Formula
Litres to add = tank capacity × (target % − current %) ÷ 100
Gauge limitation
A dashboard fuel gauge is not a laboratory measurement, so the real amount dispensed can differ.
Estimate litres and pounds needed to move a tank from one percentage to another.
The calculation runs on your device. Change any value and calculate again.
A dashboard fuel gauge is not a laboratory measurement, so the real amount dispensed can differ.