Gallon (US)/Hour to Barrel (oil)/Day Converter

Flow Rate Converter

14 units available

Decimals:

From

To

0.571429

1 gph = 0.571429 bbl/d

Formula:

bbl/d = gph × 0.57142858

With your value: 1 gph = 0.57142858 bbl/d

Other Gallon (US)/Hour to Barrel (oil)/Day conversions

2 gph to bbl/d 3 gph to bbl/d 4 gph to bbl/d 5 gph to bbl/d 6 gph to bbl/d 7 gph to bbl/d 8 gph to bbl/d

Gallon (US)/Hour to Barrel (oil)/Day Conversion Table

Gallon (US)/Hour (gph)	Barrel (oil)/Day (bbl/d)
0.5	0.285714
1	0.571429
2	1.142857
5	2.857143
10	5.714286
15	8.571429
20	11.428572
25	14.285715
50	28.571429
100	57.142858
250	142.857145
500	285.71429
1000	571.42858

Barrel (oil)/Day to Gallon (US)/Hour Conversion Table

Barrel (oil)/Day (bbl/d)	Gallon (US)/Hour (gph)
0.5	0.875
1	1.75
2	3.5
5	8.75
10	17.5
15	26.25
20	34.999999
25	43.749999
50	87.499999
100	174.999997
250	437.499993
500	874.999987
1000	1,749.999974

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Gallon (US)/Hour (gph)

Flow Rate

Exact conversion

Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.

Source: ISO 80000, Quantities and units (all parts)

International Organization for Standardization · Reviewed 2026-07-01

Barrel (oil)/Day (bbl/d)

Flow Rate

Exact conversion

Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.

Source: ISO 80000, Quantities and units (all parts)

International Organization for Standardization · Reviewed 2026-07-01

How to Convert Gallon (US)/Hour to Barrel (oil)/Day

To convert from Gallon (US)/Hour (gph) to Barrel (oil)/Day (bbl/d), multiply the value by 0.57142858.

Formula: bbl/d = gph × 0.57142858

Reverse: gph = bbl/d × 1.7499999736

Step-by-Step Example

Start with your value in Gallon (US)/Hour. For example: 5 gph
Multiply by the conversion factor: 5 x 0.57142858
The result is: 2.857143 bbl/d

About Gallon (US)/Hour

The gallon (us)/hour (gph) is a unit of flow rate. One gallon (us)/hour equals 1.051503 × 10^-6 base units. UnitConvertLab converts it against every other flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: flow rate calculations, engineering and science, education.

About Barrel (oil)/Day

The barrel (oil)/day (bbl/d) is a unit of flow rate. One barrel (oil)/day equals 1.840131 × 10^-6 base units. UnitConvertLab converts it against every other flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: flow rate calculations, engineering and science, education.

Frequently Asked Questions

How many Barrel (oil)/Day are in 1 Gallon (US)/Hour?

There are exactly 0.57142858 Barrel (oil)/Day in 1 Gallon (US)/Hour. This means the conversion factor from Gallon (US)/Hour to Barrel (oil)/Day is 0.57142858.

What is the formula to convert Gallon (US)/Hour to Barrel (oil)/Day?

The formula to convert Gallon (US)/Hour to Barrel (oil)/Day is: bbl/d = gph × 0.57142858. For example, to convert 10 Gallon (US)/Hour to Barrel (oil)/Day, you would multiply 10 by 0.57142858.

What is a Gallon (US)/Hour?