Conversions
Length, weight, volume, temperature, cups to grams, energy, data size, large numbers and more: two-way unit converters with exact formulas and printable conversion charts.
Length converter
Type a length in any unit and read it at once in inches, feet, yards, miles, millimeters, centimeters, meters, kilometers and nautical miles.
- Centimeters to inches (cm → in)
- Inches to centimeters (in → cm)
- Meters to feet (m → ft)
- Feet to meters (ft → m)
- Kilometers to miles (km → mi)
- Miles to kilometers (mi → km)
- Millimeters to inches (mm → in)
- Inches to millimeters (in → mm)
- Feet to centimeters (ft → cm)
- Centimeters to feet (cm → ft)
- Meters to yards (m → yd)
- Yards to meters (yd → m)
- Feet to inches (ft → in)
- Inches to feet (in → ft)
- Centimeters to meters (cm → m)
- Meters to centimeters (m → cm)
- Millimeters to centimeters (mm → cm)
- Centimeters to millimeters (cm → mm)
- Kilometers to meters (km → m)
- Meters to kilometers (m → km)
- Inches to meters (in → m)
- Meters to inches (m → in)
- Yards to feet (yd → ft)
- Feet to yards (ft → yd)
- Miles to feet (mi → ft)
- Feet to miles (ft → mi)
- Decimeters to meters (dm → m)
- Meters to decimeters (m → dm)
- Millimeters to meters (mm → m)
- Meters to millimeters (m → mm)
- Micrometers to millimeters (µm → mm)
- Millimeters to micrometers (mm → µm)
- Nautical miles to kilometers (nmi → km)
- Kilometers to nautical miles (km → nmi)
- Nautical miles to miles (nmi → mi)
- Miles to nautical miles (mi → nmi)
Weight and mass converter
Type a weight in any unit and read it at once in ounces, pounds, stones, short and long tons, micrograms, milligrams, grams, kilograms and metric tonnes.
- Kilograms to pounds (kg → lb)
- Pounds to kilograms (lb → kg)
- Grams to ounces (g → oz)
- Ounces to grams (oz → g)
- Pounds to ounces (lb → oz)
- Ounces to pounds (oz → lb)
- Kilograms to ounces (kg → oz)
- Ounces to kilograms (oz → kg)
- Grams to pounds (g → lb)
- Pounds to grams (lb → g)
- Stones to pounds (st → lb)
- Pounds to stones (lb → st)
- Stones to kilograms (st → kg)
- Kilograms to stones (kg → st)
- Milligrams to grams (mg → g)
- Grams to milligrams (g → mg)
- Micrograms to milligrams (mcg → mg)
- Milligrams to micrograms (mg → mcg)
- Grams to kilograms (g → kg)
- Kilograms to grams (kg → g)
- Metric tons to kilograms (t → kg)
- Kilograms to metric tons (kg → t)
- Metric tons to pounds (t → lb)
- Pounds to metric tons (lb → t)
- Short tons to metric tons (ton (US) → t)
- Metric tons to short tons (t → ton (US))
- Short tons to pounds (ton (US) → lb)
- Pounds to short tons (lb → ton (US))
- Long tons to metric tons (ton (UK) → t)
- Metric tons to long tons (t → ton (UK))
Temperature converter
Type a temperature in degrees Fahrenheit, degrees Celsius or kelvins and read the other two scales instantly, including negative values.
Volume converter
Type a volume in any unit and read it at once in teaspoons, tablespoons, cups, fluid ounces, pints, quarts and gallons (US and imperial), milliliters, liters and cubic units.
