Unit Converter: Offline & Free

Unit Converter + Currency Converter in One App

Need a quick measurement converter for school, cooking, travel, fitness, or work? Unit Converter helps you convert units instantly with clear results and an easy interface.

This all-in-one unit converter app works as a length converter, weight converter, temperature converter, volume converter, area converter, speed converter, time converter, data converter, pressure converter, energy converter, and power converter.

Need an exchange rate calculator too? Use Live Currency conversion with rates refreshed once every 24 hours.

If you are searching for a km to miles converter, lbs to kg converter, Celsius to Fahrenheit converter, cups to mL converter, or MB to GB converter, this conversion calculator gives quick and accurate results.

Popular Unit Converter Searches

How many kilometers in miles?
- Convert km ↔ mi, m ↔ ft, cm ↔ in

How to convert Celsius to Fahrenheit?
- Convert °C ↔ °F ↔ K for weather, science, and recipes

How to convert pounds to kilograms?
- Convert lb ↔ kg, oz ↔ g for fitness and shipping

How to convert liters, cups, and ounces?
- Convert mL, L, cups, fl oz, qt, and gal quickly

How to convert MB to GB or TB?
- Convert bit, byte, KB, MB, GB, and TB for storage planning

How to convert currency with live exchange rates?
- Convert USD, EUR, GBP, INR, JPY, CAD, AUD, BRL, MXN, KRW and more

13 Categories. 85+ Units.

📏 Length: mm, cm, m, km, in, ft, yd, mi
⚖️ Weight: mg, g, kg, t, oz, lb
🌡️ Temperature: °C, °F, K
💱 Live Currency: USD, EUR, GBP, INR, JPY, CAD, AUD, NZD, CHF, CNY, HKD, KRW, SGD, THB, MYR, IDR, PHP, BRL, MXN, ZAR, SEK, NOK, DKK, TRY, AED, SAR, RUB
📐 Area: mm², cm², m², ha, km², in², ft², ac
🧪 Volume: mL, L, m³, gal, qt, cup, fl oz
🚀 Speed: m/s, km/h, mph, knots
⏱️ Time: ms, s, min, hr, day, week
💾 Data: bit, B, KB, MB, GB, TB
⚡ Energy: J, kJ, cal, kcal, Wh, kWh
🧭 Angle: deg, rad, grad
🔋 Power: W, kW, MW, hp
💨 Pressure: Pa, kPa, bar, atm, psi, mmHg

Why Choose This Unit Conversion App

- Fast unit calculator with results as you type
- One-tap swap between from/to units
- Clean interface with light and dark themes
- Core unit conversions work offline
- Live currency conversion updates online daily
- No ads, no tracking
- Built for everyday unit conversion and professional measurement conversion tasks

Great For

- Travelers: Distance, temperature, and currency conversion in one place
- Home Cooks: Everyday kitchen and recipe measurements
- Students: Physics, chemistry, and math unit calculations
- Fitness Users: Weight and energy conversions
- Developers & IT: Data size conversions from KB to TB
- Engineers: Reliable technical conversions for daily tasks
- Shoppers & Finance Users: Daily exchange rate conversion for major currencies

Download Unit Converter today for quick, accurate conversions anytime.