Convert units with confidence. Built by a professional engineer to respect your time and help you stay focused.

FEATURES

• 60+ unit categories and 2300+ units
From everyday conversions (length, volume, temperature, currency) to less common ones (pressure, energy, power, torque) to engineering and scientific units (dynamic viscosity, surface tension, thermal conductivity, mass flow rate, and more)

• Three converter views
Dropdown for quick conversions, checkbox list for comparing two units, or comprehensive view showing all units at once

• Formulas shown
See the math behind the conversions. Great for homework or verifying calculations

• Customizable
Enable only the categories and units you need. Set significant figures, gauge pressure reference, standard gas flow conditions

• Currency support
Updates rates automatically when online, or set rates manually. Shows the rates being used

• Works offline instantly
All conversions happen locally

• Search
Find units and categories quickly. Searches filter to your selected category

• Dark and light themes

• Multiple languages

WHY THIS APP EXISTS

Built out of frustration with unit converters that lack engineering units. Built with the desire for a positive user experiences.

SUPPORTED CATEGORIES

Everyday
• Length
• Area
• Volume
• Mass
• Temperature
• Time
• Speed
• Currency
• Fuel

Science & Engineering
• Pressure
• Energy
• Power
• Force
• Frequency
• Torque
• Angle
• Acceleration
• Dynamic Viscosity
• Kinematic Viscosity
• Thermal Conductivity
• Mass Flow Rate
• Volume Flow
• Mass Density
• Molarity
• Molar Mass
• Angular Velocity
• Amount of Substance
• Pressure (Absolute)
• Pressure (Gauge)
• Pressure Difference

Electrical
• Voltage
• Electric Current
• Electrical Resistance
• Electrical Capacitance
• Electrical Inductance
• Electric Charge
• Magnetic Field
• Magnetic Flux

Digital
• Information
• Information Rate

Radiation
• Absorbed Dose
• Equivalent Dose
• Radioactivity

Light
• Illuminance
• Luminance
• Luminous Flux

Dimensionless
• Ratio
• Length Ratio
• Area Ratio
• Volume Ratio
• Mass Ratio
• Energy Ratio
• Prefix

Cost
• Currency Per Area
• Currency Per Data
• Currency Per Distance
• Currency Per Energy
• Currency Per Mass
• Currency Per Time
• Currency Per Volume