Unit converters

Manufacturing unit converters.

Fast, exact two-way unit converters for manufacturing: mm to inches, psi to bar, Nm to ft-lb, GSM to oz/yd2, Celsius to Fahrenheit, and dozens more, each

Length converters

  • millimeters to inches: 1 mm = 0.03937 in
  • inches to millimeters: 1 in = 25.4 mm
  • centimeters to inches: 1 cm = 0.393701 in
  • inches to centimeters: 1 in = 2.54 cm
  • meters to feet: 1 m = 3.2808 ft
  • feet to meters: 1 ft = 0.3048 m
  • thousandths of an inch to millimeters: 1 thou = 0.0254 mm
  • millimeters to thousandths of an inch: 1 mm = 39.3701 thou
  • microns to thousandths of an inch: 1 um = 0.03937 thou
  • thousandths of an inch to microns: 1 thou = 25.4 um
  • yards to meters: 1 yd = 0.9144 m
  • meters to yards: 1 m = 1.0936 yd

Pressure converters

  • psi to bar: 1 psi = 0.068948 bar
  • bar to psi: 1 bar = 14.5038 psi
  • psi to kilopascals: 1 psi = 6.8948 kPa
  • kilopascals to psi: 1 kPa = 0.145038 psi
  • megapascals to psi: 1 MPa = 145.038 psi
  • psi to megapascals: 1 psi = 0.006895 MPa
  • bar to megapascals: 1 bar = 0.1 MPa
  • megapascals to bar: 1 MPa = 10 bar
  • atmospheres to psi: 1 atm = 14.6959 psi
  • psi to atmospheres: 1 psi = 0.068046 atm

Force converters

  • newtons to pounds-force: 1 N = 0.224809 lbf
  • pounds-force to newtons: 1 lbf = 4.4482 N
  • kilonewtons to pounds-force: 1 kN = 224.809 lbf
  • pounds-force to kilonewtons: 1 lbf = 0.004448 kN

Torque converters

  • newton-meters to foot-pounds: 1 Nm = 0.737562 ft-lb
  • foot-pounds to newton-meters: 1 ft-lb = 1.3558 Nm
  • newton-meters to inch-pounds: 1 Nm = 8.8507 in-lb
  • inch-pounds to newton-meters: 1 in-lb = 0.112985 Nm

Mass converters

  • kilograms to pounds: 1 kg = 2.2046 lb
  • pounds to kilograms: 1 lb = 0.453592 kg
  • grams to ounces: 1 g = 0.035274 oz
  • ounces to grams: 1 oz = 28.3495 g
  • metric tons to US tons: 1 t = 1.1023 ton
  • US tons to metric tons: 1 ton = 0.907185 t

Area converters

  • square millimeters to square inches: 1 mm2 = 0.00155 in2
  • square inches to square millimeters: 1 in2 = 645.16 mm2
  • square meters to square feet: 1 m2 = 10.7639 ft2
  • square feet to square meters: 1 ft2 = 0.092903 m2

Volume converters

  • liters to US gallons: 1 L = 0.264172 gal
  • US gallons to liters: 1 gal = 3.7854 L
  • cubic meters to cubic feet: 1 m3 = 35.3147 ft3
  • cubic feet to cubic meters: 1 ft3 = 0.028317 m3

Flow Rate converters

  • liters per minute to gallons per minute: 1 L/min = 0.264172 GPM
  • gallons per minute to liters per minute: 1 GPM = 3.7854 L/min
  • cubic meters per hour to cubic feet per minute: 1 m3/h = 0.588578 CFM
  • cubic feet per minute to cubic meters per hour: 1 CFM = 1.699 m3/h

Density converters

  • grams per cubic centimeter to pounds per cubic inch: 1 g/cm3 = 0.036127 lb/in3
  • pounds per cubic inch to grams per cubic centimeter: 1 lb/in3 = 27.6799 g/cm3
  • kilograms per cubic meter to pounds per cubic foot: 1 kg/m3 = 0.062428 lb/ft3
  • pounds per cubic foot to kilograms per cubic meter: 1 lb/ft3 = 16.0185 kg/m3

Speed converters

  • meters per minute to feet per minute: 1 m/min = 3.2808 SFM
  • feet per minute to meters per minute: 1 SFM = 0.3048 m/min
  • meters per second to feet per minute: 1 m/s = 196.85 ft/min
  • feet per minute to meters per second: 1 ft/min = 0.00508 m/s

Power converters

  • kilowatts to horsepower: 1 kW = 1.341 hp
  • horsepower to kilowatts: 1 hp = 0.7457 kW

Energy converters

  • kilowatt-hours to British thermal units: 1 kWh = 3412.14 BTU
  • British thermal units to kilowatt-hours: 1 BTU = 0.00029307 kWh

Angle converters

  • degrees to radians: 1 deg = 0.017453 rad
  • radians to degrees: 1 rad = 57.2958 deg

Basis Weight converters

  • grams per square meter to ounces per square yard: 1 GSM = 0.029494 oz/yd2
  • ounces per square yard to grams per square meter: 1 oz/yd2 = 33.9057 GSM

Temperature converters

  • Celsius to Fahrenheit: 1 C = 33.8 F
  • Fahrenheit to Celsius: 1 F = -17.2222 C
  • Celsius to Kelvin: 1 C = 274.15 K
  • Kelvin to Celsius: 1 K = -272.15 C

Last reviewed 2026-05-12.