Convert US barrels per day to US gallons per day
Convert US barrels per day (bbl/d) to US gallons per day (gpd) instantly and accurately.
Conversion Formula
gpd = bbl/d × 42
About US barrels per day
The US barrel per day (bbl/d or bpd) equals 0.158987294928/86400 ≈ 1.840×10⁻⁶ m³/s, the universal unit for crude-oil production, refinery capacity, and petroleum-product supply/demand reporting. Saudi Arabia produces ≈9-10 million bbl/d; global demand is ≈99-102 million bbl/d. All oil-market pricing, OPEC quotas, and EIA reports use bbl/d. 1 bbl/d ≈ 1.840×10⁻⁶ m³/s ≈ 0.15899 m³/d.
About US gallons per day
The US gallon per day (gpd) equals 3.785411784×10⁻³/86400 ≈ 4.381×10⁻⁸ m³/s, the standard unit in US water-utility regulation and residential water-well pump sizing. The US national average residential water use is about 80-100 gpd per person; a reverse-osmosis membrane module is rated in gpd (50-100 gpd for domestic units). 1 US gpd ≈ 4.381×10⁻⁸ m³/s.
Quick Reference Table
| US barrels per day (bbl/d) | US gallons per day (gpd) |
|---|---|
| 1 bbl/d | 42 gpd |
| 2 bbl/d | 84 gpd |
| 5 bbl/d | 210 gpd |
| 10 bbl/d | 420 gpd |
| 25 bbl/d | 1050 gpd |
| 50 bbl/d | 2100 gpd |
| 100 bbl/d | 4200 gpd |