Compute fuel economy in MPG or L/100km from distance and fuel used in Rhode Island.
Computes fuel economy in Rhode Island as miles per gallon and liters per 100 km from the distance travelled and fuel used. Track over several tanks for accuracy.
mpg
mpg = distance ÷ fuel; L/100km = 235.2 ÷ mpg
Simple calculation.
Your real-world average over multiple fill-ups is the reliable figure; short trips inflate consumption.
Rates are approximate reference values. Local rates, exemptions and rules can differ, so treat the output as a planning figure only.