Question

Convert 4 gallons to barrels

Answer 1

1 Gallon [Fluid] = 0.0317460317 Barrel [Fluid]

1 Gallon [Fluid] = 0.0238095238 Barrel [Oil]
1 Gallon [Dry] = 0.03809559265 Barrel [Dry]

so .1269841268 barrels if you talking about fluid