UnitGrid is a one-time-purchase, fully offline converter for students, electricians, renovation and travel. Type a number to see every unit in that category at once; tap a result to refill and keep converting. Reorder the sidebar; last category, unit and input are remembered. 33 categories:
Length: km to nm; mile, foot, inch, nautical mile; li, zhang, chi, cun
Mass: tonne, kg, g; lb, oz, carat, stone; dan, jin, liang, qian
Area: km², hectare, m²; acre; qing, mu
Volume: liter, mL, m³; US/UK gallon, quart, pint; dou, sheng
Temperature: °C, °F, K, °R
Speed: m/s, km/h, mph, knot, Mach
Data storage: KB/MB/GB (1000) vs KiB/MiB/GiB (1024)
Time: century and year to nanosecond
Pressure: Pa, bar, atm, mercury, water column, psi
Power: W, kW; mechanical/metric hp; BTU/h
Energy: J, kWh, kcal, cal, BTU, eV
Density: kg/m³, g/cm³, lb/ft³
Angle: degree, radian, arcmin, arcsec, mil
Force: N, kgf, lbf
Illuminance: lux, foot-candle
Resistance: mΩ to MΩ
Voltage: mV to MV
Current: µA to MA
Frequency: Hz to THz
Conductance: S, mS, µS
Capacitance: pF to F
Inductance: nH to H
Acceleration: m/s², ft/s², g
Torque: N·m, lbf·ft, lbf·in
Flow: m³/h, L/min, gal/min
Data rate: bit/s to Gbit/s, KB/s, MB/s
Fuel economy: L/100km; US/UK mpg
Charge: C, Ah, mAh
Angular velocity: rad/s, °/s, rpm, rps
Mass flow: kg/s, t/h, lb/s
Luminous flux: lm, klm, mlm
Luminous intensity: cd, kcd, mcd
Luminance: cd/m², foot-lambert
Buy once, updates free. No ads, no subscription, no tracking. Dark interface, 28 languages. Results are for reference only, not certified metrology. Chinese store name: 单位换算.
