Unit Converters - The Most Accurate Unit Conversion

Easily convert one unit to another with the most accurate unit converters.

• Calendar
• Speed

• Flow Rate
• Height

• Temperature
• Weight

• Area
• Volume

• Length
• Time

Our converters are the most accurate. This is because we use a library developed by IBM to do calculation on very large and very small numbers. In addition, the unit converters use exact value multipliers and avoid intermediate rounding in the conversion process.

List of Unit Converters

Calendar Converter - Chinese, Ethiopian, Gregorian, Hebrew, Hijri, Hijri (Saudi), Japanese, Julian, Korean, Persian, Taiwan, Thai Buddhist, and Lunisolar.

Speed Converter - Meters per Second, Meters per Hour, Meters per Minute, Miles per Hour, Miles per Minute, Miles per Second, Kilometers per Hour, Kilometers per Minute, Kilometers per Second, Feet per Minute, Feet per Second, Inches per Minute, Inches per Second, Centimeters per Second, Millimeters per Second, and Yards per Second.

Flow Rate Converter - US Gallons per Day, US Gallons per Hour, US Gallons per Minute, US Gallons per Second, US Gallons per Year, UK Gallons per Day, UK Gallons per Hour, UK Gallons per Minute, UK Gallons per Second, UK Gallons per Year, Liters per Day, Liters per Hour, Liters per Minute, Liters per Second, Liters per Year, Cubic Feet per Day, Cubic Feet per Hour, Cubic Feet per Minute, Cubic Feet per Second, Cubic Feet per Year, Cubic Meters per Day, Cubic Meters per Hour, Cubic Meters per Minute, Cubic Meters per Second, Cubic Meters per Year, Oil Barrels per Day, Oil Barrels per Hour, Oil Barrels per Minute, Oil Barrels per Second, Oil Barrels per Year, Acre-Feet per Day, Acre-Feet per Hour, Acre-Feet per Minute, Acre-Feet per Second, Acre-Feet per Year, US Survey Acre-Feet per Day, US Survey Acre-Feet per Hour, US Survey Acre-Feet per Minute, US Survey Acre-Feet per Second, and US Survey Acre-Feet per Year.

Height Converter - Meters, Centimeters, and Feet and Inches.

Temperature Converter - Celsius, Fahrenheit, Kelvin, and Rankine

Weight Converter - Grams, Pounds, Troy Pounds, Kilograms, Ounces, Troy Ounces, Carats, Milligrams, Tons, Long Tons, Short Tons, Grains, Stones, Slugs, Pennyweights, and Drams.

Area Converter - Square Meters, Acres, US Survey Acres, Hectares, Square Centimeters, Square Feet, Square Inches, Square Kilometers, Square Miles, Square Millimeters, and Square Yards.

Volume Converter - Liters, US Gallons, US Dry Gallons, UK Gallons, Milliliters, US Fluid Ounces, UK Fluid Ounces, Oil Barrels, US Dry Barrels, US Beer Barrels, UK Beer Barrels, Cubic Centimeters, Cubic Millimeters, Cubic Feet, Cubic Inches, Cubic Meters, Acre-feet, US Survey Acre-feet, US Pints, US Dry Pints, UK Pints, Cups, US Cups, US Legal Cups, UK Cups, Japanese Cups, Tablespoons, Australian Tablespoons, Teaspoons, US Quarts, US Dry Quarts, UK Quarts, US Bushels, UK Bushels, US Pecks, UK Pecks, Cubic Yards, Cubic Kilometers, and Cubic Miles.

Length Converter - Centimeters, Inches, Meters, Kilometers, Miles, US Survey Miles, Nautical Miles, Feet, US Survey Feet, Yards, Millimeters, Micrometers, Nanometers, Mils, Rods, Furlongs, Chains, Fathoms, and Hands.

Time Converter - Days, Hours, Minutes, Seconds, Milliseconds, Nanoseconds, Weeks, Months, Quarters, Years, Decades, Centuries, and Millenia.