Unit Converter
Convert across length, weight, temperature, volume, area, speed, time, data, energy, pressure. Real-time as you type. Full reference grid showing every equivalent value at once.
Instant
Private
Works offline
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1 = 1
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All conversions
from 1 mWhy this converter
Most converters force you through a multi-step flow: pick category, type value, pick units, hit convert. This one shows you all 200+ conversions at once. Type a value, pick a category, the full grid updates live. Click any tile to make it the target unit. Done.
Categories covered
- Length: nm, µm, mm, cm, m, km, in, ft, yd, mi, nautical mile, light year, AU, parsec.
- Weight: mg, g, kg, t, oz, lb, st, US ton, UK ton, carat.
- Temperature: Celsius, Fahrenheit, Kelvin, Rankine.
- Volume: ml, L, m³, US tsp/tbsp/cup/pt/qt/gal, UK gal.
- Area: mm², cm², m², ha, km², in², ft², yd², acre, mi².
- Speed: m/s, km/h, mph, ft/s, knot, mach.
- Time: ns, µs, ms, s, min, h, day, week, month, year.
- Data: bit, B, KB, KiB, MB, MiB, GB, GiB, TB, TiB, PB.
- Energy: J, kJ, cal, kcal, Wh, kWh, eV, BTU.
- Pressure: Pa, kPa, MPa, bar, atm, PSI, mmHg, inHg.
Tips
- Type freely with commas (1,234.5 works) and scientific notation (1e6 works).
- Click any tile in the reference grid to switch the target unit instantly.
- Hit the swap button to flip the conversion direction.
- Cmd or Ctrl + Enter copies the result.