[Android Apps and Games] omidlolo:
Handy Converter will give a ready conversion of Imperial units to Metric and vice versa.

Handy Converter includes a Temperature, Torque, Paper, Pressure, Speed, Time, Light, Mass, Power, Force, Flow, Energy, Distance, Density, Concentration, Computer, Area, Volume, Acceleration, Amount of Substance, Angle calculator. And detaile:

Volume: CC-Cubic Centimeter-Cubic Foot-Cubic Inch-Cubic Meter-Cubic Yard-Cup-Dram-Drop-Gallon-Gallon (UK)-Liter(L)-Milliliter(mL)-Minim (US)-Ounce (oz)-Ounce (oz) (UK)-Pint (pt)-Pint (pt) (UK)-Quart(qt)-Tablespoon-Teaspoon-Barrel-Bushel-E3m3-Fluid(UK)-Gallon(C)-Gill-MMscf-Peck-Pint(dry)-Quarts(UK)

Acceleration: Centimeter/Sq. Sec(cm/s^2)-Foot/Sq. Sec(ft/s^2)-Free fall(g)-Meter/Sq. Sec(m/s^2)-Mile/Hour Second(mi/(h.s))-Millimeter/Sq. Sec(mm/s^2)-Celo-Centigal-Decigal-Decimeter/Sq. Sec-Dekameter/Sq. Sec-Gal-Galileo-Gn-Hectometer/Sq. Sec-Inch/Sq. Sec-Kilometer/Hour Second-Kilometer/Sq. Sec-Leo-Mile/Hour Minute-Mile/Sq. Sec-Milligal

Amount of Substance: Kilomol(kmol)-Micromol-Millimol(mmol)-Mole(mol)

Angle: Degree-Grad(g)-Minute-Radian(rad)-Revolution(r)-Right angle-Second

Area: Acre-Sq. Centimeter-Sq. Foot-Hectare-Sq. Inch-Sq. Kilometer-Sq. Meter-Sq. Mile-Sq. Millimeter-Sq. Yard-Are-Barn-Dekare-Sq. Decimeter-Sq. Hectometer-Sq. Mile(US)

Computer: Bits(b)-Bytes(B)-Exabytes(EB)-Gigabytes(GB)-Kilobits(Kb)-Kilobytes(KB)-Megabits(Mb)-Megabytes(MB)-Nibble-Petabytes(PB)-Terabytes(Tb)-Yottabytes(TB)-Zettabytes(ZB)-Gigabits(Gb)-Petabits(Pb)

Concentration: Kilomole/Sq. Meter-Micromole/Sq. Centimeter-Micromole/Sq. Decimeter-Micromol/Liter-Millimole/Sq. Centimeter-Millimole/Sq. Deceimeter-Millimole/Liter-Millimole/Sq. Meter-Millimole/Millileter-Mole/Sq. Decimeter-Mole/Liter-Mole/Sq. Meter-One elementary entity/Sq. Meter

Density: Gram/Cu. Centimeter-Gram/Cu. Meter-Kilogram/Cu. Meter-Milligram/Cu. Meter-Ounce/Gallon-Pound/Sq. Foot-Pound/Sq. Inch-Ton/Sq. Yard-Aluminum-Copper-Gold-Grain/Cubic Foot-Grain/Cubic Inch-Grain/Cubic Yard-Grain/Gallon(UK)-Grain/Gallon(US)-Gram/Cu. Decimeter-Gram/Liter-Gram/Milliliter-Iron-Kilogram/Cu. Centimeter-Kilogram/Cu. Decimeter-Kilogram/Liter-Kilogram/Milliliter-Lead-Megagram/Cubic Centimeter-Megagram/Cubic Decimeter-Megagram/Cubic Meter-Megagram/Liter-Megagram/Milliliter-Milligram/Cubic Centimeter-Milligram/Cubic Decimeter-Milligram/Liter-Milligram/Milliliter-Silver-Water

Distance: Centimeter(cm)-Dekameter(dm)-Foot(ft)-Furlong-Hectometer(hm)-Inch(in)-Kilometer(km)-Lightyear-Meter(m)-Micrometer-Mil(mil)-Mile(ml)-Millimeter(mm)-Nanometer(nm)-Nautical mile(M)-Parsec(pc)-Yard(yd)-Angstrom-Astronomical Unit-Cable-Chain-Decimeter-Fathom-Fermi-Foot(US)-Megameter-Mile(US)-Nautical Meter-Picometer-Rod Pole

