Another Unit Converter

Another Unit Converter is a powerful, beautifully designed macOS app for fast and accurate unit conversions. Whether you're an engineer, scientist, student, or just need to convert everyday measurements, this app has you covered.

65 Converters Across 8 Categories

• Common — Length, Weight, Temperature, Volume, Area, Pressure, Energy, Time, Speed, Angle, Power, Force, Fuel Consumption, Data Storage, Dry Volume

• Engineering — Density, Acceleration, Torque, Angular Velocity, Angular Acceleration, Specific Volume, Moment of Inertia, Moment of Force

• Heat — Temperature Interval, Thermal Expansion, Thermal Resistance, Thermal Conductivity, Specific Heat Capacity, Heat Density, Heat Flux Density, Heat Transfer Coefficient

• Fluids — Flow Rate, Mass Flow, Molar Flow, Mass Flux Density, Molar Concentration, Dynamic Viscosity, Kinematic Viscosity, Surface Tension, Permeability

• Light — Luminance, Luminous Intensity, Illumination, Image Resolution, Frequency

• Electricity — Charge, Current, Electric Potential, Resistance, Conductance, Capacitance, Inductance, Electric Field Strength

• Magnetism — Magnetomotive Force, Magnetic Field Strength, Magnetic Flux, Magnetic Flux Density

• Radiology — Radiation Dose, Radiation Activity, Radiation Exposure, Equivalent Dose

Why Choose Another Unit Converter?

• Verified Accuracy — Every conversion factor checked against authoritative sources including NIST, CODATA, and IAU standards

• Real-Time Results — See conversions instantly as you type

• Scientific Precision — Results displayed to 6+ decimal places with automatic scientific notation for very large or small numbers

• Works Offline — No internet connection required

• Native macOS Experience — Built with SwiftUI for a fast, responsive interface that feels right at home on your Mac

• Keyboard Shortcuts — Quick actions for power users

• Favorites — Mark your most-used converters for easy access

• Dark Mode Support — Looks great in light and dark appearances

Specialized Conversion Engines

Temperature conversions handle the non-linear math between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur. Fuel consumption correctly handles the inverse relationship between MPG and L/100km. Data storage properly distinguishes SI decimal (KB, MB, GB) from IEC binary (KiB, MiB, GiB) units.

From converting miles to kilometers to calculating radiation doses, Another Unit Converter delivers accurate results you can trust.