Convert US gallons per day to US barrels per day
Convert US gallons per day (gpd) to US barrels per day (bbl/d) instantly and accurately.
Conversion Formula
bbl/d = gpd × 0.02380952381
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.
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.
Quick Reference Table
| US gallons per day (gpd) | US barrels per day (bbl/d) |
|---|---|
| 1 gpd | 0.0238095 bbl/d |
| 2 gpd | 0.047619 bbl/d |
| 5 gpd | 0.119048 bbl/d |
| 10 gpd | 0.238095 bbl/d |
| 25 gpd | 0.595238 bbl/d |
| 50 gpd | 1.19048 bbl/d |
| 100 gpd | 2.38095 bbl/d |