Volumetric flow rate.
Gallon per Years to Gallon per Days Converter — gal/yr to gal/d
Convert Gallon per Years (gal/yr) to Gallon per Days (gal/d) using the exact conversion factor (1 gallon per years = 0.002737907 gallon per days). See the formula, worked examples, and conversion table.
Gallon per Years to Gallon per Days converter
Converter
Flow Rate Converter
Convert volumetric flow rates across metric, US, imperial, industrial, and scientific units.
Context values
Some unit families need one extra value for a physically accurate result.
Volumetric flow rate.
Result = input x 1.19954924e-10 / 4.38126364e-8.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gallon per Years to Gallon per Days
Gallon per Years and Gallon per Days both measure volumetric flow rate — how much volume passes a point over time — used to size pipes and pumps, monitor river or stream discharge, control industrial processes, and set medical infusion rates. Both are volumetric flow rate units.
Formula
gallon per days = gallon per years × 0.00273790700699
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per years equals 1.199549e-10 base units, and 1 gallon per days equals 4.381264e-8 base units, so dividing one by the other gives the direct gallon per years-to-gallon per days factor of 0.00273790700699.
Simple example
1 gal/yr × 0.002737907007 = 0.002737907 gal/d
1 gallon per years = 0.002737907 gallon per days.
Real-world example
60 gal/yr × 0.002737907007 = 0.1642744204 gal/d
60 gallon per years = 0.1642744204 gallon per days.
Conversion table
| Gallon per Years (gal/yr) | Gallon per Days (gal/d) |
|---|---|
| 0.1 gal/yr | 0.0002737907 gal/d |
| 1 gal/yr | 0.002737907 gal/d |
| 10 gal/yr | 0.0273790701 gal/d |
| 60 gal/yr | 0.1642744204 gal/d |
| 100 gal/yr | 0.2737907007 gal/d |
| 1,000 gal/yr | 2.737907007 gal/d |
Reverse conversion: Gallon per Days to Gallon per Years
0.002737907 gal/d × 365.2425 = 0.9999999974 gal/yr
0.002737907 gallon per days = 0.9999999974 gallon per years.
gallon per years = gallon per days × 365.2425
For a page dedicated to this direction, see Gallon per Days to Gallon per Years.
Understanding the Gallon per Years (gal/yr)
Volumetric flow rate.
Understanding the Gallon per Days (gal/d)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallon per days are in 1 gallon per years?
1 gallon per years equals 0.002737907 gallon per days, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per years to gallon per days?
Multiply the gallon per years value by 0.002737907007. The converter above does this instantly to whatever precision you set.
How do I convert gallon per days back to gallon per years?
Use the reverse factor: 1 gallon per days equals 365.2425 gallon per years. You can also use the swap control in the converter above to flip the direction instantly.
What is a gallon per years?
Gallon per Years (gal/yr) is a unit of flow rate.
What is a gallon per days?
Gallon per Days (gal/d) is a unit of flow rate.
Is the gallon per years to gallon per days conversion exact?
Yes. Both gallon per years and gallon per days are defined by fixed standards rather than physical artifacts, so the factor of 0.002737907007 used above is exact to as many digits as you choose to display.
What's the difference between volumetric and mass flow rate?
Volumetric flow rate measures the volume of fluid passing a point per unit time (for example, liters per second). Mass flow rate measures the mass instead. For a fluid of constant density the two are directly proportional, but for compressible fluids like gases, mass flow is often the more meaningful quantity.