Compound measure

Density

Density = mass/volume

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Pressure

Pressure = Force/area

Speed

Speed = distance/time

Metric unit conversions: Km→ m

1Km = 1000m

m → cm

1m = 100cm

cm → mm

1cm = 10mm

tones → Kg

1 ton = 1000Kg

Kg → g

1Kg = 1000g

Litres → ml

1l = 1000ml

£ → p

£1 = 100p

Metric to imperial conversions: (the two measurements are equal to each other.)

Kg = pounds

1Kg = 2.2 pounds

Litres = pints

1 litre = 1.75 pints

Litres = gallons

4.5 litres = 1 gallon

Km = miles

8Km = 5 miles

Cm = feet

30cm = 1 foot