Unit Converter Kit is a fast, accurate conversion tool that works entirely on your device. Convert over 80 units across 11 categories with instant results as you type.
REAL-TIME CONVERSION
No buttons. No waiting. Results appear the moment you type a number. Swap from and to units with a single tap.
11 CATEGORIES
Length (meter, inch, foot, mile), Weight (kg, g, lb, oz), Temperature (C, F, K), Volume (L, mL, gallon), Speed (km/h, mph, m/s), Area, Time, Energy (J, kcal, kWh), Pressure (Pa, bar, psi), Data Storage (B, KB, MB, GB), and Currency (USD, EUR, CNY, JPY).
HISTORY & FAVORITES
Every conversion is saved to history. Pin your most-used unit pairs to Favorites for quick access.
CURRENCY WITH LIVE RATES
Exchange rates update automatically. Offline fallback rates ensure currency conversion always works.
WORKS OFFLINE
All categories function without an internet connection. Currency uses cached rates when offline.
CLIPBOARD SUPPORT
Tap the clipboard button to paste and convert values from any app.
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On mobile tap Share for WeChat / RED (Xiaohongshu) / X; on desktop use Copy text and paste into the app.