Unit Converter

Unit Converter is a practical measurement converter for everyday metric and imperial unit conversion. Convert 1,000+ units across 80+ categories, from length, weight, temperature, area and volume to engineering, scientific and technical measurements.

Built-in calculators and reference tools support related math, including a construction calculator for feet, inches and fractional inches.

Enter a value to see multiple conversion results instantly. Copy the result you need, save favorite converters and organize homepage shortcuts for faster access to the measurements you use most.

Everyday Metric and Imperial Conversions

Use this metric and imperial unit converter for common conversions at home, at work or while studying:

◾ Length and distance: meters, feet, inches, miles and kilometers

◾ Weight and mass: kilograms, pounds, ounces and tons

◾ Temperature: Celsius, Fahrenheit and Kelvin

◾ Area and volume: square meters, square feet, liters, milliliters, gallons and cubic units

◾ Time, speed, angle, frequency, pressure, force, energy, power, density and more

For construction and DIY projects, you can also work with mixed metric, imperial and fractional measurements.

Engineering Unit Converter

Go beyond everyday measurements with engineering and scientific units for mechanics, heat, fluids, electricity, magnetism, radiation, lighting and digital data. Convert pressure, torque, acceleration, viscosity, thermal conductivity, heat capacity, flow, electrical resistance, capacitance, inductance, magnetic flux, luminance, data storage and data transfer units in one app.

Fast Conversion Workflow

◾ See results update in real time as you type

◾ View multiple equivalent units from one value

◾ Copy conversion results quickly

◾ Save favorite converters and arrange homepage shortcuts

◾ Choose color themes and customize the interface

Calculators and Reference Tools

Use the built-in calculator for everyday math, plus useful tools for percentages, geometry, trigonometry, electronics, binary numbers, resistor values, volume and more. The app also includes scientific constants, reference tables and an on-screen ruler.

Construction Calculator

The construction calculator combines unit conversion with practical field calculations for builders, carpenters, woodworkers and DIY projects.

◾ Feet-inch fraction calculator for mixed-measurement arithmetic

◾ Roof pitch calculator and rafter calculator for rise, run, angle, slope and length

◾ Stair calculator for step height, tread depth and total run, with stringer layout

◾ Baluster spacing calculator and stud count calculator for layout work

◾ Board foot calculator for lumber quantity, volume and cost

◾ Miter calculator for flat miters and crown-molding saw settings

◾ Arc, circle, column, cone and right-triangle calculations

◾ Area, volume and material-weight calculations with alternate result units

Whether you are converting everyday measurements, checking engineering units or solving construction math, Unit Converter keeps essential conversion and calculator tools together in one customizable app.