Are the unit converters accurate?
Yes. Conversions use standard SI factors. Temperature uses non-linear formulas for Celsius, Fahrenheit, and Kelvin.
Unit Conversion Tools
Free Unit Converter Tools
Convert between metric and imperial units for length, weight, temperature, volume, area, speed, time, and digital data sizes. All conversions run in your browser instantly.
Enter value
Start with a measurement
1meterfeet
LengthWeightTemperatureSpeedData size
39unit converters
Metric & Imperialsystems
Instantbrowser output
/
Unit Tools
Free online unit conversion tools for length, weight, temperature, volume, area, speed, time, and data size.
Meters to Feet ConverterConvert meters to feet online for free. Type any value in meters and see the foot equivalent instantly with a full conversion table.Feet to Meters ConverterConvert feet to meters online for free. Type any value in feet and see the meter equivalent instantly with a full conversion table.Inches to Centimeters ConverterConvert inches to centimeters online for free. Get instant inch-to-cm results with a full conversion table for common values.Centimeters to Inches ConverterConvert centimeters to inches online for free. Get instant cm-to-inch results with a full conversion table for common values.Kilometers to Miles ConverterConvert kilometers to miles online for free. Get instant km-to-mile results with a full conversion table for travel and distance.Miles to Kilometers ConverterConvert miles to kilometers online for free. Get instant mile-to-km results with a full conversion table for travel and distance.Millimeters to Inches ConverterConvert millimeters to inches online for free. Get instant mm-to-inch results with a full conversion table for engineering and craft work.Meters to Yards ConverterConvert meters to yards online for free. Get instant m-to-yd results with a full conversion table for sports and fabric.Yards to Meters ConverterConvert yards to meters online for free. Get instant yd-to-m results with a full conversion table for sports and fabric.Kilograms to Pounds ConverterConvert kilograms to pounds online for free. Get instant kg-to-lbs results with a full conversion table for body weight and shipping.Pounds to Kilograms ConverterConvert pounds to kilograms online for free. Get instant lbs-to-kg results with a full conversion table for body weight and shipping.Grams to Ounces ConverterConvert grams to ounces online for free. Get instant g-to-oz results with a full conversion table for cooking and shipping.Ounces to Grams ConverterConvert ounces to grams online for free. Get instant oz-to-g results with a full conversion table for cooking and shipping.Stones to Kilograms ConverterConvert stones to kilograms online for free. Get instant st-to-kg results for body weight in UK measurements.Kilograms to Stones ConverterConvert kilograms to stones online for free. Get instant kg-to-st results for body weight in UK measurements.Celsius to Fahrenheit ConverterConvert Celsius to Fahrenheit online for free. Get instant °C-to-°F results with a temperature conversion table.Fahrenheit to Celsius ConverterConvert Fahrenheit to Celsius online for free. Get instant °F-to-°C results with a temperature conversion table.Celsius to Kelvin ConverterConvert Celsius to Kelvin online for free. Get instant °C-to-K results for science and engineering work.Liters to Gallons ConverterConvert liters to gallons online for free. Get instant L-to-gal (US) results with a conversion table for fuel and liquids.Gallons to Liters ConverterConvert gallons to liters online for free. Get instant gal-to-L (US) results for fuel, water, and beverages.Milliliters to Fluid Ounces ConverterConvert milliliters to fluid ounces online for free. Get instant ml-to-fl-oz (US) results for cooking and recipes.Fluid Ounces to Milliliters ConverterConvert fluid ounces to milliliters online for free. Get instant fl-oz-to-ml (US) results for cooking and beverages.Cups to Milliliters ConverterConvert US cups to milliliters online for free. Get instant cup-to-ml results for recipes and cooking.Square Feet to Square Meters ConverterConvert sqft to sqm online for free. Calculate square feet to square meters (ft² to m²) for floor plans, real estate, and room sizes.Square Meters to Square Feet ConverterConvert sqm to sqft online for free. Calculate square meters to square feet (m² to ft²) for floor plans, real estate, and room sizes.Acres to Hectares ConverterConvert acres to hectares online for free. Get instant acre-to-hectare results for land area, farming, and real estate.Hectares to Acres ConverterConvert hectares to acres online for free. Get instant hectare-to-acre results for land, farming, and real estate.MPH to KM/H ConverterConvert miles per hour to kilometers per hour online for free. Get instant mph-to-kmh results for travel and driving.KM/H to MPH ConverterConvert kilometers per hour to miles per hour online for free. Get instant kmh-to-mph results for travel and driving.Knots to MPH ConverterConvert knots to miles per hour online for free. Get instant kn-to-mph results for sailing, aviation, and weather.Seconds to Hours ConverterConvert seconds to hours online for free. Get instant s-to-h results for tasks, video durations, and time tracking.Hours to Minutes ConverterConvert hours to minutes online for free. Get instant h-to-min results for time tracking and scheduling.Days to Hours ConverterConvert days to hours online for free. Get instant d-to-h results for project planning and time tracking.MB to GB ConverterConvert megabytes to gigabytes online for free. Get instant MB-to-GB results for files, storage, and data plans.GB to MB ConverterConvert gigabytes to megabytes online for free. Get instant GB-to-MB results for files, storage, and data plans.KB to MB ConverterConvert kilobytes to megabytes online for free. Get instant KB-to-MB results for files and uploads.GB to TB ConverterConvert gigabytes to terabytes online for free. Get instant GB-to-TB results for hard drives and cloud storage.Bytes to Kilobytes ConverterConvert bytes to kilobytes online for free. Get instant B-to-KB results for small files and developer work.MB to KB ConverterConvert megabytes to kilobytes online for free. Get instant MB-to-KB results for file sizes and uploads.
How It Works
- Pick the unit converter for length, weight, temperature, volume, area, speed, time, or data size.
- Type a value and choose the from / to units you want to convert between.
- Read the result and the conversion table for common multiples instantly.
Common Uses
- Convert recipes and cooking measurements between metric and US units.
- Check distances, weights, and dimensions for shipping or travel.
- Translate temperature, fuel, or data size values for engineering and IT work.
Unit Tools FAQ
Are calculations done on a server?
No. All unit conversions run in your browser instantly with no upload or signup.
Which unit groups are supported?
Length, weight, temperature, volume, area, speed, time, and digital data size are supported with both metric and imperial units where applicable.