UnitCalcPro

Unit Converters

Convert between metric, imperial, and scientific units instantly with our free online converters.

Length Conversion Calculator

Convert between metric (mm, cm, m, km) and imperial (in, ft, yd, mi) length units instantly.

8 units supported

Temperature Converter

Convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K).

3 units supported

Weight & Mass Converter

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

8 units supported

Volume Converter

Convert between ml, L, m³, fl oz, cups, pints, quarts, and gallons.

8 units supported

Area Converter

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

8 units supported

Speed Converter

Convert between m/s, km/h, mph, and knots.

5 units supported

Time Converter

Convert between seconds, minutes, hours, days, and weeks.

7 units supported

Pressure Converter

Convert between Pa, kPa, bar, atm, and psi.

6 units supported

Force Converter

Convert between Newtons, pound-force, and kilogram-force.

5 units supported

Torque Converter

Convert between N·m, ft·lb, and in·lb.

4 units supported

Energy Converter

Convert between Joules, calories, kWh, and BTU.

7 units supported

Power Converter

Convert between Watts, kilowatts, and horsepower.

5 units supported

Density Converter

Convert between kg/m³ and lb/ft³.

4 units supported

Data Storage Converter

Convert between bits, bytes, KB, MB, GB, and TB.

6 units supported

Angle Converter

Convert between degrees, radians, and gradians.

4 units supported

Acceleration Converter

Convert between m/s² and g-force.

4 units supported

Flow Rate Converter

Convert between L/min, m³/h, and GPM.

5 units supported

Frequency & Wavelength Converter

Convert between Hz, kHz, MHz, GHz and corresponding wavelengths.

5 units supported

Illumination Converter

Convert between lux and foot-candles.

3 units supported

Viscosity Converter

Convert between dynamic and kinematic viscosity units.

5 units supported

Magnetic Field Converter

Convert between Tesla, Gauss, and Oersted.

4 units supported

Magnetic Flux Density Converter

Convert between Weber, Maxwell, and Tesla.

4 units supported

Radiation Converter

Convert between radiation dose units like Gray, Sievert, and rem.

6 units supported

Resistance & Conductance Converter

Convert between Ohms, Siemens, and related electrical units.

5 units supported

Surface Tension & Heat Flux Converter

Convert surface tension and heat flux units.

4 units supported