Scientific Conversions Click for Data or Converter: Area Length Volume Energy Mass Power Pressure Temperature Velocity Area Input Select Conversion acres (ac) -> hectares (ha) acres (ac) -> square metres (m^2) hectares (ha) -> acres (ac) hectares (ha) -> square metres (m^2) perch (p) -> square metres (m^2) rood (rd) -> square metres (m^2) square centimetres (cm^2) -> square inches (in^2) square feet (ft^2) -> square metres (m^2) square inches (in^2) -> square centimetres (cm^2) square inches (in^2) -> square metres (m^2) square inches (in^2) -> square millimetres (mm^2) square metres (m^2) -> acres (ac) square metres (m^2) -> hectares (ha) square metres (m^2) -> perch (p) square metres (m^2) -> rood (rd) square metres (m^2) -> square feet (ft^2) square metres (m^2) -> square inches (in^2) square metres (m^2) -> square yards (yd^2) square millimetres (mm^2) -> square inches (in^2) square yards (yd^2) -> square metres (m^2) Factor (Multiply by) Your Result Length Input Select Conversion centimetres (cm) -> inches (in) chains (ch) -> metres (m) feet (ft) -> metres (m) inches (in) -> centimetres (cm) inches (in) -> metres (m) inches (in) -> millimetres (mm) light years (l.y.) -> metres (m) links (lk) -> metres (m) metres (m) -> chains (ch) metres (m) -> feet (ft) metres (m) -> inches (in) metres (m) -> light years (l.y.) metres (m) -> links (lk) metres (m) -> miles metres (m) -> perch (p) metres (m) -> yards (yd) miles -> metres (m) international nautical miles (n mile) -> metres (m) millimetres (mm) -> inches (in) perch (p) -> metres (m) yards (yd) -> metres (m) Factor (Multiply by) Your Result Volume Input Select Conversion cubic centimetres (cm^3) -> cubic inches (in^3) cubic feet (ft^3) -> cubic metres (m^3) cubic feet (ft^3) -> litres (L) cubic inches (in^3) -> cubic centimetres (cm^3) cubic inches (in^3) -> cubic metres (m^3) cubic inches (in^3) -> cubic millimetres (mm^3) cubic metres (m^3) -> US gallons (US gal) cubic metres (m^3) -> cubic feet (ft^3) cubic metres (m^3) -> cubic inches (in^3) cubic metres (m^3) -> cubic yards (yd^3) cubic metres (m^3) -> fluid drachm (fl dr) cubic metres (m^3) -> fluid ounces (fl oz) cubic metres (m^3) -> gallons (gal) cubic metres (m^3) -> gill cubic metres (m^3) -> litres (L) cubic metres (m^3) -> minim (min) cubic metres (m^3) -> pints (pt) cubic metres (m^3) -> quarts (qt) cubic millimetres (mm^3) -> cubic inches (in^3) cubic yards (yd^3) -> cubic metres (m^3) fluid drachm (fl dr) -> cubic metres (m^3) fluid ounces (fl oz) -> cubic metres (m^3) fluid ounces (fl oz) -> millilitres (mL) gallons (gal) -> cubic metres (m^3) gallons (gal) -> litres (L) gill -> cubic metres (m^3) litres (L) -> US gallons (US gal) litres (L) -> cubic feet (ft^3) litres (L) -> gallons (gal) litres (L) -> minim (min) litres (L) -> cubic metres (m^3) millilitres (mL) -> fluid ounces (fl oz) minim (min) -> cubic metres (m^3) minim (min) -> litres (L) pints (pt) -> cubic metres (m^3) quarts (qt) -> cubic metres (m^3) US gallons (US gal) -> cubic metres (m^3) US gallons (US gal) -> litres (L) Factor (Multiply by) Your Result Energy Input Select Conversion British thermal units (Btu) -> joules (J) calories (cal) -> joules (J) Joules (J) -> British thermal units (Btu) Joules (J) -> calories (cal) Joules (J) -> kilocalories (kcal) Joules (J) -> kilowatt hours (kW.h) kilocalories (kcal) -> joules (J) kilowatt hours (kW.h) -> joules (J) Factor (Multiply by) Your Result Mass Input Select Conversion drams (dr) -> kilograms (kg) grain (gr) -> kilograms (kg) hundredweight (cwt) -> kilograms (kg) kilograms (kg) -> drams (dr) kilograms (kg) -> grain (gr) kilograms (kg) -> hundredweight (cwt) kilograms (kg) -> ounces (oz) kilograms (kg) -> pennyweight (dwt) kilograms (kg) -> pounds (lb) kilograms (kg) -> quarter (qr) kilograms (kg) -> short ton (sh tn) kilograms (kg) -> slug kilograms (kg) -> stone kilograms (kg) -> ton kilograms (kg) -> tonne kilograms (kg) -> troy ounces (oz tr) ounces (oz) -> kilograms (kg) pennyweight (dwt) -> kilograms (kg) pounds (lb) -> kilograms (kg) quarter (qr) -> kilograms (kg) short ton (sh tn) -> kilograms (kg) short ton (sh tn) -> tonnes (t) slug -> kilograms (kg) stone -> kilograms (kg) ton -> kilograms (kg) ton -> tonne (t) tonne (t) -> ton tonne -> kilograms (kg) tonnes (t) -> short ton (sh tn) troy ounces (oz tr) -> kilograms (kg) Factor (Multiply by) Your Result Power Input Select Conversion horsepower (hp) -> Watts (W) Watts (W) -> horsepower (hp) Factor (Multiply by) Your Result Pressure Input Select Conversion millibars (mb) -> Pascals (Pa) millibars (mb) -> standard atmosphere (atm) millimetres of mercury (mm Hg) -> Pascals (Pa) Pascals (Pa) -> millibars (mb) Pascals (Pa) -> millimetres of mercury (mm Hg) Pascals (Pa) -> standard atmosphere (atm) standard atmosphere (atm) -> Pascals (Pa) standard atmosphere (atm) -> millibars (mb) lbf/in^2 (psi) -> kilo-Pascals (kPa) kilo-Pascals (kPa) -> lbf/in^2 (psi) Factor (Multiply by) Your Result Temperature Input Select Conversion Celsius (degrees C) -> Fahrenheit (degrees F) Celsius (degrees C) -> Kelvin (K) Fahrenheit (degrees F) -> Celsius (degrees C) Fahrenheit (degrees F) -> Kelvin (K) Kelvin (K) -> Celsius (degrees C) Kelvin (K) -> Fahrenheit (degrees F) Factor (Multiply by) Your Result Velocity Input Select Conversion feet per minute (ft/min) -> metres per second (m/s) kilometres per hour (km/h) -> miles per hour (mph) knotts, international -> meters per second (m/s) meters per second (m/s) -> knotts, international metres per second (m/s) -> feet per minute (ft/min) metres per second (m/s) -> miles per hour (mph) miles per hour (mph) -> kilometres per hour (km/h) miles per hour (mph) -> metres per second (m/s) Factor (Multiply by) Your Result