# Metric conversion - Common metric imperial conversions table Need to know how many feet in a metre?

Or how many centimetres in a foot?

Metric conversion is a subject that can come up time and time again in DIY. In this section you will find a metric/imperial conversion table, along with a metric conversion calculator.

## Area conversions

• imperial
• 1 in2 = 6.45 cm2
• 1 ft2 = 929 cm2
• 1 yd2 = 0.8361 m2
• 1 acre = 4046.85 m2
• metric
• 1 cm2 = 0.155in2
• 1 m2 = 10.764 ft2 (1.196 yards2)
• 1 hectare = 2.471 acres

## Length conversions

• imperial
• 1 inch = 2.54cm
• 1 foot = 30.48cm
• 1 yard = 91.44cm
• 1 mile = 1.61 km (apx)
• metric
• 1mm = 0.0394 inches
• 1cm = 0.39 inches
• 1m = 3.28 feet (1.09 yards)
• 1km = 0.62 miles (1093.6 yards)

## Volume and capacity conversions

• imperial
• 1 ft3 = 28316.74 cm3
• 1 fl oz = 28.413 ml
• 1 pint = 568.3 ml
• 1 gallon = 4.546 litres
• metric
• 1 cm3 = 0.06 inches3
• 1 m3 = 35.31 feet3
• 1 ml = 0.035 fluid ounces
• 1 litre = 1.76 pints

## Weight conversions

• imperial
• 1 ounce = 28.35 gram
• 1 pound = 453.6 gram
• 1 stone = 6.3503 kgs
• 1 hundredweight (cwt) = 50.802 kgs
• 1 long ton = 1.016 tonnes
• metric
• 1 gram = 0.035 ounces
• 1 kg = 2.204 pounds (35.27 oz)
• 1 metric tonne = 0.984 long ton (19.68 hundredweight (cwt))

• imperial
• 18oz = 2mm
• 24oz = 3mm
• 32oz = 4mm
• metric
• 2mm = 18oz
• 3mm = 24oz
• 4mm = 32oz