Example:
15 nautical mile per US gallon = 7343632.8705 m/m³
1 nautical mile per US gallon = 489575.5247 m/m³ | 1 m/m³ = 0.000002 nautical mile per US gallon
Conversion Steps:
15 × (489.5755247 / 0.001) = 7343632.8705