Unit Converters
These unit converters cover the everyday conversions people search for most often — length, weight, volume, temperature, and speed — with each page offering a single two-way conversion and a swap button so you can flip the direction instantly.
Every tool on this page updates instantly as you type. Pick a conversion below to get started.
Convert acres to square feet and back.
OpenConvert °C to °F and back with one click.
OpenConvert centimeters to inches and back.
OpenConvert feet to inches and back.
OpenConvert feet to meters and back.
OpenConvert US gallons to liters and back.
OpenConvert gigabytes to megabytes and back.
OpenConvert inches to centimeters and back.
OpenConvert inches to feet and back.
OpenConvert inches to millimeters and back.
OpenConvert kilograms to pounds and back.
OpenConvert kilograms to stones and back.
OpenConvert kilometers to miles and back.
OpenConvert kilometers per hour to miles per hour and back.
OpenConvert knots to miles per hour and back.
OpenConvert pounds to kilograms and back.
OpenConvert liters to US gallons and back.
OpenConvert megabytes to gigabytes and back.
OpenConvert meters to feet and back.
OpenConvert meters to yards and back.
OpenConvert miles to kilometers and back.
OpenConvert milliliters to US fluid ounces and back.
OpenConvert millimeters to inches and back.
OpenConvert miles per hour to kilometers per hour and back.
OpenConvert ounces to pounds and back.
OpenConvert US fluid ounces to milliliters and back.
OpenConvert pounds to ounces and back.
OpenConvert square feet to acres and back.
OpenConvert stones to kilograms and back.
OpenLength, weight, temperature, volume, speed, and data.
OpenConvert yards to meters and back.
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