Conversion Tables
GENERAL CONVERSION FORMULAE |
||
|
From |
To |
Multiply
by |
|
inches |
millimetres |
25.4 |
|
millimetres |
inches |
0.0394 |
|
inches |
centimetres |
2.54 |
|
centimetres |
inches |
0.3937 |
|
feet |
metres |
0.3048 |
|
metres |
feet |
3.281 |
|
yards |
metres |
0.9144 |
|
metres |
yards |
1.094 |
|
miles |
kilometres |
1.609 |
|
kilometres |
miles |
0.6214 |
|
sq
inches |
sq
centimetres |
6.452 |
|
sq
centimetres |
sq
inches |
0.155 |
|
sq
metres |
sq
feet |
10.76 |
|
sq
feet |
sq
metres |
0.0929 |
|
sq
yards |
sq
metres |
0.8361 |
|
sq
metres |
sq
yards |
1.196 |
|
sq
miles |
sq
kilometres |
2.589 |
|
sq
kilometres |
sq
miles |
0.3861 |
|
acres |
hectares |
0.4047 |
|
hectares |
acres |
2.471 |
|
cu
inches |
cu
centimetres |
16.39 |
|
cu
centimetres |
cu
inches |
0.06102 |
|
cu
feet |
cu
metres |
0.02832 |
|
cu
metres |
cu
feet |
35.315 |
|
cu
yards |
cu
metres |
0.7646 |
|
cu
metres |
cu
yards |
1.308 |
|
cu
inches |
litres |
0.01639 |
|
litres |
cu
inches |
61.03 |
|
pints |
litres |
0.5682 |
|
litres |
pints |
1.76 |
|
US
pints |
litres |
0.47311 |
|
litres |
US
pints |
2.114 |
|
US
gallon |
liters |
3.785 |
|
gallons |
litres |
4.546 |
|
litres |
US
gallons |
0.2642 |
|
litres |
gallons |
0.22 |
|
grains |
grams |
0.0648 |
|
grams |
grains |
15.43 |
|
ounces |
grams |
28.35 |
|
grams |
ounces |
0.03527 |
|
pounds |
grams |
453.6 |
|
grams |
pounds |
0.002205 |
|
pounds |
kilograms |
0.4536 |
|
kilograms |
pounds |
2.205 |
|
tons |
kilograms |
1016.05 |
|
kilograms |
tons |
0.0009842 |
|
LINEAR
MEASURE |
||
|
From |
To |
Multiply by |
|
inches |
millimetres |
25.4 |
|
millimetres |
inches |
0.0394 |
|
inches |
centimetres |
2.54 |
|
centimetres |
inches |
0.3937 |
|
feet |
metres |
0.3048 |
|
metres |
feet |
3.281 |
|
yards |
metres |
0.9144 |
|
metres |
yards |
1.094 |
|
miles |
kilometres |
1.609 |
|
kilometres |
miles |
0.6214 |
|
nautical
miles |
kilometres |
1.852 |
|
nautical
miles |
miles |
1.150779 |
1 centimetre = 10 mm
1 decimetre = 10 cm
1 metre = 100 cm
1 kilometre = 1,000 m
1 foot = 12 inches
1 yard = 3 feet
1 (statute) mile= 1,760 yards
1 int. nautical mile= 1.150779 miles
|
From |
To |
Multiply by |
|
sq
inches |
sq
millimetres |
645.16 |
|
sq
millimetres |
sq
inches |
0.001550 |
|
sq
inches |
sq
centimetres |
6.452 |
|
sq
centimetres |
sq
inches |
0.155 |
|
sq
feet |
sq
centimetres |
929.03
|
|
sq
centimetres |
sq
feet |
0.001076 |
|
sq
metres |
sq
feet |
10.76 |
|
sq
feet |
sq
metres |
0.0929 |
|
sq
yards |
sq
metres |
0.8361 |
|
sq
metres |
sq
yards |
1.196 |
|
sq
miles |
sq
kilometres |
2.5899 |
|
sq
miles |
hectares
|
0.25899
|
|
hectares
|
sq
miles |
3.8612 |
|
sq
kilometres |
sq
miles |
0.3861 |
|
acres |
sq
metres |
4046.86 |
|
sq
metres |
acres |
0.000247 |
|
acres |
hectares |
0.4047 |
|
hectares |
acres |
2.471 |
1 square foot = 144 sq. in.
