Units of Measurement List with unit name, physical (base/derived) quantity, check SI units to measure physical quantities like length, mass, temperature, pressure etc.
Units of Measurement List with unit name, physical (base/derived) quantity, check SI units to measure physical quantities. Units of measurement are standardized quantities used to express the magnitude of physical or derived quantities. These units provide a common language for scientists, engineers, and everyday people to communicate and make accurate measurements.
There are various systems of units used around the world, but two of the most common ones are the International System of Units (SI) and the Imperial system.
Units of Measurement List
| Standard Unit of Measurement |
Physical (Base/Derived) Quantity |
| Meter (m) |
Length/Distance |
| Kilometer (km) |
Length/Distance |
| Centimeter (cm) |
Length/Distance |
| Millimeter (mm) |
Length/Distance |
| Inch (in) |
Length/Distance |
| Foot (ft) |
Length/Distance |
| Yard (yd) |
Length/Distance |
| Mile (mi) |
Length/Distance |
| Nautical mile (nmi) |
Length/Distance |
| Square meter (m²) |
Area |
| Square kilometer (km²) |
Area |
| Square centimeter (cm²) |
Area |
| Square millimeter (mm²) |
Area |
| Square inch (in²) |
Area |
| Square foot (ft²) |
Area |
| Acre (ac) |
Area |
| Hectare (ha) |
Area |
| Liter (L) or (l) |
Volume/Capacity |
| Milliliter (mL) |
Volume/Capacity |
| Cubic meter (m³) |
Volume/Capacity |
| Cubic centimeter (cm³) or (cc) |
Volume/Capacity |
| Cubic inch (in³) |
Volume/Capacity |
| Gallon (gal) |
Volume/Capacity |
| Quart (qt) |
Volume/Capacity |
| Pint (pt) |
Volume/Capacity |
| Fluid ounce (fl oz) |
Volume/Capacity |
| Kilogram (kg) |
Weight/Mass |
| Gram (g) |
Weight/Mass |
| Milligram (mg) |
Weight/Mass |
| Ton (metric ton or tonne, t) |
Weight/Mass |
| Pound (lb) |
Weight/Mass |
| Ounce (oz) |
Weight/Mass |
| Second (s) |
Time |
| Minute (min) |
Time |
| Hour (h) |
Time |
| Day (d) |
Time |
| Week (wk) |
Time |
| Month (mo) |
Time |
| Year (yr) |
Time |
| Celsius (°C) |
Temperature |
| Fahrenheit (°F) |
Temperature |
| Kelvin (K) |
Temperature |
| Meters per second (m/s) |
Speed |
| Kilometers per hour (km/h) |
Speed |
| Miles per hour (mph) |
Speed |
| Knot (nautical mile per hour) |
Speed |
| Pascal (Pa) |
Pressure |
| Atmosphere (atm) |
Pressure |
| Bar (bar) |
Pressure |
| Millimeter of mercury (mmHg) |
Pressure |
| Pound per square inch (psi) |
Pressure |
| Joule (J) |
Energy/Work |
| Kilowatt-hour (kWh) |
Energy/Work |
| Calorie (cal) |
Energy/Work |
| British Thermal Unit (BTU) |
Energy/Work |
| Watt (W) |
Power |
| Kilowatt (kW) |
Power |
| Horsepower (hp) |
Power |
| Ampere (A) |
Electric Current |
| Volt (V) |
Electric Voltage/Potential Difference |
| Hertz (Hz) |
Frequency |
| Bit (b) |
Data Storage |
| Byte (B) |
Data Storage |
| Kilobyte (KB) |
Data Storage |
| Megabyte (MB) |
Data Storage |
| Gigabyte (GB) |
Data Storage |
| Terabyte (TB) |
Data Storage |
| Petabyte (PB) |
Data Storage |
What is a Physical Quantity
A physical quantity is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed as a value, which is the algebraic multiplication of a numerical value and a unit of measurement. For example, the physical quantity mass, symbol m, can be quantified as m=n kg, where n is the numerical value and kg is the unit symbol (for kilogram).
Base Quantities
Length, Time, Mass, Thermodyanamic temperature, Amount of substance, Electric Current and Luminous Intensity are base quantities.
Derived Quantity
Derived quantities are those whose definitions are based on other physical quantities (base quantities). Some of the names of derived quantities are volume, area, wavelength, pressure, frequency among others.
