Industrial & Trades Calculators
22 tools, each with formula and worked examples
Pressure, torque, energy, electrical, and industrial unit converters.
Unit Converters· 21
Pressure Converter
Convert between PSI, bar, kPa, MPa, atmospheres, torr, and inches of mercury. Free online pressure unit conver…
Torque Converter
Convert torque units: Nm to ft-lbs, kgf-cm to Nm, kip-ft to kNm. Free calculator for automotive repair and eng…
Energy Converter
Convert between joules, calories, kilowatt-hours, BTUs, electronvolts, and more. Free online energy unit conve…
Power Converter
Convert between watts, horsepower (mechanical, electric, metric), BTU per hour, and more. Free online power un…
Force Converter
Convert force units: newtons to lbf, kgf to N, kips to kN, dynes to pounds. Free calculator for structural eng…
Density Converter
Convert between kg/m³, g/cm³, lb/ft³, lb/in³, specific gravity, and more. Free online density unit converter f…
Angle Converter
Convert between degrees, radians, gradians, arcminutes, arcseconds, milliradians, and turns. Free online calcu…
Frequency Converter
Convert between hertz, kilohertz, megahertz, gigahertz, RPM, radians per second, and BPM. Free online frequenc…
Fuel Economy Converter
Convert between miles per gallon (US/UK), liters per 100 km, km per liter, and gallons per 100 miles. Free onl…
Hardness Converter
Convert between Rockwell (HRC, HRB, HRA), Brinell (HBW), Vickers (HV), and Shore hardness scales per ASTM E140…
Viscosity Converter
Convert between pascal-seconds, poise, centipoise, stokes, centistokes, and more. Free online viscosity unit c…
Electrical Converter
Convert between volts, amps, ohms, farads, henries, siemens, and coulombs with metric prefixes. Free, instant,…
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly. Free online temperature converter for cook…
Length Converter
Convert between meters, feet, inches, centimeters, kilometers, miles, nautical miles, and more. Free, instant,…
Weight Converter
Convert between kilograms, pounds, ounces, stone, metric tonnes, and US tons. Free online weight converter for…
Volume Converter
Convert between liters, gallons, cups, fluid ounces, cubic meters, cubic feet, and more. Free online calculato…
Speed Converter
Convert between km/h, mph, knots, meters per second, Mach number, and the speed of light. Free online calculat…
Area Converter
Convert between square meters, square feet, acres, hectares, square kilometers, square miles, and more. Free, …
Data Storage Converter
Convert between bytes, kilobytes, megabytes, gigabytes, terabytes, kibibytes, mebibytes, and more. Free, insta…
Cooking Converter
Convert between cups, tablespoons, teaspoons, milliliters, fluid ounces, pints, quarts, gallons, and water-wei…
Oven Temperature Converter — °C,
Convert oven temperatures between Celsius, Fahrenheit, and Gas Mark instantly. Includes common oven temperatur…