Energy: Attojoule-BTU-Calorie-Dyne-Centimeter-Electron Volt-Erg-Gigajoule-Gigawatt-Hour-Gram Force-Centimeter-Horsepower-Hour-Joule-Kilocalorie-Kiloelectron Volt-Kilojoule-Kilowatt-Hour-Megaelectron Volt-Megajoule-Megawatt-Hour-Microjoule-Millijoule-Nanojoule-Newton-Meter-Ounce Force-Inch-Pound Force-Foot-Pound Force-Inch-Poundal-Foot-Therm-Watt-Hour-Watt-Second-Foot-Pound-Inch-Pound-Terajoule

Flow: Sq. Centimeter/Hour-Sq. Centimeter/Minute-Sq. Centimeter/Second-Sq. Foot/Hour-Sq. Foot/Minute-Sq. Foot/Second-Gallon (UK)/Day-Gallon (UK)/Hour-Gallon (UK)/Minute-Gallon (UK)/Second -Gallon/Day-Gallon/Hour-Gallon/Minute-Gallon/Second -Liter/Day-Liter/Hour-Liter/Minute-Liter/Second -Sq. Meter/Day-Sq. Meter/Hour-Sq. Meter/Minute-Sq. Meter/Second-Milliliter/Hour-Milliliter/Minute-Milliliter/Second-Ounce (UK)/Hour-Ounce (UK)/Minute-Ounce (UK)/Second -Ounce/Hour-Ounce/Minute-Ounce/Second-Sq. Yard/Hour-Sq. Yard/Minute-Sq. Yard/Second

Force: Dyne-Gram Force-Kilogram Force-Kilonewton-Millinewton-Newton-Ounce-Force(ozf)-Pound-Force(lbf)

Light: Flame-Foot-Candles-Lux-Meter-Candles-Lam-Phot-SB

Mass (Weight): Carat-Grain(gr)-Gram(g)-Kilogram(kg)-Megagram(Mg)-Microgram-Milligram(mg)-Ounce(avdp)(oz)-Ounce(troy)(ozt)-Pound(avdp)(lb)-Pound(troy)-Stone-Ton(long)-Ton(short)(tn)-Tonne(metric ton)(t)-Dram-Hectogram-HundredWeight-Kati-Nanogram-PennyWeight-Quarter-Quintal-Slug-Tahil

Power: BTU/Hour-BTU/Minute-BTU/Second-Calorie/Second-Horsepower-Kilowatt-Megawatt-Pound-Feet/Minute-Pound-Feet/Second-Watt-Gigawatt-Horsepower (boiler)-Milliwatt-Terawatt-Ton (Refrigeration)

Pressure: Atmosphere-Bar-Centimeter of Mercury-Dyne/Sq. Centimeter-Inch of Mercury-Kilogram/Sq. Centimeter-Kilogram/Sq. Meter-Kilopascal-Megapascal-Microbar-Millibar-Millimeters of Mercury-Pascal-Pound/Sq. Foot-Pound/Sq. Inch-PSI-Ton/Sq. Foot-Ton/Sq. Inch-Torr -Gigapascal-Inch of Water -Kilobar -Micropascal -Millipascal

Speed: Light (C)-Centimeter/Hour-Centimeter/Minute-Centimeter/Second-Foot/Hour-Foot/Minute-Foot/Second-Kilometer/Hour-Kilometer/Minute-Kilometer/Second-Nautical mph (knot)-Mash-Meter/Hour-Meter/Minute-Meter/Second-Mile/Hour(mph)-Mile/Minute-Mile/Second

Temperature: Celsius-Fahrenheit-Kelvin-Rankine-Delta Rankine-Delta Celsius-Delta Kelvin-Delta Fahrenheit

Time: Century-Day-Decade-Fortnight-Hour-Leap-Year-Millennium-Millisecond-Minute-Month(30 Day)-Nanosecond-Second-Week-Year-Attosecond-Femtosecond-Kilosecond-Microsecond-Picosecond

Torque: Dyne Centimeter-Gram-Force Centimeter-Kilogram-Force Meter-Kilonewton Meter-Kilopond Meter-Meganewton Meter-Micronewton Meter-Millinewton Meter-Newton Meter-Ounce-Force Foot-Ounce-Force Inch-Pound-Force Foot-Pound-Force Inch

Paper: A3 (297@420)-A4 (210@297)-A5 (148@210)-A6 (105@148)-B3 (353@500)-B4 (250@353)-B5 (176@250)-C4 (229@324)-C5 (162@229)-C6 (114@162)-DL (110@220)