QConvert

Convert length, weight, temperature, pressure, speed, torque, energy, and more — exact factors, instant results, engineering units included.

All Categories

14 categories of conversions — collectingly exhaustive practical + engineering units.

Convert length and distance units including meters, feet, inches, miles, and kilometers.

Convert mass and weight units including kilograms, pounds, ounces, grams, and tonnes.

Convert temperature units: Celsius, Fahrenheit, Kelvin, and Rankine.

Convert volume units including liters, gallons, milliliters, cups, cubic meters, and pints.

Convert area units including square meters, acres, hectares, square feet, and square miles.

Convert speed units including m/s, km/h, mph, knots, and ft/s.

Convert pressure and stress units: Pa, kPa, bar, psi, atm, mmHg, and engineering units.

Convert force units: newtons, kilonewtons, dynes, pound-force, kip, kgf, and ton-force.

Convert torque units: N·m, kN·m, lbf·ft, lbf·in, kgf·m, kgf·cm, and tf·m.

Convert density and unit weight units: kg/m³, g/cm³, lb/ft³, pcf, kN/m³, tf/m³.

Convert flow rate units: m³/s, m³/h, L/s, L/min, L/h, ft³/min (cfm), gal/min (gpm), gal/h.

Convert energy units: J, kJ, MJ, cal, kcal, Wh, kWh, BTU, therm, and eV.

Convert power units: W, kW, MW, hp, BTU/h, and ft·lbf/s.

Convert angle units: degree, radian, gon (grad), arcminute, and arcsecond.

Fast · static pages with one tiny converter island · Accurate · SI / BIPM factors · Engineering units — pressure, torque, density, flow.