Metric + Imperial Units

Revision notes on metric and imperial units, won't necessarily need to be able to remember for exam but you will have to be able to use the conversions. Also just good for if you are confused or unsure about some of them :)

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  • Created by: Lucy :)
  • Created on: 04-04-13 14:22

Metric Units

1) Length    mm, cm, m, km

2) Area      mm^2, cm^2, m^2, km^2

3) Volume  mm^3, cm^3, m^3, km^3

4) Weight    g, kg, tonnes

5) Speed     km/h, m/s

MEMORISE:

1cm = 10mm                     1 tonne = 1000kg

1m = 100cm                      1 litre = 1000ml

1km = 1000cm                   1 litre = 1000cm^3

1kg = 1000g                      1cm^3 = 1ml

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Imperial Units

1) Length   Inches, feet, yards, miles

2) Area      square inches, square feet, square yards, square miles

3) Volume  cubic inches, cubic feet, gallons, pints

4) Weight  ounces, pounds, stones, tons

5) Speed   mph

IMPERIAL UNIT CONVERSIONS:

1 foot = 12 inches                1 pound = 16 ounces (Oz)

1 yard = 3 feet

1 gallon = 8 pints

1 stone = 14 pounds (lbs)

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Metric - Imperial Conversions

1 kg ≈ 2.2 pounds

1 foot ≈ 30 cm

1 litre ≈ 1.75 pints

1 gallon ≈ 4.5 litres

1 mile ≈ 1.6km or 5 miles ≈ 8km

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