Unit Converter - Henkankun

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About this app

🔄 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.

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✨ KEY FEATURES
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📐 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.

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🌍 PERFECT FOR
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🍳 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

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🛠️ DESIGNED FOR SIMPLICITY
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✓ 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!

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

Download now and simplify your conversions!

What’s new

We have implemented the “Data Capacity and Data Transfer Speed” category, “Shakkanho Units,” and “Calculation Formula Input.”