Unit converters
Works in your browser. Nothing is uploaded.Frequency converter
Hertz to kilohertz, megahertz and gigahertz, and revolutions per minute.
rpm
Hertz
–
1 rpm is one turn a minute, a sixtieth of a hertz.
- Hertz–
- Kilohertz–
- Megahertz–
- Gigahertz–
- Revolution per minute–
Unit converters
Trade unit converterFeet, inches and fractions, board feet, roofing squares.Volume converterGallons, litres, cubic feet and cupsWeight converterPounds, kilograms, ounces, stones and tonsTemperature converterFahrenheit, Celsius and KelvinSpeed convertermph, km/h, m/s and knotsTime converterSeconds, minutes, hours, days and weeksFuel economy convertermpg, L/100 km and km/LSlope converterDegrees, percent, 1 : n and pitchAngle converterDegrees, radians, gradians and DMSPressure converterpsi, bar, kPa and atmForce converterNewtons, kN, kgf and lbfTorque converterN·m, lbf·ft and lbf·inDensity converterkg/m³, g/cm³, lb/ft³ and lb/galFlow rate convertergpm, L/min, m³/h and cfmEnergy converterkWh, joules, calories and BTUPower converterhp, kW, W and BTU/hFrequency converterHz, kHz, MHz, GHz and rpmData storage converterMB, GB, TB, GiB and bitsLux and foot-candlesLux, kilolux and foot-candlesMagnetic field converterGauss, tesla, µT and mG
How to use it
- Type the value
The number you have, like 3000 for 3000 rpm.
- Pick its unit
Hz, kHz, MHz, GHz or rpm.
- Read or copy
Every other unit follows. Tap copy beside the one you need.
Tips
- Motors
A motor turning at 3000 rpm turns 50 times a second: 50 Hz.
- Mains
Mains power runs at 50 Hz or 60 Hz, depending on the country.
- Radio and Wi-Fi
Radio stations are in kHz and MHz; Wi-Fi works at about 2.4 and 5 GHz.
In the app
Unit converter in Angle Meter
- Every unit of a kind on one screen
- Typed conversions like 5′ 7 3/8″ to mm
- Pinned unit pairs and a conversion list
- Voice commands
Get it onGoogle PlayComing soon to the App Store
Unit converter guide ›