Unit Converter › Frequency
scale · base hertz
Frequency converter
Hertz, kilohertz, megahertz and RPM. 5 units, every one shown at once.
Convert
scale · base hertz
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| Every unit at once | Value | Unit |
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rpm is per minute
6,000 rpm is 100 Hz, not 6,000 Hz. The factor of 60 catches people comparing engine speed to signal frequency.
Other categories
Mass
Kilograms, pounds, stone, ounces and both tons.
Temperature
Celsius, Fahrenheit, kelvin and Rankine.
Length
Metric, imperial, and the nautical mile.
Volume
Litres, and US and Imperial measures kept apart.
Speed
km/h, mph, knots and metres per second.
Energy
Joules, calories, watt-hours and BTU.
Area
Square metres, feet, acres and hectares.
Time
Seconds through years, with the year defined.
Data
Decimal MB and binary MiB, kept apart.
Data rate
Megabits per second versus megabytes per second.
Pressure
Bar, psi, atmospheres and millimetres of mercury.
Power
Watts, and the two different horsepowers.
Angle
Degrees, radians, gradians and turns.
Force
Newtons, kilogram-force and pounds-force.
Torque
Newton-metres and pound-feet.
Fuel economy
mpg and L/100 km — where bigger means worse.
Density
kg/m³, g/cm³ and pounds per cubic foot.
Cooking
Spoons and cups, with the country stated.
Illuminance
Lux and foot-candles.