SettingsSI derived units
Ampere-meter
The ampere-metre which has the symbol A m, A-m, or A·m is the SI unit for pole strength in a magnet.
The ampere-metre which has the symbol A m, A-m, or A·m is the SI unit for pole strength in a magnet.
Becquerel
The becquerel (symbol Bq) is the SI-derived unit of radioactivity.
The becquerel (symbol Bq) is the SI-derived unit of radioactivity.
Candela per square metre
The candela per square metre is the derived SI unit of luminance.
The candela per square metre is the derived SI unit of luminance.
Centimetre
A centimetre is a unit of length in the metric system, equal to one hundredth of a metre, which is the SI base unit of length.
A centimetre is a unit of length in the metric system, equal to one hundredth of a metre, which is the SI base unit of length.
Coulomb
The coulomb is the SI derived unit of electric charge.
The coulomb is the SI derived unit of electric charge.
Cubic centimetre
A cubic centimetre (or cubic centimeter in US English) (SI unit symbol: cm3; non-SI abbreviations: cc and ccm) is a commonly used unit of volume extending the deriv...
A cubic centimetre (or cubic centimeter in US English) (SI unit symbol: cm3; non-SI abbreviations: cc and ccm) is a commonly used unit of volume extending the deriv...
Cubic metre per second
A cubic metre per second is a derived SI unit of flow rate equal to that of a stere or cube with sides of one metre in length exchanged or moving each second.
A cubic metre per second is a derived SI unit of flow rate equal to that of a stere or cube with sides of one metre in length exchanged or moving each second.
Defining equation (physical chemistry)
In physical chemistry, there are numerous quantities associated with chemical compounds and reactions; notably in terms of amounts of substance, activity or concentration of a substa...
In physical chemistry, there are numerous quantities associated with chemical compounds and reactions; notably in terms of amounts of substance, activity or concentration of a substa...
Defining equation (physics)
In physics, defining equations are equations that define new quantities in terms of base quantities.
In physics, defining equations are equations that define new quantities in terms of base quantities.
Gray (unit)
The gray is the SI derived unit of absorbed dose, specific energy and of kerma.
The gray is the SI derived unit of absorbed dose, specific energy and of kerma.
Hertz
The hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon.
The hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon.
Joule
The joule; symbol J is a derived unit of energy or work in the International System of Units.
The joule; symbol J is a derived unit of energy or work in the International System of Units.
Joule per mole
The joule per mole (symbol: J·mol−1) is an SI derived unit of energy per amount of material.
The joule per mole (symbol: J·mol−1) is an SI derived unit of energy per amount of material.
Joule-second
The joule-second is a unit equal to a joule multiplied by a second, used to measure action or angular momentum.
The joule-second is a unit equal to a joule multiplied by a second, used to measure action or angular momentum.
Katal
The katal is the SI unit of catalytic activity.
The katal is the SI unit of catalytic activity.
Kilogram per cubic metre
Kilogram per cubic metre is an SI derived unit of density, defined by mass in kilograms divided by volume in cubic metres.
Kilogram per cubic metre is an SI derived unit of density, defined by mass in kilograms divided by volume in cubic metres.
Lumen (unit)
The lumen is the SI derived unit of luminous flux, a measure of the total "amount" of visible light emitted by a source.
The lumen is the SI derived unit of luminous flux, a measure of the total "amount" of visible light emitted by a source.
Lux
The lux is the SI unit of illuminance and luminous emittance, measuring luminous flux per unit area.
The lux is the SI unit of illuminance and luminous emittance, measuring luminous flux per unit area.
Metre per second squared
The metre (or meter) per second squared is the unit of acceleration in the International System of Units (SI).
The metre (or meter) per second squared is the unit of acceleration in the International System of Units (SI).
Metre squared per second
Metres squared per second is the SI derived unit of angular momentum, defined by distance or displacement in metres multiplied by distance again in metres and divided by time in seconds.
Metres squared per second is the SI derived unit of angular momentum, defined by distance or displacement in metres multiplied by distance again in metres and divided by time in seconds.
