Unit converters
100 quantities, 1044 units. Every converter shows your value in every unit of its kind at once, not just the one you picked.
Unit definitions →
1044 unitsEvery unit on its own page — what it measures, its symbol, where it came from, and what one of it equals in its kin.
Straight to a conversion — 824 named pairs
mm → inin → mmc → ff → ckg → lblb → kgl → galgal → lpsi → kpakpa → psigpm → lminkmh → mphLength, area & volume
- Area · 24 units · m²
- Area moment of inertia · 7 units · m⁴
- Length · 41 units · m
- Section modulus · 7 units · m³
- Volume · 34 units · m³
Mass, density & flow
- Density · 16 units · kg/m³
- Linear mass density · 12 units · kg/m
- Mass · 29 units · kg
- Mass flow rate · 20 units · kg/s
- Molar volume · 8 units · m³/mol
- Unit weight · 8 units · N/m³
- Volumetric flow rate · 23 units · m³/s
Time, speed & motion
- Acceleration · 11 units · m/s²
- Angle · 14 units · rad
- Angular acceleration · 8 units · rad/s²
- Angular speed · 11 units · rad/s
- Diffusivity · 13 units · m²/s
- Frequency · 17 units · Hz
- Speed · 23 units · m/s
- Time · 22 units · s
Force, pressure & mechanics
- Angular momentum · 10 units · kg·m²/s
- Force · 15 units · N
- Moment of inertia · 12 units · kg·m²
- Momentum · 12 units · kg·m/s
- Pressure · 25 units · Pa
- Spring constant · 12 units · N/m
- Surface tension · 10 units · N/m
- Torque · 14 units · N·m
Energy & power
- Energy · 36 units · J
- Heat capacity · 12 units · J/K
- Molar energy · 10 units · J/mol
- Power · 21 units · W
Heat & temperature
- Areal thermal resistance · 9 units · m²·K/W
- Heat transfer coefficient · 8 units · W/(m²·K)
- Humidity ratio · 8 units · kg/kg
- Specific heat capacity · 10 units · J/(kg·K)
- Specific latent heat · 10 units · J/kg
- Temperature · 11 units · K
- Temperature difference · 8 units · K
- Thermal conductance · 10 units · W/K
- Thermal conductivity · 9 units · W/(m·K)
- Thermal expansion coefficient · 10 units · 1/K
- Thermal resistance · 8 units · K/W
Electricity & magnetism
- Capacitance · 8 units · F
- Electric charge · 12 units · C
- Electric current · 8 units · A
- Electrical conductance · 8 units · S
- Electrical conductivity · 10 units · S/m
- Electrical resistivity · 10 units · Ω·m
- Inductance · 5 units · H
- Magnetic flux · 6 units · Wb
- Magnetic flux density · 9 units · T
- Magnetic moment · 7 units · J/T
- Molar charge · 4 units · C/mol
- Resistance · 8 units · Ω
- Voltage · 8 units · V
Chemistry
- Amount of substance · 9 units · mol
- Concentration · 16 units · %
- Molal constant · 5 units · K·kg/mol
- Molality · 8 units · mol/kg
- Molar concentration · 10 units · mol/m³
- Molar entropy · 8 units · J/(mol·K)
- Molar mass · 7 units · kg/mol
- Number density · 9 units · m⁻³
Light, sound & radiation
- Intensity · 10 units · W/m²
- Optical power · 3 units · dpt
- Radioactivity · 16 units · Bq
- Sound level · 3 units · dB
- Wavenumber · 10 units · m⁻¹
Fluids & other
- Corrosion rate · 6 units · m/yr
- Count · 1 units
- Dimensionless · 8 units · —
- Dynamic viscosity · 12 units · Pa·s
- Standard gravitational parameter · 5 units · m³/s²
Other
- Area per time · 5 units · m²/s
- Beer colour · 2 units · SRM
- Cost per area · 4 units · $/m²
- Cost per energy · 8 units · $/J
- Cost per mass · 8 units · $/kg
- Cost per volume · 11 units · $/m³
- Current density · 6 units · A/m²
- Electric field strength · 9 units · V/m
- Energy per area · 6 units · J/m²
- Energy per length · 4 units · J/m
- Energy per volume · 7 units · J/m³
- Fracture toughness · 4 units · Pa·√m
- Information · 14 units · bit
- Mass concentration · 8 units · kg/m³
- Mass flux · 6 units · kg/(m²·s)
- Mass per area · 10 units · kg/m²
- Money · 1 units · $
- Number per area · 5 units · m⁻²
- Photon flux density · 3 units · mol/(m²·s)
- Photon integral · 2 units · mol/m²
- Power per length · 5 units · W/m
- Slope · 6 units
- Specific energy · 8 units · J/kg
- Strain · 6 units
- Unitless · 1 units
- Volume per area · 8 units · m³/m²