Gallon (US)/Hour to Acre-Foot/Day Converter

Flow Rate Converter

14 units available

Decimals:

From

To

7.365320e-5

1 gph = 7.365320e-5 ac·ft/d

Formula:

ac·ft/d = gph × 0.0000736532

With your value: 1 gph = 7.365320e-5 ac·ft/d

Other Gallon (US)/Hour to Acre-Foot/Day conversions

2 gph to ac·ft/d 3 gph to ac·ft/d 4 gph to ac·ft/d 5 gph to ac·ft/d 6 gph to ac·ft/d 7 gph to ac·ft/d 8 gph to ac·ft/d

Gallon (US)/Hour to Acre-Foot/Day Conversion Table

Gallon (US)/Hour (gph)	Acre-Foot/Day (ac·ft/d)
0.5	3.682660e-5
1	7.365320e-5
2	0.000147
5	0.000368
10	0.000737
15	0.001105
20	0.001473
25	0.001841
50	0.003683
100	0.007365
250	0.018413
500	0.036827
1000	0.073653

Acre-Foot/Day to Gallon (US)/Hour Conversion Table

Acre-Foot/Day (ac·ft/d)	Gallon (US)/Hour (gph)
0.5	6,788.571356
1	13,577.142712
2	27,154.285425
5	67,885.713562
10	135,771.427123
15	203,657.140685
20	271,542.854247
25	339,428.567808
50	678,857.135616
100	1,357,714.271233
250	3,394,285.678082
500	6,788,571.356164
1000	13,577,142.712327

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

Acre-Foot/Day (ac·ft/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 Acre-Foot/Day

To convert from Gallon (US)/Hour (gph) to Acre-Foot/Day (ac·ft/d), multiply the value by 7.365320e-5.

Formula: ac·ft/d = gph × 0.0000736532

Reverse: gph = ac·ft/d × 13,577.1427123271

Step-by-Step Example

Start with your value in Gallon (US)/Hour. For example: 5 gph
Multiply by the conversion factor: 5 x 7.365320e-5
The result is: 0.000368 ac·ft/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 Acre-Foot/Day

The acre-foot/day (ac·ft/d) is a unit of flow rate. One acre-foot/day equals 0.01427641 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 Acre-Foot/Day are in 1 Gallon (US)/Hour?

There are exactly 7.365320e-5 Acre-Foot/Day in 1 Gallon (US)/Hour. This means the conversion factor from Gallon (US)/Hour to Acre-Foot/Day is 7.365320e-5.

What is the formula to convert Gallon (US)/Hour to Acre-Foot/Day?

The formula to convert Gallon (US)/Hour to Acre-Foot/Day is: ac·ft/d = gph × 0.0000736532. For example, to convert 10 Gallon (US)/Hour to Acre-Foot/Day, you would multiply 10 by 7.365320e-5.

What is a Gallon (US)/Hour?