ExConverter Pro

ExConverter is a powerful unit conversion tool, it supports up to 93 different units under 12 categories (length, area, weight etc..). Three major features: express conversion, easy-to-use and multi-unit conversion. *Support languages: English, Traditional Chinese and Simplified Chinese.
* Pro version has no advertising banner, better usability and clear view.

Unit list:

Length
- Millimeter (mm)
- Centimeter (cm)
- Meter (m)
- Kilometer (km)
- Inch (in)
- Foot (ft)
- Furlong (fur)
- Yard (yd)
- Mile (mile)

Area
- Sq. Millimeter (mm²)
- Sq. Centimeter (cm²)
- Sq. Meter (m²)
- Sq. Kilometer (km²)
- Sq. Inch (in²)
- Sq. Foot (ft²)
- Sq. Yard (yd²)
- Sq. Mile (mile²)
- Acre (ac)

Weight
- Pound (lb)
- Ounce (oz)
- Tonne (t)
- Kilogram (kg)
- Gram (g)
- Milligram (mg)
- Carat (ct)
- Stone (st)
- Chinese-斤 (斤)
- Chinese-両 (両)
- Chinese-分 (分)

Volume
- Liter (L)
- Milliliter (mL)
- Imperial-Gallon (gal)
- US-Gallon (gal)
- Imperial-Pint (pt)
- US-Pint (pt)
- Cup (c)
- Tablespoon (tbsp)
- Teaspoon (tsp)
- Petroleum-Barrel (bl)
- Cubic Centimeter (cm³)
- Cubic Meter (m³)
- Cubic Inch (in³)
- Cubic Foot (ft³)
- Cubic Yard (yd³)

Temperature
- Celsius (°C)
- Fahrenheit (°F)
- Kelvin (K)
- Rankine (°R)

Time
- Second (s)
- Minute (min)
- Hour (h)
- Day (day)
- Week (week)
- Year (year)
- Millisecond (ms)
- Microsecond (μs)
- Nanosecond (ns)

Angle
- Degree (°)
- Gradian (grad)
- Radian (rad)

Data
- Byte (B)
- Kilobyte (kB)
- Megabyte (MB)
- Gigabyte (GB)
- Terabyte (TB)
- Petabyte (PB)
- Bit (b)
- Kilobit (kb)
- Megabit (Mb)
- Gigabit (Gb)
- Terabit (Tb)
- Petabit (Pb)

Body Fitness
- Calorie (cal)
- Kilocalorie (kcal)
- Joule (J)
- Kilojoule (KJ)
- Megajoule (MJ)

Force
- Newton (N)
- Dyne (dyn)
- Kilogram-Force (kgf)
- Pound-Force (lbf)
- Poundal (pdl)

Power
- Watt (W)
- Kilowatt (kW)
- Megawatt (MW)
- Metric Horsepower (hp)

Pressure
- Pascal (Pa)
- Kilopascal (kPa)
- Megapascal (MPa)
- Bar (Bar)
- Torr (Torr)
- Pound/Sq. Inch (psi)
- Pound/Sq. Foot (psf)