Length/Distance Millimeters, Centimeters, Inches, Feet, Yards, Meters, Kilometers, Miles, Mils, Rods, Fathoms, Nautical Miles, More...
Temperature Celsius, Fahrenheit, Kelvin
Speed centimeters/second, meters/second, kilometers/hour, feet/second, feet/minute, miles/hour, knots, mach, More...
Volume Liquid and Dry. Liters, Fluid Ounces, Pints, Quarts, Gallons, Milliliter/cc, Barrels, Gill, Hogshead, More...
Weight Kilograms, Ounces, Pounds, Troy Pounds, Stones, Tons, More...
Metric Weight microgram, milligram, centigram, decigram, gram, dekagram, hectogram, kilogram, More...
Computer Convert bytes, kilobytes, megabytes, gigabytes, and More...
Time Several different converters and calculators related to time.
Cooking Drop, Dash, Pinch, Teaspoons, Tablespoons, Cups, More...
Angles Gradients, Radians, Degrees, Minutes, Seconds, Points, More...
Area Square centimeter, Square meter, Square inch, Square foot, Square mile, Square Kilometer, Acres, Circles, More...
Power Watts, BTU/hour, foot-lbs/second, Horsepower, kilowatts, More...
Energy Joules, Kilocalories, Foot-poundals, Foot-lbs, Kg force-meters, BTU, Kilowatt-hrs, Horsepower-hrs, More...
Density kg/cubic meter, lbm/cubic foot, lbm/gallon, aluminum, copper, gold, water, More...
Force Dyne, gram-force, poundals, newtons, pounds, kgm-force, More...
Pressure dyne/sq cm, Pascal, poundal/sq foot, Torr, inch H2O, inch mercury, More...
Astronomical Astronomical unit, light-years, parsecs, More...
Numbers Number conversions and information. Base conversion, SI Standard prefixes, American and British naming conventions, and more...
Finance Several calculators and conversions related to finance
Miscellaneous Several calculators and conversions that didn't fit any other category
Fun Stuff Several fun and interesting calculators and conversions
Clothing Convert clothing sizes between many different countries.
Light Conversion calculators for illuminance and luminance.
Torque Pound-force Foot, Pound-force Inch, Kilogram-force Meter, and Newton meter²
Viscosity Poise, Centipoise, Water, Oil, Glycerin, more...
Frequency Hertz, cycles per second, revolutions per second, degrees per second, radians per second, many more...
Flow Rate Both mass based and volume based flow rate.
Acceleration Many different acceleration constants. g-unit, meter/square second, more...