1 square yard = 9 sq. ft
1 acre = 4,840 sq. yd
1 square mile =
640 acres
1 square metre = 10,000 sq. cm
1 are = 119.6 sq. yards
1 are = 100 square metres
1 hectare = 100 ares = 2.471 acres
1 square kilometre = 100 hectares
|
From |
To |
Multiply by |
|
cu
inches |
cu
centimetres |
16.39 |
|
cu
centimetres |
cu
inches |
0.06102 |
|
cu
inches: |
cu
decimetres |
16.387 |
|
cu
feet |
cu
metres |
0.02832 |
|
cu
metres |
cu
feet |
35.315 |
|
cu
feet |
cu
inches |
1,728 |
|
cu
feet |
cu
decimetres |
28.316 |
|
cu
yards |
cu
metres |
0.7646 |
|
cu
metres |
cu
yards |
1.308 |
|
cu
inches |
litres |
0.01639 |
|
litres |
cu
inches |
61.03 |
1 cubic metre = 1,000,000 cu. cm
|
From |
To |
Multiply by |
|
fluid
ounce |
litres |
0.0284 |
|
fluid
ounce |
cu
inches |
1.8047 |
|
US
fluid ounce |
litres |
0.0296 |
|
US
fluid ounce |
cu
inches |
1.878 |
|
gills |
litres |
0.1421 |
|
pint |
cu
inches |
34.68 |
|
pints |
litres |
0.568 |
|
litres |
pints |
1.7606 |
|
US
pints |
liters |
0.4731 |
|
liters |
US
pints |
2.114 |
|
US
pints |
cu
inches |
28.88 |
|
cu
inches |
US
pints |
0.0347 |
|
quarts |
litres |
1.136 |
|
US
quarts |
liters |
0.9463 |
|
gallons |
litres |
4.546 |
|
US
gallons |
litres |
3.785 |
|
peck |
litres |
9.092 |
|
bushel |
liters |
36.4 |
|
US
barrels |
cubic
metres |
0.159 |
1 US pint = 16 fluid oz
1 gill = 5 fluid oz
1 pint = 20 fluid oz
1 quart = 2 pints
1 gallon = 4 quarts
1 peck = 2 gallons
1 bushel = 4 pecks
1 centilitre = 10 ml = 0.018 pint
1 decilitre = 10 cl = 0.176 pint
1 litre = 1000 ml = 1.76 pints
1 litre = 1 cubic decimetres
1 decalitre = 10 l = 2.20 gallons
1 hectolitre = 100 l = 2.75 bushels
1 kilolitre = 1,000 l = 3.44 quarters
MASS and WEIGHT
- Commonly used values
|
||
|
From |
To |
Multiply by |
|
grams |
grains |
15.43 |
|
grains |
grams |
0.0648 |
|
ounces |
grams |
28.349 |
|
grams |
ounces |
0.03527 |
|
pounds |
grams |
453.59 |
|
grams |
pounds |
0.002205 |
|
pounds |
kilograms |
0.45359 |
|
kilograms |
pounds |
2.205 |
|
tons |
kilograms |
1016.05 |
|
kilograms |
tons |
0.0009842 |
|
tons |
tonnes
|
1.016 |
|
tonnes
|
tons |
0.9842 |
stones: kilograms = 6.350
quarters: kilograms = 12.700
centals: kilograms = 45.359
hundredweights: kilograms = 50.802
1 milligram = 0.015 grain
1 centigram = 10 mg = 0.154 grain
1 decigram = 100 mg = 1.543 grains
1 gram = 1000 mg = 15.43 grains
1 decagram = 10 g = 5.64 drams
1 hectogram = 100 g = 3.527 ounces
1 kilogram = 1,000 g = 2.205 pounds
1 tonne (metric ton) = 0.9842 (long) ton= 1,000 kg
Force |
||
|
From |
To |
Multiply by |
|
kilonewtons |
pounds
(f) |
224.8 |
|
pounds
(f) |
kilonewtons |
0.004448 |
|
kilonewtons |
tons
(f) |
0.10036 |
|
tons
(f) |
kilonewtons |
9.96401 |
|
kilonewtons |
kilograms
(f) |
102.0
|
|
kilograms
(f) |
kilonewtons |
0.009807 |
Fuel consumption |
||
|
From |
To |
Multiply by |
|
miles/gallon |
kilometres/litre |
0.3539 |
|
kilometres/litre |
miles/gallon |
2.825 |
|
miles/US
gallon |
kilometers/liter |
0.4250 |
|
kilometers/liter |
miles/US
gallon |
2.353 |
|
gallons/mile |
litres/
kilometre |
2.825
|
|
litres/
kilometre |
gallons/mile |
0.3540 |
American Dry Measurements |
||
|
From |
To |
Multiply by |
|
pint |
cu.
