Length:
|
1 centimetre |
= |
0.3937 inches |
|
1 inch |
= |
2.54 centimetres |
|
1 metre
|
= |
1.0936 yards |
|
= |
3.2808 feet |
|
|
= |
39.370 inches |
|
|
1 kilometre |
= |
0.6214 miles |
|
1 mile |
= |
1.6093 kilometres |
Area:
|
1 hectare
|
= |
10 000 square metres |
|
= |
0.1 square kilometres |
|
|
= |
2.471 acres |
|
|
= |
11 960 square yards |
|
|
1 acre
|
= |
0.4047 hectares |
|
= |
4 047 square metres |
|
|
= |
4 840 square yards |
|
|
= |
43 450 square feet |
|
|
1 square kilometre
|
= |
0.3861 square miles |
|
= |
100 hectares |
|
|
= |
247.1 acres |
|
|
1 square mile
|
= |
2.5898 square kilometres |
|
= |
254.98 hectares |
|
|
= |
640 acres |
Volume:
|
1 litre
|
= |
1 000 millilitres |
|
= |
61.026 cubic inches |
|
|
= |
0.21998 imperial gallons |
|
|
= |
0.26418 U.S. gallons |
|
|
1 imperial gallon
|
= |
4.5460 litres |
|
= |
1.20096 U.S. gallons |
|
|
1 U.S. gallon
|
= |
0.83267 imperial gallons |
|
= |
3.78528 litres |
|
|
1 U.S. barrel
|
= |
42 U.S. gallons |
|
= |
34.972 imperial gallons |
|
|
= |
0.15899 cubic metres |
Energy:
|
1 kilowatt |
= |
1.3405 horsepower |
|
1 horsepower |
= |
0.746 kilowatts |
|
1 kilojoule
|
= |
0.2389 kilogram calories |
|
= |
0.948 British thermal units (BTU) |
|
|
= |
0.001 megajoules |
|
|
= |
0.00027778 kilowatt hours |
|
|
1 kilowatt hour
|
= |
3 412 British thermal units |
|
= |
1.34 horsepower hours |
|
|
= |
3 600 kilojoules |
|
|
= |
3.6 megajoules |
Prefix table:
|
1012 |
tera |
T |
|
109 |
giga |
G |
|
106 |
mega |
M |
|
103 |
kilo |
k |
|
102 |
hecto |
h |
|
101 |
deca |
da |
Heating Value: (See conversion factors to calculate values in other units)
|
Fuel |
High Heating Value KJ/Kg |
|
Green wood* |
15 000 |
|
Dry wood* |
19 000 |
|
Charcoal |
31 000 |
|
Coke |
30 000 |
|
Bituminous coal |
27 000 |
|
Fuel oil |
44 000 |
|
Kerosene |
46 000 |
|
wood tar |
20 000 |
|
Natural gas |
45 000 |
|
Producer gas |
5 000 |
|
Wood retort gas |
6 000 |
* Influence of moisture on heating value of wood:
Net heating value (MJ/kg) = 19 000 - 220 M where M is moisture content in percentage of total weight.
|
1 cubic metre
|
|
1 000 litres |
|
= |
35.3148 cubic feet |
|
|
= |
1.30795 cubic yards |
|
|
= |
219.97 imperial gallons |
|
|
= |
264.18 U.S. gallons |
|
|
= |
6.290 U.S. barrels |
|
|
1 m³ solid |
= |
750 kg. fuelwood with 40% moisture |
Mass:
|
1 kilogram
|
= |
2.2046-pounds |
|
= |
1 000 grams |
|
|
1 pound
|
= |
453.592 grams |
|
= |
0.4536 kilograms |
|
|
1 ton, English
|
= |
2 240 pounds |
|
= |
1 016.05 kilograms |
|
|
= |
1.01605 tonnes (metric tons) |
|
|
= |
1.12 U.S. tons |
|
|
= |
20 hundred weight (cwt) |
|
|
1 tonne
|
= |
1 000 kilograms |
|
= |
0.98421 tons (English) |
|
|
= |
1.10231 U.S. tons |
|
|
= |
2 204.62 pounds |
|
|
1 U.S. ton
|
= |
2 000 pounds |
|
= |
17.8572 hundred weight (cwt) |
|
|
= |
907.184 kilograms |
|
|
= |
0.907184 tonnes |
|
|
= |
0.89286 tons (English) |
Density:
|
Bulk density of commercial charcoal |
= 250 to 300 kilograms per cubic metre |
|
Approx. weight of a stacked metre (stere) of: |
|
|
- Plantation grown radiata pine (partly seasoned) |
= 550 to 650 kilograms |
|
- Plantation grown Eucalypt wood (partly seasoned) |
= 600 to 700 kilograms |
|
- Medium density tropical hardwood (partly seasoned) |
= 700 to 800 kilograms |
|
- Dense tropical hardwood |
= 900 kilograms |
