Volumetric flow rate.
Gallon per Days to Decaliter per Years Converter — gal/d to daL/yr
Convert Gallon per Days (gal/d) to Decaliter per Years (daL/yr) using the exact conversion factor (1 gallon per days = 138.2593264 decaliter per years). See the formula, worked examples, and conversion table.
Gallon per Days to Decaliter per Years 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 4.38126364e-8 / 3.16887385e-10.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gallon per Days to Decaliter per Years
Gallon per Days and Decaliter per Years 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
decaliter per years = gallon per days × 138.259326352
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per days equals 4.381264e-8 base units, and 1 decaliter per years equals 3.168874e-10 base units, so dividing one by the other gives the direct gallon per days-to-decaliter per years factor of 138.259326352.
Simple example
1 gal/d × 138.2593264 = 138.2593264 daL/yr
1 gallon per days = 138.2593264 decaliter per years.
Real-world example
60 gal/d × 138.2593264 = 8,295.559581 daL/yr
60 gallon per days = 8,295.559581 decaliter per years.
Conversion table
| Gallon per Days (gal/d) | Decaliter per Years (daL/yr) |
|---|---|
| 0.1 gal/d | 13.82593264 daL/yr |
| 1 gal/d | 138.2593264 daL/yr |
| 10 gal/d | 1,382.593264 daL/yr |
| 60 gal/d | 8,295.559581 daL/yr |
| 100 gal/d | 13,825.93264 daL/yr |
| 1,000 gal/d | 138,259.3264 daL/yr |
Reverse conversion: Decaliter per Years to Gallon per Days
138.2593264 daL/yr × 0.007232785132 = 1 gal/d
138.2593264 decaliter per years = 1 gallon per days.
gallon per days = decaliter per years × 0.00723278513202
For a page dedicated to this direction, see Decaliter per Years to Gallon per Days.
Understanding the Gallon per Days (gal/d)
Volumetric flow rate.
Understanding the Decaliter per Years (daL/yr)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decaliter per years are in 1 gallon per days?
1 gallon per days equals 138.2593264 decaliter per years, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per days to decaliter per years?
Multiply the gallon per days value by 138.2593264. The converter above does this instantly to whatever precision you set.
How do I convert decaliter per years back to gallon per days?
Use the reverse factor: 1 decaliter per years equals 0.0072327851 gallon per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a gallon per days?
Gallon per Days (gal/d) is a unit of flow rate.
What is a decaliter per years?
Decaliter per Years (daL/yr) is a unit of flow rate.
Is the gallon per days to decaliter per years conversion exact?
Yes. Both gallon per days and decaliter per years are defined by fixed standards rather than physical artifacts, so the factor of 138.2593264 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.