Conversion Tables

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Uniserve - Conversion Tables

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Length - Converting lengths from Imperial to Metric.

Length Imperial Metric

1 inch (in) - = 2.54cm

1 foot (ft) = 12in = 0.3m

1 yard (yd) = 3ft = 0.91m

1 mile (ml) = 1,760yd = 1.60km

1 nautical mile = 1.15ml = 1.85km

1 fathom = 6ft = 1.83m

1 cable = 200yd = 185.3m

Conversion Methods.

Length Multiply by;

Inches to centimetres 2.54

Centimetres to inches 0.39

Inches to millimetres 25.4

Millimetres to inches 0.04

Feet to metres 0.31

Metres to feet 3.28

Yards to metres 0.91

Metres to yards 1.09

Miles to kilometres 1.61

Kilometres to miles 0.62

Area - Converting Area from Imperial to Metric.

Area	Imperial	Metric
1 inch2	-	= 6.45cm2
1 foot2	= 144in2	= 0.09m2
1 yard2	= 9ft2	= 0.84m2
1 acre	= 4,840yd2	= 4,046.86m2
		Or 0.4047ha
1 ml2	640acres	= 259ha

Conversion Methods.

Area	Multiply by;
Square inches to square centimetres	6.45
Square centimetres to square inches	0.15
Square feet to square metres	0.09
Square metres to square feet	10.76
Square yards to square metres	0.84
Square metres to square yards	1.20
Square miles to square kilometres	2.59
Square kilometres to square miles	0.39
Acres to hectares	0.40
Hectares to acres	2.47

Volume – Converting Volume from Imperial to Metric

Volume	Imperial	Metric
1 inch3	-	= 16.39cm3
1 yard3	= 27ft3	= 0.77m3

Capacity – Converting Capacity from Imperial to Metric

Capacity	Imperial	Metric
1 Gill	= 4floz	= 0.15L
1 Pint (pt)	= 4Gills	= 0.57L
1 Quart (qt)	= 3pt	= 1.14L
1 Gallon (gal)	= 8pt	= 4.55L
1 Peck (dry)	= 2gal	= 9.09L
1 Bushel (dry)	= 8gal	= 36.4L

Conversion Methods.

Volume	Multiply by;
Cubic inches to cubic centimetres	16.39
Cubic centimetres to cubic inches	0.06
Cubic feet to cubic metres	0.03
Cubic metres to cubic feet	32.32
Cubic yards to cubic metres	0.76
Cubic metres to cubic yards	1.31
Cubic inches to litres	0.02
Litres to cubic inches	61.03
Gallons to litres	4.55
Litres to gallons	0.22
US gallons to litres	3.79
Litres to US gallons	0.36
Fluid ounces to millilitres	29.57
Millilitres to fluid ounces	0.03

Velocity – Converting Velocity from Imperial to Metric

Velocity	Imperial	Metric
1 Mile per hour	= 1mph	= 1.61km/h
1 Knot	= 1 Nauticalmph	= 1.85km/h

Weight – Converting Weight from Imperial to Metric

Weight (avoirdupois)	Imperial	Metric
1 Grain (gr)	-	= 0.064g
1 Dram	= 27.34gr	= 1.771g
1 Ounce (oz)	= 437.5gr	= 28.35g
1 Pound (lb)	= 16oz	= 0.45kg
1 Stone	= 14 lb	= 6.35kg
1 Quarter	= 2 Stone	= 12.70kg
1 Short CWT	= 100 lb	= 45.36kg
1 Long CWT	= 112 lb	= 50.80kg
1 Short Ton	= 2,000 lb	= 0.91 Tonnes
1 Long Ton	= 2,240 lb	= 1.02 Tonnes

Conversion Methods

Weight	Multiply by;
Ounces to Grams	28.35
Grams to Ounces	0.04
Pounds to Kilograms	0.45
Kilograms to Pounds	2.21
Long Tons to Tonnes	1.02
Tonnes to Long Tons	0.98
Short Tons to Tonnes	0.91
Tonnes to Short Tons	1.10

Temperature Conversion Method

0C = 5/9 (0F – 32)

0F = (0C x 9/5) +32