Conversion Factors and Formulas

  Length, Distance & Area
  • To convert inches to centimetres, multiply by 2.54
  • To convert centimetres to inches, multiply by 0.39
  • Feet to metres, multiply by 0.3
  • Metres to feet, multiply by 3.28
  • Yards to metres, multiply by 0.91
  • Metres to yards, multiply by 1.09
  • Miles to kilometres, multiply by 1.61
  • Kilometres to miles, multiply by 0.6
  • Square inches to square feet, divide by 144.
  • Square feet to square inches, multiply by 111.
  • Square feet to square yards, divide by 9.
  • Square yards to suare feet, multiply by 9.
  • Square feet to MSF (1000sf), divide by 1000.
  • MSF to square feet, multiply by 1000.

Weight
  • To convert ounces to grams, multiply by 28.35
  • To convert grams to ounces, multiply by 0.035
  • Pounds to kilograms, multiply by 0.45
  • Kilograms to pounds, multiply by 2.21
  • US tons to kilograms, multiply by 907

Yield
  • To convert pounds to MSF, multiply pounds by specific yield (msf/#) for film type. (Note: See Yield chart.)
  • To convert MSF to pounds, divide MSF by specific yield (msf/#) for film type. (Note: See Yield chart.)
  • Temperature
  • To convert degrees Celsius into degrees Fahrenheit, multiply by 1.8 and add 32
  • To convert degrees Fahrenheit into degrees Celsius, subtract 32 and multiply by 0.55
 

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