Everyday measurement tools
Converters
Free unit converters for length, weight, height, and temperature. Instant browser results for US users with no sign-up. Free to use on desktop or phone.
24 tools availableAvailable tools
Height
Convert height between millimeters, centimeters, meters, feet, and inches.
Open toolWeight
Convert weight between milligrams, grams, kilograms, ounces, pounds, and stone.
Open toolLength
Convert common metric and imperial lengths from millimeters through miles.
Open toolTemperature
Convert temperatures accurately between Celsius, Fahrenheit, and Kelvin.
Open toolArea
Convert surface area between metric, imperial, hectare, and acre measurements.
Open toolVolume
Convert liquid and solid volume between liters, gallons, pints, and cubic units.
Open toolSpeed
Convert speed between kilometers per hour, miles per hour, knots, and more.
Open toolData storage
Convert storage sizes between decimal bytes and binary KiB, MiB, GiB, and TiB.
Open toolcm to inches
Convert cm to inches instantly. 1 cm = 0.3937 in (exact inch = 2.54 cm). Free online cm to inches converter with chart. No sign-up.
Open toolinches to cm
Convert inches to cm instantly. 1 inch = 2.54 cm exactly. Free inches to cm converter with chart for common sizes. No sign-up.
Open toolfeet to meters
Convert feet to meters instantly. 1 foot = 0.3048 m exactly. Free feet to meters converter with chart. No sign-up.
Open toolmeters to feet
Convert meters to feet instantly. 1 m = 3.28084 ft (1 foot = 0.3048 m exactly). Free meters to feet converter with chart. No sign-up.
Open toolmiles to km
Convert miles to km instantly. 1 mile = 1.609344 km exactly. Free miles to kilometers converter with chart. No sign-up.
Open toolkm to miles
Convert km to miles instantly. 1 km = 0.621371 mi. Free kilometers to miles converter with chart. No sign-up.
Open toolyards to meters
Convert yards to meters instantly. 1 yard = 0.9144 m exactly. Free yards to meters converter with chart. No sign-up.
Open toolinches to feet
Convert inches to feet instantly. 1 foot = 12 inches exactly. Free inches to feet converter with chart. No sign-up.
Open toolmm to inches
Convert mm to inches instantly. 1 mm = 0.03937 in (1 inch = 25.4 mm). Free mm to inches converter with chart. No sign-up.
Open toolkg to lbs
Convert kg to lbs instantly. 1 kg = 2.20462262 lb. Free kg to lbs converter with body-weight chart. No sign-up.
Open toollbs to kg
Convert lbs to kg instantly. Free pounds to kilograms converter with chart for common body weights. No sign-up.
Open toolgrams to ounces
Convert grams to ounces instantly. 1 oz = 28.349523125 g. Free grams to ounces converter with chart. No sign-up.
Open toolounces to grams
Convert ounces to grams instantly. 1 oz = 28.349523125 g exactly. Free ounces to grams converter with chart. No sign-up.
Open toolstone to lbs
Convert stone to pounds instantly. 1 stone = 14 lb exactly. Free stone to lbs converter with body-weight chart. No sign-up.
Open toolcelsius to fahrenheit
Convert Celsius to Fahrenheit instantly. °F = (°C × 9/5) + 32. Free converter with weather and body-temp chart.
Open toolfahrenheit to celsius
Convert Fahrenheit to Celsius instantly. °C = (°F - 32) × 5/9. Free converter with weather and body-temp chart.
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