Unit Converters
Square meter, Square foot, Acre, Square centimeter, Are, Hectare, Square kilometer, Square mile, Square inch and more..
Daily exchange rates for 35 different currencies. USD United States Dollars, EUR Euro, CAD Canada Dollars, GBP United Kingdom Pounds, TRY Turkish Lira, JPY Japan Yen, IDR Indonesia Rupiahs, CNY China Yuan Renminbi
Grain/galon, pound mass/cubic foot, pound mass/gal, ounces/gallon and more
Ampere hour, coulomb, statcoulomb and more. 
BTU, calorie, erg, joule, kilocalorie, foot-pound force, watt-hour, valt-coulomb and many more.
Newton/meter(n/m), pound force/inch (lbf/in), pound force/foot (lbf/ft).
Newton, kilogram force, kilopond force, ounce force, pound force and more.
Meter m, Kilometer km, Foot ft, Inch in, Mile, Centimeter cm, Millimeter mm, Nanometer nm, Light year LY, League, Caliber cal, League
Candela/sq.meter, foot-lambert, lumen/sq.centimeter, lumen/sq.meter, lux and more.
Kilogram/second, pound mass/sec, pound mass/min
BTU/hour, watt, megawatt, horsepower, foot pound force/minute, BTU/ second and many more.
Kilogram kgr, Pound lb, Ounce oz, Ton short, Ton long, Ton metric, Gram gr, Milligram mgr