Originally Posted by
EDLB
Easiest would be if beside the 1kg treats 7.760kg of Jet fuel, a table for typical even masses of fuel is given.... you should not get it wrong by orders of magnitude.
1kg doesn't treat 7.760kg of fuel.
As pilot you often use rule of thumb calculations for checking if the number given make any sense.
"You should NOT get it wrong by orders of magnitude." - in your very own words!
You should be "checking if the number given make any sense" - in your very own words!