- Cups to milliliters (cup → ml)
- Milliliters to cups (ml → cup)
- Milliliters to fluid ounces (ml → fl oz)
- Fluid ounces to milliliters (fl oz → ml)
- Liters to gallons (l → gal)
- Gallons to liters (gal → l)
- Tablespoons to milliliters (tbsp → ml)
- Milliliters to tablespoons (ml → tbsp)
- Teaspoons to milliliters (tsp → ml)
- Milliliters to teaspoons (ml → tsp)
- Fluid ounces to cups (fl oz → cup)
- Cups to fluid ounces (cup → fl oz)
- Tablespoons to teaspoons (tbsp → tsp)
- Teaspoons to tablespoons (tsp → tbsp)
- Cups to tablespoons (cup → tbsp)
- Tablespoons to cups (tbsp → cup)
- Liters to milliliters (l → ml)
- Milliliters to liters (ml → l)
- Centiliters to milliliters (cl → ml)
- Milliliters to centiliters (ml → cl)
- Liters to centiliters (l → cl)
- Centiliters to liters (cl → l)
- Deciliters to milliliters (dl → ml)
- Milliliters to deciliters (ml → dl)
- Cubic meters to liters (m³ → l)
- Liters to cubic meters (l → m³)
- Cubic centimeters to milliliters (cm³ → ml)
- Milliliters to cubic centimeters (ml → cm³)
- Cubic centimeters to liters (cm³ → l)
- Liters to cubic centimeters (l → cm³)
- Cubic feet to cubic meters (ft³ → m³)
- Cubic meters to cubic feet (m³ → ft³)
- Cubic feet to liters (ft³ → l)
- Liters to cubic feet (l → ft³)
- Cubic feet to gallons (ft³ → gal)
- Gallons to cubic feet (gal → ft³)
- Cubic inches to cubic centimeters (in³ → cm³)
- Cubic centimeters to cubic inches (cm³ → in³)
- Cubic yards to cubic meters (yd³ → m³)
- Cubic meters to cubic yards (m³ → yd³)
- Gallons to cups (gal → cup)
- Cups to gallons (cup → gal)
- Pints to cups (pt → cup)
- Cups to pints (cup → pt)
- Quarts to cups (qt → cup)
- Cups to quarts (cup → qt)
- Gallons to quarts (gal → qt)
- Quarts to gallons (qt → gal)
- Gallons to pints (gal → pt)
- Pints to gallons (pt → gal)
- Cups to liters (cup → l)
- Liters to cups (l → cup)
- Imperial gallons to liters (gal (UK) → l)
- Liters to imperial gallons (l → gal (UK))
- Imperial pints to milliliters (pt (UK) → ml)
- Milliliters to imperial pints (ml → pt (UK))
- Imperial fluid ounces to milliliters (fl oz (UK) → ml)
- Milliliters to imperial fluid ounces (ml → fl oz (UK))
- Gallons to imperial gallons (gal → gal (UK))
- Imperial gallons to gallons (gal (UK) → gal)
- Gallons to fluid ounces (gal → fl oz)
- Fluid ounces to gallons (fl oz → gal)
Area converter
Type an area in any unit and read it at once in square inches, square feet, square yards, acres, square miles, square centimeters, square meters, ares, hectares and square kilometers.
- Square meters to square feet (m² → ft²)
- Square feet to square meters (ft² → m²)
- Hectares to acres (ha → ac)
- Acres to hectares (ac → ha)
- Acres to square feet (ac → ft²)
- Square feet to acres (ft² → ac)
- Square kilometers to square miles (km² → mi²)
- Square miles to square kilometers (mi² → km²)
- Square meters to square yards (m² → yd²)
- Square yards to square meters (yd² → m²)
- Square centimeters to square inches (cm² → in²)
- Square inches to square centimeters (in² → cm²)
- Ares to hectares (a → ha)
- Hectares to ares (ha → a)
- Square meters to hectares (m² → ha)
- Hectares to square meters (ha → m²)
- Square kilometers to acres (km² → ac)
- Acres to square kilometers (ac → km²)
- Square feet to square yards (ft² → yd²)
- Square yards to square feet (yd² → ft²)
- Acres to square miles (ac → mi²)
- Square miles to acres (mi² → ac)
- Square meters to ares (m² → a)
- Ares to square meters (a → m²)
- Square kilometers to hectares (km² → ha)
- Hectares to square kilometers (ha → km²)
- Square feet to square inches (ft² → in²)
- Square inches to square feet (in² → ft²)
- Acres to square meters (ac → m²)
- Square meters to acres (m² → ac)
Speed converter
Type a speed in miles per hour, kilometers per hour, knots, meters per second or feet per second and read the other units instantly.
- Kilometers per hour to miles per hour (km/h → mph)
- Miles per hour to kilometers per hour (mph → km/h)
- Meters per second to kilometers per hour (m/s → km/h)
- Kilometers per hour to meters per second (km/h → m/s)
- Knots to kilometers per hour (kn → km/h)
- Kilometers per hour to knots (km/h → kn)
- Knots to miles per hour (kn → mph)
- Miles per hour to knots (mph → kn)
- Meters per second to miles per hour (m/s → mph)
- Miles per hour to meters per second (mph → m/s)
- Feet per second to miles per hour (ft/s → mph)
- Miles per hour to feet per second (mph → ft/s)
- Meters per second to feet per second (m/s → ft/s)
- Feet per second to meters per second (ft/s → m/s)
Time converter
Type a duration in any unit and read it at once in milliseconds, seconds, minutes, hours, days, weeks, months and years.
