Gallon (US) per day (GPD)
One US liquid gallon every day. Used for water filters and household water use.
What is a US gallon per day?
- Symbol
- GPD
- Quantity
- Flow Rate
- Unit system
- US customary
- Definition
- One US liquid gallon every day. Used for water filters and household water use.
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8
Common applications
Used in the United States for reverse osmosis filters, household water demand and septic system design.
Gallon (US) per day in other flow rate units
- 1 GPD ≈ 4.381263639e-8 m³/sCubic meter per second
- 1 GPD = 0.000157725491 m³/hCubic meter per hour
- 1 GPD ≈ 0.000002628758183 m³/minCubic meter per minute
- 1 GPD ≈ 0.00004381263639 L/sLiter per second
- 1 GPD ≈ 0.002628758183 L/minLiter per minute
- 1 GPD = 0.157725491 L/hLiter per hour
- 1 GPD ≈ 2.628758183 mL/minMilliliter per minute
- 1 GPD ≈ 0.000001547228652 ft³/sCubic foot per second
- 1 GPD ≈ 0.00009283371914 CFMCubic foot per minute
- 1 GPD ≈ 0.0006944444444 GPMGallon (US) per minute
- 1 GPD ≈ 0.04166666667 GPHGallon (US) per hour
- 1 GPD = 0.000001 MGDMillion gallons (US) per day
- 1 GPD ≈ 0.0005782459615 imp gal/minGallon (imperial) per minute
- 1 GPD ≈ 0.02380952381 bbl/dBarrel (oil) per day
Gallon (US) per day quick reference
| Gallon (US) per day | Liter per minute | Gallon (US) per minute | Cubic meter per second |
|---|---|---|---|
| 1 GPD | ≈ 0.002628758183 L/min | ≈ 0.0006944444444 GPM | ≈ 4.381263639e-8 m³/s |
| 10 GPD | ≈ 0.02628758183 L/min | ≈ 0.006944444444 GPM | ≈ 4.381263639e-7 m³/s |
| 100 GPD | ≈ 0.2628758183 L/min | ≈ 0.06944444444 GPM | ≈ 0.000004381263639 m³/s |
| 1000 GPD | ≈ 2.628758183 L/min | ≈ 0.6944444444 GPM | ≈ 0.00004381263639 m³/s |
Where the US gallon per day fits
The next smaller flow rate unit is the milliliter per minute (mL/min). 1 GPD ≈ 2.628758183 mL/min, and 1 mL/min ≈ 0.3804077554 GPD.
The next larger flow rate unit is the liter per hour (L/h). 1 GPD = 0.157725491 L/h, and 1 L/h ≈ 6.340129257 GPD.
Frequently asked questions
- How many liters per minute are in one US gallon per day?
- One US gallon per day ≈ 0.002628758183 L/min (liters per minute).
- How many US gallons per minute are in one US gallon per day?
- One US gallon per day ≈ 0.0006944444444 GPM (US gallons per minute).
- How many cubic meters per second are in one US gallon per day?
- One US gallon per day ≈ 4.381263639e-8 m³/s (cubic meters per second).