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Engineering Converters

Browse engineering unit converters for mechanical, fluid, thermal, structural, electrical, and general engineering measurements. Choose a group below to jump to the converter category you need.

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Mechanical Engineering Converters

Common converters for force, torque, power, work, motion, and rotational measurements.

10 converters
Force Converter Convert newtons, pounds-force, kilograms-force, dynes, and kip force. Torque Converter Convert N·m, lb-ft, lb-in, oz-in, kgf·m, and dyn·cm. Power Converter Convert watts, kilowatts, horsepower, BTU/hr, and ft-lb/s. Energy Converter Convert joules, kilojoules, calories, BTU, watt-hours, and foot-pounds. Work Converter Convert work units including joules, N·m, foot-pounds, and BTU. Velocity Converter Convert m/s, ft/s, mph, km/h, knots, and inches per second. Acceleration Converter Convert m/s², ft/s², g-force, Gal, and inches per second squared. Angular Velocity Converter Convert rad/s, rpm, degrees/s, revolutions/s, and hertz. Angular Acceleration Converter Convert rad/s², deg/s², rpm/s, and revolutions per second squared. Moment Converter Convert moment units used in mechanics and structural calculations.

Fluid Engineering Converters

Useful converters for pressure, flow, viscosity, density, and fluid movement.

10 converters
Pressure Converter Convert pascals, kPa, MPa, bar, psi, atm, torr, and inches of water. Volumetric Flow Rate Converter Convert GPM, LPM, CFM, m³/s, ft³/s, and gallons per hour. Mass Flow Rate Converter Convert kg/s, lb/hr, lb/min, g/s, and tons per hour. Density Converter Convert kg/m³, lb/ft³, g/cm³, lb/in³, and specific gravity style units. Specific Volume Converter Convert m³/kg, ft³/lb, L/kg, and other volume-per-mass units. Dynamic Viscosity Converter Convert Pa·s, cP, P, lb/ft·s, and slug/ft·s. Kinematic Viscosity Converter Convert m²/s, cSt, St, ft²/s, and in²/s. Fluid Velocity Converter Convert pipe and channel velocity units such as ft/s, m/s, and in/s. Permeability Converter Convert darcy, millidarcy, m², and common permeability units. Surface Tension Converter Convert N/m, dyn/cm, mN/m, and lbf/in.

Thermal Engineering Converters

Converters for heat transfer, thermal properties, heat energy, and temperature gradients.

8 converters
Thermal Conductivity Converter Convert W/m·K, BTU/hr·ft·°F, cal/s·cm·°C, and more. Heat Transfer Coefficient Converter Convert W/m²·K, BTU/hr·ft²·°F, and related heat transfer units. Specific Heat Converter Convert J/kg·K, kJ/kg·K, BTU/lb·°F, and cal/g·°C. Heat Flux Converter Convert W/m², BTU/hr·ft², cal/s·cm², and related units. Thermal Resistance Converter Convert K/W, °F·hr/BTU, and insulation resistance units. Thermal Expansion Converter Convert expansion coefficients per °C, per °F, and per K. Temperature Gradient Converter Convert °C/m, °F/ft, K/m, and related gradient units. Energy Density Converter Convert J/m³, BTU/ft³, Wh/L, MJ/kg, and other energy density units.

Structural Engineering Converters

Converters for stress, strain, section properties, modulus values, and structural design units.

9 converters
Stress Converter Convert Pa, kPa, MPa, GPa, psi, ksi, and lb/ft². Strain Converter Convert strain, microstrain, percent strain, and mm/mm. Young’s Modulus Converter Convert Pa, MPa, GPa, psi, ksi, and Msi modulus values. Shear Modulus Converter Convert shear modulus units used for material stiffness. Bulk Modulus Converter Convert bulk modulus pressure units for compressibility calculations. Bending Moment Converter Convert N·m, kN·m, lb-ft, kip-ft, lb-in, and kip-in. Section Modulus Converter Convert in³, ft³, mm³, cm³, and m³ section modulus units. Moment of Inertia Converter Convert in⁴, ft⁴, mm⁴, cm⁴, and m⁴ area moment units. Load Converter Convert point load and distributed load units such as lb, kip, N, and kN.

Electrical Engineering Converters

Converters for electrical properties, circuit units, frequency, and wave measurements.

7 converters
Electrical Resistance Converter Convert ohms, milliohms, kiloohms, megaohms, and related resistance units. Electrical Conductance Converter Convert siemens, millisiemens, microsiemens, and mhos. Electrical Resistivity Converter Convert ohm-meter, ohm-centimeter, and circular mil-ohm/ft units. Electrical Conductivity Converter Convert S/m, mS/m, µS/cm, and conductivity units. Capacitance Converter Convert farads, millifarads, microfarads, nanofarads, and picofarads. Inductance Converter Convert henrys, millihenrys, microhenrys, and nanohenrys. Frequency Converter Convert hertz, kilohertz, megahertz, gigahertz, rpm, and rad/s.

General Engineering Converters

Core measurement converters used across many engineering fields.

6 converters
Mass Converter Convert grams, kilograms, pounds, ounces, tons, slugs, and metric tons. Length Converter Convert inches, feet, yards, miles, millimeters, centimeters, and meters. Area Converter Convert square inches, square feet, square meters, acres, and hectares. Volume Converter Convert liters, gallons, cubic feet, cubic inches, and cubic meters. Angle Converter Convert degrees, radians, gradians, revolutions, minutes, and seconds of arc. Wavelength Converter Convert meters, centimeters, millimeters, micrometers, nanometers, and frequency-based wavelength units.

About Engineering Converters

Engineering converters help change technical measurements from one unit to another across mechanical, fluid, thermal, structural, electrical, and general engineering fields. These tools are useful for students, technicians, engineers, contractors, builders, designers, and anyone working with formulas, specifications, project estimates, or technical unit conversions.

Common Uses

  • Convert force, torque, power, energy, work, velocity, and acceleration units.
  • Convert pressure, density, flow rate, viscosity, fluid velocity, and surface tension units.
  • Convert thermal conductivity, heat transfer coefficient, specific heat, and heat flux units.
  • Convert stress, strain, modulus, bending moment, and section property units.
  • Convert resistance, conductance, resistivity, conductivity, capacitance, and inductance units.
  • Convert frequency, wavelength, mass, length, area, volume, and angle measurements.
  • Compare imperial and metric engineering values during design or estimating work.
  • Check unit compatibility before using engineering formulas or technical references.

Engineering Converter FAQ

What are engineering converters used for?

Engineering converters are used to convert technical units such as newtons to pounds-force, psi to pascals, BTU/hr to watts, lb-ft to N·m, or MPa to psi. They help make engineering values easier to compare, calculate, and apply.

Are engineering converters the same as engineering calculators?

No. A converter changes one unit into another, while a calculator usually solves a formula. For example, a force converter changes newtons into pounds-force, while a force calculator may solve force from mass and acceleration.

Why are engineering converters grouped by category?

Grouping converters by mechanical, fluid, thermal, structural, electrical, and general use makes it easier to find the correct tool based on the type of measurement you are working with.

Should I use engineering converters or construction converters?

Use engineering converters for technical units such as force, torque, pressure, heat transfer, stress, modulus, electrical properties, and flow. Use construction converters for jobsite-focused units such as concrete volume, board feet, roofing squares, pipe sizes, wire gauge, rebar sizes, and slope or pitch conversions.

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