Metric

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Metric conversion table, history and explanation

This page provides a metric conversion table and two tables showing metric conversions for common measures. An explanation of the metric system is provided in Metric overview; more detailed information on the metric system is provided in Metric details.

Metric conversion table for length

The following metric conversion table will convert lengths to and from metric. Additional calculators will be added at a later date.

 
LENGTH EQUIVALENTS
First, type the number you wish converted here:
Then, click radio buttons for desired conversion:
From: Centimeters
Inches
Feet
Yards
Meters
Chains
Kilometers
Miles
To: Centimeters
Inches
Feet
Yards
Meters
Chains
Kilometers
Miles

Metric conversion table for common measurements

The following two tables show the conversions to and from metric for common measures.   

British/US unit Metric unit   Metric unit British/US unit
Inch 2.54 centimetres   Centimetre 0.39 inches
Foot 30.48 centimetres   Metre 3.28 feet
Yard 0.91 meters   Metre 1.09 yards
Mile 1.61 kilometres   Kilometre 0.62 miles
Teaspoon 4.93 millilitres   Millilitre 0.20 teaspoons
Tablespoon 14.79 millilitres   Millilitre 0.06 tablespoons
Fluid ounce 29.57 millilitres   Millilitre 0.03 fluid ounces
Pint (UK) 0.57 litres      
Pint (US) 0.47 litres   Litre 2.12 pints (US)
Quart (UK) 1.14 litres      
Quart (US) 0.95 litres   Litre 1.06 quarts (US)
Gallon (UK) 4.55 litres      
Gallon (US) 3.79 litres   Litre 0.26 gallons (US)
Ounce (weight) 28.35 grams   Gram 0.035 ounces
Pound 0.45 kilograms   Kilogram 2.21 pounds
Ton (2000 pounds) 0.91 metric tons   Metric ton (1000 kg.) 1.10 tons
Acre 0.40 hectacre   Hectare 2.47 acres
Square inch 6.45 square centimetres   Square centimetre 0.16 square inches
Square foot 0.09 square metres   Square metre  
Square yard 0.84 square metres   Square metre 1.20 square yards
Square mile 2.60 square kilometres   Square kilometre 0.39 square miles
Cubic foot 0.028 cubic metres   Cubic metre 35.23 cubic feet
Cubic yard 0.76 cubic metres   Cubic metre 1.35 cubic yards

Temperature

France uses the Celsius temperature system. The difference between it and the Fahrenheit system are:

  • The freezing point of water in Fahrenheit is 32 degrees, in Celsius it is 0 degrees.
  • The boiling point of water in Fahrenheit is 212 degrees, in Celsius it is 0 degrees.
  • Consequently the difference between freezing and boiling is 180 degrees Fahrenheit (212-32) or 100 degrees Celsius (100-0). This means that 180 degrees change in Fahrenheit is equal to 100 degree change in Celsius, or more simply 1.8 degrees Fahrenheit equals 1.0 degrees celsius.

This gives rise to the following equations to convert between Celsius and Fahrenheit:

  • C = (F - 32) 1.8
  • F = (C x 1.8) + 32

Some common examples are:

  • Freezing = 0 C , 32F
  • Room temperature = 20 C , 68F
  • Normal body temperature = 37 C , 98.6F
  • A very hot day = 40 C , 104F
  • Boiling point of water = 100 C , 212F

 

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