- Hours to minutes (h → min)
- Minutes to hours (min → h)
- Minutes to seconds (min → s)
- Seconds to minutes (s → min)
- Hours to seconds (h → s)
- Seconds to hours (s → h)
- Days to hours (d → h)
- Hours to days (h → d)
- Seconds to milliseconds (s → ms)
- Milliseconds to seconds (ms → s)
- Weeks to days (wk → d)
- Days to weeks (d → wk)
- Months to days (mo → d)
- Days to months (d → mo)
- Years to days (yr → d)
- Days to years (d → yr)
- Years to months (yr → mo)
- Months to years (mo → yr)
- Years to weeks (yr → wk)
- Weeks to years (wk → yr)
- Months to weeks (mo → wk)
- Weeks to months (wk → mo)
- Days to minutes (d → min)
- Minutes to days (min → d)
- Years to hours (yr → h)
- Hours to years (h → yr)
- Days to seconds (d → s)
- Seconds to days (s → d)
Pressure converter
Type a pressure in any unit and read it at once in psi, bar, pascals, hectopascals, kilopascals, megapascals, atmospheres, mmHg, inches of mercury, torr and kg/cm².
- Bars to pounds per square inch (bar → psi)
- Pounds per square inch to bars (psi → bar)
- Pounds per square inch to kilopascals (psi → kPa)
- Kilopascals to pounds per square inch (kPa → psi)
- Atmospheres to pounds per square inch (atm → psi)
- Pounds per square inch to atmospheres (psi → atm)
- Atmospheres to bars (atm → bar)
- Bars to atmospheres (bar → atm)
- Kilopascals to bars (kPa → bar)
- Bars to kilopascals (bar → kPa)
- Millimeters of mercury to kilopascals (mmHg → kPa)
- Kilopascals to millimeters of mercury (kPa → mmHg)
- Atmospheres to millimeters of mercury (atm → mmHg)
- Millimeters of mercury to atmospheres (mmHg → atm)
- Megapascals to pounds per square inch (MPa → psi)
- Pounds per square inch to megapascals (psi → MPa)
- Hectopascals to inches of mercury (hPa → inHg)
- Inches of mercury to hectopascals (inHg → hPa)
- Atmospheres to pascals (atm → Pa)
- Pascals to atmospheres (Pa → atm)
- Kilograms-force per square centimeter to pounds per square inch (kgf/cm² → psi)
- Pounds per square inch to kilograms-force per square centimeter (psi → kgf/cm²)
- Kilograms-force per square centimeter to bars (kgf/cm² → bar)
- Bars to kilograms-force per square centimeter (bar → kgf/cm²)
- Torr to atmospheres (Torr → atm)
- Atmospheres to torr (atm → Torr)
- Pascals to pounds per square inch (Pa → psi)
- Pounds per square inch to pascals (psi → Pa)
- Megapascals to bars (MPa → bar)
- Bars to megapascals (bar → MPa)
- Kilopascals to atmospheres (kPa → atm)
- Atmospheres to kilopascals (atm → kPa)
- Hectopascals to millimeters of mercury (hPa → mmHg)
- Millimeters of mercury to hectopascals (mmHg → hPa)
Fuel economy converter
Type a fuel economy in US mpg, UK mpg, liters per 100 km or kilometers per liter and compare cars from any country instantly.
- Miles per gallon to liters per 100 kilometers (mpg → L/100 km)
- Liters per 100 kilometers to miles per gallon (L/100 km → mpg)
- Miles per imperial gallon to liters per 100 kilometers (mpg (UK) → L/100 km)
- Liters per 100 kilometers to miles per imperial gallon (L/100 km → mpg (UK))
- Kilometers per liter to liters per 100 kilometers (km/L → L/100 km)
- Liters per 100 kilometers to kilometers per liter (L/100 km → km/L)
- Miles per gallon to kilometers per liter (mpg → km/L)
- Kilometers per liter to miles per gallon (km/L → mpg)
- Miles per gallon to miles per imperial gallon (mpg → mpg (UK))
- Miles per imperial gallon to miles per gallon (mpg (UK) → mpg)
Energy converter
Type an energy in any unit and read it at once in joules, kilojoules, megajoules, calories, kilocalories, watt-hours, kilowatt-hours, BTU, therms, foot-pounds and electronvolts.
