Unit Converter - Henkankun

Henkankun - Your Ultimate Unit Converter

"How many kilometers is 1 mile?" "What's 98°F in Celsius?"

Get instant, accurate answers with this powerful unit conversion app.

KEY FEATURES

18 Categories, 100+ Units

• Length (m, km, in, ft, mi...)

• Mass (g, kg, lb, oz...)

• Temperature (°C, °F, K)

• Area, Volume, Speed, Time

• Pressure, Energy, Power

• Concentration, Fuel Economy, Angle, Frequency

• Flow Rate, Torque, Rotation

• Currency (USD, EUR, JPY + 14 more)

Real-Time Conversion

See multiple conversion results instantly as you type. Compare units at a glance.

One-Tap Swap

Quickly switch between source and target units. Reverse calculations in a flash.

Favorites & History

Save frequently used conversions. Access your conversion history anytime.

High-Precision Engine

Powered by Decimal-based calculations for accurate, error-free results.

PERFECT FOR

• Cooking: cups & oz → mL & g

• Travel: miles → km, °F → °C

• DIY & Crafts: inches → cm

• Work: PSI → Pa, gallons → L

•Study & Research: Quick unit system conversions

DESIGNED FOR SIMPLICITY

• Clean, intuitive interface

• Dark mode support

• English & Japanese languages

• Customizable decimal places & rounding

• Non-intrusive ads for a smooth experience

FULLY OFFLINE

No internet required. Use it anywhere, anytime — even while traveling abroad with no data worries!

From daily life to professional work, Henkankun handles all your unit conversion needs.