Symbol
Unit Name
Explanation
Meter
SI base unit of length
Kilogram
SI base unit of mass
Second
SI base unit of time
Ampere
SI base unit of electric current
Kelvin
SI base unit of thermodynamic temperature
Mole
SI base unit of amount of substance
Candela
SI base unit of luminous intensity
Kilometer
Length unit, 1km = 1000m
Centimeter
Length unit, 1cm = 0.01m
Millimeter
Length unit, 1mm = 0.001m
Micrometer
Length unit, 1μm = 10⁻⁶m
Gram
Mass unit, 1g = 0.001kg
Milligram
Mass unit, 1mg = 10⁻⁶kg
Minute
Time unit, 1min = 60s
Hour
Time unit, 1h = 3600s
Liter
Volume unit, 1L = 1dm³ = 0.001m³
Milliliter
Volume unit, 1mL = 1cm³ = 10⁻⁶m³
Hertz
Frequency unit, 1Hz = 1/s
Newton
Force unit, 1N = 1kg·m/s²
Pascal
Pressure unit, 1Pa = 1N/m²
Joule
Energy/work unit, 1J = 1N·m
Watt
Power unit, 1W = 1J/s
Coulomb
Electric charge unit, 1C = 1A·s
Volt
Voltage unit, 1V = 1W/A
Ohm
Resistance unit, 1Ω = 1V/A
Meter per second
Velocity unit
Meter per square second
Acceleration unit
Kilogram per cubic meter
Density unit
Celsius
Celsius temperature unit, 0°C = 273.15K
Radian
SI unit of plane angle