- Kilocalories to kilojoules (kcal → kJ)
- Kilojoules to kilocalories (kJ → kcal)
- Calories to joules (cal → J)
- Joules to calories (J → cal)
- Kilowatt-hours to British thermal units (kWh → BTU)
- British thermal units to kilowatt-hours (BTU → kWh)
- Kilowatt-hours to megajoules (kWh → MJ)
- Megajoules to kilowatt-hours (MJ → kWh)
- Watt-hours to joules (Wh → J)
- Joules to watt-hours (J → Wh)
- Kilowatt-hours to kilocalories (kWh → kcal)
- Kilocalories to kilowatt-hours (kcal → kWh)
- British thermal units to joules (BTU → J)
- Joules to British thermal units (J → BTU)
- Therms to kilowatt-hours (thm → kWh)
- Kilowatt-hours to therms (kWh → thm)
- Joules to electronvolts (J → eV)
- Electronvolts to joules (eV → J)
- Foot-pounds to joules (ft⋅lbf → J)
- Joules to foot-pounds (J → ft⋅lbf)
- Kilojoules to joules (kJ → J)
- Joules to kilojoules (J → kJ)
- Kilowatt-hours to watt-hours (kWh → Wh)
- Watt-hours to kilowatt-hours (Wh → kWh)
- British thermal units to kilocalories (BTU → kcal)
- Kilocalories to British thermal units (kcal → BTU)
Power converter
Type a power in any unit and read it at once in watts, kilowatts, megawatts, horsepower, metric horsepower, BTU per hour, tons of refrigeration and kilocalories per hour.
- Kilowatts to horsepower (kW → hp)
- Horsepower to kilowatts (hp → kW)
- Horsepower to watts (hp → W)
- Watts to horsepower (W → hp)
- Kilowatts to metric horsepower (kW → PS)
- Metric horsepower to kilowatts (PS → kW)
- Horsepower to metric horsepower (hp → PS)
- Metric horsepower to horsepower (PS → hp)
- Watts to BTU per hour (W → BTU/h)
- BTU per hour to watts (BTU/h → W)
- Kilowatts to BTU per hour (kW → BTU/h)
- BTU per hour to kilowatts (BTU/h → kW)
- Tons of refrigeration to BTU per hour (TR → BTU/h)
- BTU per hour to tons of refrigeration (BTU/h → TR)
- Tons of refrigeration to kilowatts (TR → kW)
- Kilowatts to tons of refrigeration (kW → TR)
- Watts to kilowatts (W → kW)
- Kilowatts to watts (kW → W)
- Megawatts to kilowatts (MW → kW)
- Kilowatts to megawatts (kW → MW)
- Kilowatts to kilocalories per hour (kW → kcal/h)
- Kilocalories per hour to kilowatts (kcal/h → kW)
Data storage converter
Type a file or disk size in any unit and read it at once in bits, bytes, kilobytes, megabytes, gigabytes, terabytes, petabytes and their binary counterparts KiB, MiB, GiB and TiB.
- Megabytes to gigabytes (MB → GB)
- Gigabytes to megabytes (GB → MB)
- Gigabytes to terabytes (GB → TB)
- Terabytes to gigabytes (TB → GB)
- Kilobytes to megabytes (kB → MB)
- Megabytes to kilobytes (MB → kB)
- Bytes to kilobytes (B → kB)
- Kilobytes to bytes (kB → B)
- Bits to bytes (bit → B)
- Bytes to bits (B → bit)
- Gigabytes to gibibytes (GB → GiB)
- Gibibytes to gigabytes (GiB → GB)
- Terabytes to tebibytes (TB → TiB)
- Tebibytes to terabytes (TiB → TB)
- Mebibytes to megabytes (MiB → MB)
- Megabytes to mebibytes (MB → MiB)
- Kibibytes to kilobytes (KiB → kB)
- Kilobytes to kibibytes (kB → KiB)
- Terabytes to petabytes (TB → PB)
- Petabytes to terabytes (PB → TB)
- Mebibytes to gibibytes (MiB → GiB)
- Gibibytes to mebibytes (GiB → MiB)
- Terabytes to gibibytes (TB → GiB)
- Gibibytes to terabytes (GiB → TB)
Data rate converter
Type an internet or transfer speed in any unit and read it at once in bits per second, kbps, Mbps, Gbps and in bytes per second, kB/s, MB/s and GB/s.
