Unit Converter: 735+ Units

Biddulph Apps

About this app

Convert the units you use every day—and the specialist ones other converters leave out.

Unit Converter brings 735 units across 85 categories into one fast, easy-to-use calculator. Convert metric and imperial measurements, scientific quantities, engineering values, digital storage and much more. Choose a category, select your units and type a value: the result updates instantly.

Built for everyday conversions:

• Length, area and volume
• Mass and weight
• Celsius, Fahrenheit, Kelvin and other temperature scales
• Speed, pace, time and angles
• Fuel consumption
• US and imperial measurements where they differ

Ready for technical work:

• Pressure, force, energy, power, torque and density
• Flow rate, frequency, acceleration and viscosity
• Electrical and magnetic quantities
• Heat, light, radiation and molar quantities
• Digital storage, data rates, resolution and typography
• Ratios, percentages and many more specialist categories

Helpful by design:

• Enter standard decimals or exponent notation such as 1e1000
• Work with extremely large and small numbers
• Switch between compact exponent and complete raw-number formats
• Copy the displayed result
• Swap units with one tap
• Follow your device's light or dark theme
• Use clear, responsive layouts on phones, tablets and resizable windows
• Navigate with TalkBack, larger text and display scaling

From kilometers to miles, kilograms to pounds, Celsius to Fahrenheit, bytes to quebibytes, or specialist engineering quantities, Unit Converter keeps every conversion clear and immediate.

What’s new

A major Unit Converter upgrade:
• 735 units across 85 everyday, scientific and engineering categories
• Support for extremely large and small numbers
• Enter values using exponent notation
• Switch exponent results to complete raw numbers for copying
• A cleaner, faster and fully responsive interface
• Improved dark mode, accessibility and large-screen support
• Performance, stability and dependency updates