Anchor Home Terms of Use Site Map Contact Anchor
 
About Anchor Industries Offshore Mooring Marine Lifting and Rigging Standards and Information Links Media Contact Anchor
Local Standards
International Standards
Decimal Equivalents Inch/mm
Glossary of Terms
 

CONVERSION FORMULAE

Linear non-metric to metric
To convert Multiply by
inches into centimetres 2.540
inches into metres 2.540 x 102
inches into millimetres 25.4
feet into metres 0.3048
yards into metres 0.9144
miles into kilometres 1.609344
miles into metres 1609.344
feet into centimetres 30.48


Linear metric to non-metric
To convert Multiply by
millimetres into feet 3.281 x 103
millimetres into inches 0.03937
centimetres into inches 0.3937
metres into feet 3.281
metres into yards 1.09361
kilometres into yards 1093.61
kilometres into miles 0.62137


Area non-metric to metric
To convert Multiply by
sq. inches into sq. centimetres 6.4516
sq. feet into sq. centimetres 929.03
sq. feet into sq. metres 0.092903
sq. yards into sq. metres 0.8361
sq. miles into sq. kilometres 2.58999
sq. miles into hectares 258.999
acres into sq. metres 4046.856
acres into hectares 0.40469


Area metric to non-metric
To convert Multiply by
sq. millimetres into sq. inches 1.550 x 103
sq. centimetres into sq. inches 0.1550
sq. metres into sq. feet 10.7639
sq. metres into sq. yards 1.19599
sq. metres into acres 2.47105 x 104
sq. kilometres into sq. miles 0.3861
sq. kilometres into acres 247.105
hectares into acres 2.47105


Velocity non-metric to metric
To convert Multiply by
miles per hour into kilometers per hour 1.609344
feet per second into metres per second 1.01387
feet per second into centimetres per second 30.48


Velocity metric to non-metric
To convert Multiply by
centimetres per second into feet per second 0.03281
metres per second into feet per minute 196.9
metres per second into feet per second 3.281
kilometres per hour into miles per hour 0.6214


Power non-metric to metric
To convert Multiply by
horsepower into kilowatts 0.7457
horsepower into metric horsepower 1.01387
foot pounds - force per second into kilowatts 0.001356


Power metric to non-metric
To convert Multiply by
kilowatts into horsepower 1.341
metric horsepower into horsepower 0.98632
metric horsepower into foot pounds - force per second 542.48


Force non-metric to metric
To convert Multiply by
pounds force into newtons 4.44822
poundals into newtons 0.138255


Force metric to non-metric
To convert Multiply by
newtons into pounds force 0.2248
newtons into pounds 7.2330


Volume & Capacity non-metric to metric
To convert Multiply by
cu. inches into cu. centimetres 16.3871
cu. inches into litres 0.016387
cu. feet into cu. metres 0.028317
cu. feet into litres 28.32
pints into litres 0.56826
quarts into litres 1.13652
cu. yards into cu. metres 0.7646
UK gallon into litres 4.54609
US gallon into litres 3.7854


Volume & Capacity metric to non-metric
To convert Multiply by
cu. centimetres into cu. inches 0.06102
cu. metres into cu. feet 35.3147
cu. metres into cu. yards 1.30795
litres into cu. inches 61.03
litres into pints 1.7598
litres into quarts 0.8799
litres into UK gallons 0.219976
litres into US gallons 0.264178


Mass non-metric to metric
To convert Multiply by
ounces into grams 28.3495
pounds into grams 453.6
pounds into kilograms 0.4536
tons into kilograms 1016.047
tahils into grams 37.799
kati into kilograms 0.60479
grains into grams 0.0648


Mass metric to non-metric
To convert Multiply by
grams into ounces 0.03527
grams into grains 15.4324
grams into tahil 0.02646
kilograms into pounds 2.2046
kilograms into tons 0.0009842
kilograms into katis 1.653
kilograms into stones 0.1575
kilograms into hundredweights 0.01968


Calculation Formulae
To calculate Multiply
area of triangle base by 1/2 height
area of circle (diameter)2 by 0.7854
area of sector of circle arc by 1/4 diameter
area of square rhombus base by height
area of equaliteral triangle (side)2 by 0.433
area of trapezium height by 1/4 sum of parallel sides
area of ellipse major axis by minor axis x 0.7854
area of parabola containing rectangle by 0
circumference of circle diameter by 3.1416
convex surface of sphere (diameter)2 by 3.1416
surface of cone 1/2 side by perimeter of base + area of f base
solidity of sphere (diameter)3 by 0.5236
volume of cylinder area of base by height
content of cube or prism length by breadth of depth
content of cone height by 1/3 area of base
volume of hexagonal prism (side)2 by height by 2.598