Microgram
In the metric system, a microgram is a unit of mass equal to one millionth of a gram, or 1/1000 of a milligram.
In the metric system, a microgram is a unit of mass equal to one millionth of a gram, or 1/1000 of a milligram.
Milliohm
The ohm (symbol: Ω) is the SI unit of electrical resistance, named after Georg Simon Ohm.
The ohm (symbol: Ω) is the SI unit of electrical resistance, named after Georg Simon Ohm.
Newton metre
A newton metre is a unit of torque in the SI system.
A newton metre is a unit of torque in the SI system.
Newton-second
The newton-second or newton second (symbol N s or N·s) is the derived SI unit of impulse and momentum.
The newton-second or newton second (symbol N s or N·s) is the derived SI unit of impulse and momentum.
Ohm
The ohm is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.
The ohm is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.
Pascal (unit)
The pascal is the SI derived unit of pressure, internal pressure, stress, Young's modulus and tensile strength, named after the French mathematician, physicist, inventor, writer, and philosophe...
The pascal is the SI derived unit of pressure, internal pressure, stress, Young's modulus and tensile strength, named after the French mathematician, physicist, inventor, writer, and philosophe...
Radian per second
The radian per second (symbol: rad·s−1 or rad/s) is the SI unit of angular velocity, commonly denoted by the Greek letter ω (omega).
The radian per second (symbol: rad·s−1 or rad/s) is the SI unit of angular velocity, commonly denoted by the Greek letter ω (omega).
Radian per second squared
The radian per second squared (symbol: rad/s²) is the SI unit of angular acceleration.
The radian per second squared (symbol: rad/s²) is the SI unit of angular acceleration.
SI derived unit
These other units are called SI derived units, for example, the SI derived unit of area is square metre (m2), and of density is kilograms per cubic metre (kg/m3).
These other units are called SI derived units, for example, the SI derived unit of area is square metre (m2), and of density is kilograms per cubic metre (kg/m3).
Siemens (unit)
The siemens (symbol: S) is the unit of electric conductance and electric admittance in the International System of Units (SI).
The siemens (symbol: S) is the unit of electric conductance and electric admittance in the International System of Units (SI).
Sievert
The sievert is the International System of Units derived unit of equivalent radiation dose, effective dose, and committed dose.
The sievert is the International System of Units derived unit of equivalent radiation dose, effective dose, and committed dose.
Square kilometre
Square kilometer, symbol km2, is a decimal multiple of the SI unit of surface area, the square metre, one of the SI derived units.
Square kilometer, symbol km2, is a decimal multiple of the SI unit of surface area, the square metre, one of the SI derived units.
Square metre
The square metre or square meter is the SI derived unit of area, with symbol m2.
The square metre or square meter is the SI derived unit of area, with symbol m2.
Tesla (unit)
The tesla is the SI derived unit of magnetic flux density, commonly denoted as B,.
The tesla is the SI derived unit of magnetic flux density, commonly denoted as B,.
Volt
The volt (symbol: V) is the SI derived unit for electric potential, electric potential difference, and electromotive force.
The volt (symbol: V) is the SI derived unit for electric potential, electric potential difference, and electromotive force.
Watt
The watt ( ; symbol: W) is a derived unit of power in the International System of Units (SI), named after the Scottish engineer James Watt (1736–1819).
The watt ( ; symbol: W) is a derived unit of power in the International System of Units (SI), named after the Scottish engineer James Watt (1736–1819).
Watt second
A watt-second is a derived unit of energy equivalent to the joule.
A watt-second is a derived unit of energy equivalent to the joule.
Watt-second
The joule ( or ); symbol J) is a derived unit of energy or work in the International System of Units.
The joule ( or ); symbol J) is a derived unit of energy or work in the International System of Units.
Weber (unit)
In physics, the weber (symbol: Wb;,, or ) is the SI unit of magnetic flux.
In physics, the weber (symbol: Wb;,, or ) is the SI unit of magnetic flux.