Conversion
tools and calculators.
44 practical tools with clear inputs and explanations. Choose a tool below, or explore a role-based toolbox for a collection that fits your day.
Length converter
Metres, feet, inches and everything in between.
Temperature converter
From oven settings to the weather on your next trip.
Weight converter
Grams to ounces. Kilograms to pounds. A weight off your mind.
2D polar & Cartesian converter
Convert planar coordinates while keeping angle and zero-radius conventions explicit.
Acceleration converter
Convert metres per second squared, standard gravity, feet and Gal.
Angular velocity converter
Translate RPM, revolutions per second, radians and degrees per second.
Volumetric flow converter
Convert liquid or gas volume rates, including L/min, CFM and gallons per minute.
Mass flow converter
Convert kg/h, g/s, tonnes per hour and pounds per minute.
Dynamic viscosity converter
Convert centipoise, poise, Pa·s and pound-mass viscosity units.
Kinematic viscosity converter
Convert centistokes, stokes and square length per second units.
Surface tension converter
Translate N/m, mN/m, dyn/cm and force per length.
Electric current converter
Convert amps, milliamps, microamps and nanoamps.
Electric charge converter
Convert coulombs, amp-hours, milliamp-hours and elementary charges.
Voltage converter
Convert volts, millivolts, microvolts, kilovolts and megavolts.
Electrical resistance converter
Translate ohms, milliohms, microohms, kilohms and megohms.
Electrical conductance converter
Convert siemens, millisiemens, microsiemens and mhos.
Capacitance converter
Convert farads, millifarads, microfarads, nanofarads and picofarads.
Inductance converter
Translate henries, millihenries, microhenries and nanohenries.
Magnetic flux converter
Convert webers, milliwebers, microwebers and maxwells.
Magnetic flux density converter
Translate tesla, millitesla, microtesla, nanotesla and gauss.
Illuminance converter
Convert lux, footcandles, kilolux, millilux and phot.
Luminance converter
Convert nits, candela per square metre, footlamberts and stilb.
Specific energy converter
Translate joules per kilogram, watt-hours per kilogram and BTU per pound.
Specific heat capacity converter
Convert J/(kg·K), kJ/(kg·K), calories per gram and BTU heat capacity units.
Thermal conductivity converter
Convert W/(m·K), milliwatts, BTU and calorie thermal conductivity units.
Thermal resistance converter
Convert K/W, degrees Celsius per watt and degrees Fahrenheit per BTU/hour.
Molar concentration converter
Convert mol/L, mmol/L, micromoles per litre and mol/m³.
Amount of substance converter
Convert moles, millimoles, micromoles, nanomoles and picomoles.
Frequency converter
Convert frequency units with clearly labelled standards.
Data transfer rate converter
Convert data transfer rate units with clearly labelled standards.
Density converter
Convert density units with clearly labelled standards.
Force converter
Convert force units with clearly labelled standards.
Torque converter
Convert torque units with clearly labelled standards.
Area converter
Convert area units with clearly labelled standards.
Volume converter
Convert volume units with clearly labelled standards.
Speed converter
Convert speed units with clearly labelled standards.
Time unit converter
Convert time unit units with clearly labelled standards.
Digital storage converter
Convert digital storage units with clearly labelled standards.
Angle converter
Convert angle units with clearly labelled standards.
Pressure converter
Convert pressure units with clearly labelled standards.
Energy converter
Convert energy units with clearly labelled standards.
Power converter
Convert power units with clearly labelled standards.
Fuel economy converter
Switch between mpg, litres per 100 km and km per litre.
File transfer time estimate
Estimate a transfer duration from file size, link rate and achieved efficiency.