters
- inches → centimeters
- kilograms → pounds
- pounds → kilograms
- miles → kilometers
- kilometers → miles
- centimeters → inches
- centimeters → feet
- feet → meters
- meters → feet
- ounces → grams
- grams → ounces
- cups → milliliters
- milliliters → cups
- gallons → liters
- liters → gallons
- miles per hour → kilometers per hour
- kilometers per hour → miles per hour
- stone → kilograms
- kilograms → stone
- stone → pounds
- pounds → stone
- fluid ounces → milliliters
- milliliters → fluid ounces
- tablespoons → milliliters
- teaspoons → milliliters
- meters → inches
- inches → millimeters
- millimeters → inches
- hectares → acres
- acres → hectares
- square feet → square meters
- square meters → square feet
- megabytes → gigabytes