Metric to Imperial Converter

Amount   Unit Amount   Unit
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Select the units that you want to convert with the drop down boxes and then enter the amount to convert in the box to convert to the other unit.

The Most Commonly Used Conversions

The most commonly sought after conversions are those between imperial units and metric units, especially pounds to kilograms and vice versa as people will usually give their weight in one of these units. Imperial units are still in everyday use for many things in the UK and as American Customary Units they are the standard in the US, the only major nation not to have changed over to metric units.

Conversion Formulae

Conversion formulae for converting kilograms and grams to imperial units and for converting pounds and ounces to metric units are given in the table below.

Kilogram to British Imperial Formulae

  • 1 kilogram = 15,432.3584 grains
  • 1 kilogram = 564.39779 drams
  • 1 kilogram = 35.27399 ounces
  • 1 kilogram = 2.204624 pounds
  • 1 kilogram = 0.157473 stones
  • 1 kilogram = 0.078737 quarters
  • 1 kilogram = 0.019684 hundredweight
  • 1 kilogram = 0.000984207 tons

Kilogram to US Customary Unit Formulae

  • 1 kilogram = 15,432.3584 grains
  • 1 kilogram = 564.39779 drams
  • 1 kilogram = 35.27399 ounces
  • 1 kilogram = 2.204624 pounds
  • 1 kilogram = 0.088185 quarters
  • 1 kilogram = 0.022046 hundredweight
  • 1 kilogram = 0.001102312 tons

For all the smaller units (grains, drams, ounces and pounds) US customary units are the same as British imperial units. For quarters, hudredweight and tons there are differences because the number of pounds in a quarter, hundredweight and ton is different. US tons (short tons) are 2000lb compared with a British ton (long ton) of 2240lb. The US hundredweight is 100lb, with the British hundredweight being 112lb and the US quarter is 25lb compared with the British quarter at 28lb.

Pound to Metric Conversion Formulae

  • 1 pound = 0.00045359237 metric tons
  • 1 pound = 0.45359237 kilograms
  • 1 pound = 453.59237 grams
  • 1 pound = 453,592.37 milligrams

Ounce to Metric Conversion Formulae

  • 1 ounce = 0.0000283495 metric tons
  • 1 ounce = 0.0283495 kilograms
  • 1 ounce = 28.3495 grams
  • 1 ounce = 28,349.5 milligrams

Short Tons, Long Tons & Metric Tons

The US Customary ton is known as the short ton (2000lb) as it is smaller the the British Imperial ton, the long ton, at 2240lb. The metric ton is 1000kg (approx 2205lb) and is larger than the short ton and smaller than the long ton.

Conversion Formulae For Metric & Imperial Tons

  • 1 short ton = 0.9071842 metric tons
  • 1 short ton = 0.8928571 long tons
  • 1 long ton = 1.0160463 metric tons
  • 1 long ton = 1.12 short tons
  • 1 metric ton = 1.1023120 short tons
  • 1 metric ton = 0.9842971 long tons