- Megabits per second to megabytes per second (Mbps → MB/s)
- Megabytes per second to megabits per second (MB/s → Mbps)
- Gigabits per second to megabits per second (Gbps → Mbps)
- Megabits per second to gigabits per second (Mbps → Gbps)
- Kilobits per second to megabits per second (kbps → Mbps)
- Megabits per second to kilobits per second (Mbps → kbps)
- Gigabits per second to gigabytes per second (Gbps → GB/s)
- Gigabytes per second to gigabits per second (GB/s → Gbps)
- Megabytes per second to gigabytes per second (MB/s → GB/s)
- Gigabytes per second to megabytes per second (GB/s → MB/s)
- Kilobytes per second to kilobits per second (kB/s → kbps)
- Kilobits per second to kilobytes per second (kbps → kB/s)
- Gigabits per second to megabytes per second (Gbps → MB/s)
- Megabytes per second to gigabits per second (MB/s → Gbps)
Large numbers converter
Type an amount in thousands, millions, billions, trillions, lakhs or crores and read it at once in all the others, including the Indian numbering system.
- Millions to billions (M → bn)
- Billions to millions (bn → M)
- Billions to trillions (bn → tn)
- Trillions to billions (tn → bn)
- Thousands to millions (k → M)
- Millions to thousands (M → k)
- Lakhs to millions (lakh → M)
- Millions to lakhs (M → lakh)
- Crores to millions (crore → M)
- Millions to crores (M → crore)
- Crores to billions (crore → bn)
- Billions to crores (bn → crore)
- Lakhs to thousands (lakh → k)
- Thousands to lakhs (k → lakh)
- Crores to lakhs (crore → lakh)
- Lakhs to crores (lakh → crore)
- Trillions to millions (tn → M)
- Millions to trillions (M → tn)
- Hundreds to thousands (hundred → k)
- Thousands to hundreds (k → hundred)
Flour converter
Type an amount of all-purpose flour in cups, tablespoons, teaspoons, grams, ounces, pounds or kilograms and read it at once in every other measure, based on 125 g per US cup.
- Cups of flour to grams (cup → g)
- Grams to cups of flour (g → cup)
- Tablespoons of flour to grams (tbsp → g)
- Grams to tablespoons of flour (g → tbsp)
- Teaspoons of flour to grams (tsp → g)
- Grams to teaspoons of flour (g → tsp)
- Cups of flour to ounces (cup → oz)
- Ounces to cups of flour (oz → cup)
- Pounds to cups of flour (lb → cup)
- Cups of flour to pounds (cup → lb)
- Kilograms to cups of flour (kg → cup)
- Cups of flour to kilograms (cup → kg)
Sugar converter
Type an amount of granulated white sugar in cups, tablespoons, teaspoons, grams, ounces, pounds or kilograms and read it at once in every other measure, based on 200 g per US cup.
- Cups of sugar to grams (cup → g)
- Grams to cups of sugar (g → cup)
- Tablespoons of sugar to grams (tbsp → g)
- Grams to tablespoons of sugar (g → tbsp)
- Teaspoons of sugar to grams (tsp → g)
- Grams to teaspoons of sugar (g → tsp)
- Cups of sugar to ounces (cup → oz)
- Ounces to cups of sugar (oz → cup)
- Pounds to cups of sugar (lb → cup)
- Cups of sugar to pounds (cup → lb)
- Kilograms to cups of sugar (kg → cup)
- Cups of sugar to kilograms (cup → kg)
Butter converter
Type an amount of butter in sticks, cups, tablespoons, teaspoons, grams, ounces, pounds or kilograms and read it at once in every other measure. One US stick is 113 g, or 8 tablespoons.
- Cups of butter to grams (cup → g)
- Grams to cups of butter (g → cup)
- Tablespoons of butter to grams (tbsp → g)
- Grams to tablespoons of butter (g → tbsp)
- Teaspoons of butter to grams (tsp → g)
- Grams to teaspoons of butter (g → tsp)
- Cups of butter to ounces (cup → oz)
- Ounces to cups of butter (oz → cup)
- Pounds to cups of butter (lb → cup)
- Cups of butter to pounds (cup → lb)
- Kilograms to cups of butter (kg → cup)
- Cups of butter to kilograms (cup → kg)
- Sticks of butter to grams (stick → g)
- Grams to sticks of butter (g → stick)
- Sticks of butter to tablespoons of butter (stick → tbsp)
- Tablespoons of butter to sticks of butter (tbsp → stick)
- Sticks of butter to cups of butter (stick → cup)
- Cups of butter to sticks of butter (cup → stick)