in. |
33.60 |
|
pint |
liter |
0.550 |
|
quart |
liters |
1.101 |
|
peck
(8 quarts) |
liters |
8.81 |
|
bushel
(4 pecks) |
liters |
35.3 |
American to Imperial Capacity measurements |
||
|
From
|
To |
Multiply by |
|
US
fluid ounce |
fluid
ounce |
1.0408 |
|
fluid
ounce |
US
fluid ounce |
0.9608 |
|
US
pint |
pint |
0.8327
|
|
pint
|
US
pint |
1.201 |
|
US
gallon |
gallon |
0.8327 |
|
gallon
|
US
gallon |
1.201 |
Velocity |
||
|
From
|
To |
Multiply by |
|
miles/hour |
kilometres/hour
|
1.609
|
|
kilometres/
hour |
miles/hour
|
0.6117 |
|
feet/second |
metres/second
|
0.305
|
|
metres/second
|
feet/second
|
3.279 |
|
feet/minute
|
metres/second
|
0.00508
|
|
metres/
second |
feet/minute
|
196.74 |
|
feet/minute |
metres/minute |
0.305
|
Pressure |
||
|
From |
To |
Multiply by |
|
pounds/in2 |
kilonewtons/m2 |
6.895 |
|
pounds/in2
|
Atmosphere
|
0.0680 |
|
pounds/in2
|
Kilograms/m2
|
9.80665 |
|
Pascal |
pounds/in2 |
14.696
|
|
Pascal
|
feet/second
|
3.279 |
|
Pascal
|
Kilograms/m2
|
703.07 |
|
Kilograms/m2
|
pounds/in2
|
0.001422 |
|
Kilograms/m2
|
Atmosphere
|
9.68X10-5 |
|
Kilograms/m2
|
Pascal
|
9.8067 |
|
Atmosphere |
pounds/in2 |
14.696 |
|
Atmosphere
|
Pascal |
101,325 |
|
Atmosphere
|
Kilograms/m2
|
10,332 |
|
newton/m2 |
pascal
|
1.000
|
|
kilopascal
|
kilonewton/m2
|
1.000
|
Torque |
||
|
From |
To |
Multiply by |
|
Newton
Metres |
Foot
Pound |
0.7376 |
|
Newton
Metres |
Kilogram
Force Metres |
0.1020 |
|
Foot
Pounds |
Newton
Metres |
1.356
|
|
Foot
Pounds |
Kilogram
Force Metres |
0.1383 |
|
Kilogram
Force Metres |
Foot
Pound |
7.233 |
|
Kilogram
Force Metres |
Newton
Metres |
9.807 |
|
Inch
Pound |
Foot
Pound |
12
|
Temperature Conversion |
|
F to C first deduct 32, Multiply by 5 then Divide by 9 |
|
C to F Multiply by 9, Divide by 5, Add 32
|
Power
Horsepower - 745.7 Watts (SI) or 735.5 Watts (Continental Europe)