Unit Converter

Petroleum engineering unit conversions with common oilfield units

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Quick Reference

1 bbl = 42 gal
1 bbl = 5.615 ft³
1 ppg = 0.052 psi/ft
1 psi = 6.895 kPa
1 m = 3.281 ft
1 kg/m³ = 0.0624 lb/ft³

Length / Depth

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Common Oilfield Conversions

From To Multiply By
barrels (bbl)gallons (gal)42
barrels (bbl)cubic feet (ft³)5.6146
barrels (bbl)liters (L)158.987
ppgkg/m³119.826
ppglb/ft³7.48052
ppgspecific gravity0.11983
psikPa6.89476
psibar0.06895
feet (ft)meters (m)0.3048
inches (in)millimeters (mm)25.4
ft-lbsN-m1.35582
gpmL/min3.78541
bbl/mingpm42