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.