A relationship exists between litres and kilograms:
- 1 litre of water weighs, 1 kilogram.
A similar relationship exists between pounds and imperial gallons (IG):
- 1 IG of water, weighs 10 pounds.
To convert from volumes to mass or mass to volumes, you need the Specific Gravity of the fuel:
- The Specific Gravity (SG) shows the relationship between litres and kilograms or between pounds and imperial gallons.
Specific Gravity 0.80 means that a volume of fuel weighs 80% of the equivalent volume of water.
Thus, 855 pounds of fuel has a fuel volume of: 855 lb / 10 / 0.8 = 106.9 lG.
NOTES:
1. Fuel volume is measured in: Imperial Gallons (IG), US Gallons (USG) or litres (l or lt).
2. Fuel mass is measured in:, tonnes (t or ton), kilograms (kg) or pounds (lb).
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