Volumetric flow rate.
Deciliter per Seconds to Teaspoon per Years Converter — dL/s to tsp/yr
Convert Deciliter per Seconds (dL/s) to Teaspoon per Years (tsp/yr) using the exact conversion factor (1 deciliter per seconds = 640,240,494.8 teaspoon per years). See the formula, worked examples, and conversion table.
Deciliter per Seconds to Teaspoon 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 0.0001 / 1.56191308e-13.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Deciliter per Seconds to Teaspoon per Years
Deciliter per Seconds and Teaspoon 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
teaspoon per years = deciliter per seconds × 640240494.797
This factor comes from each unit's defined relationship to the category's base unit: 1 deciliter per seconds equals 0.0001 base units, and 1 teaspoon per years equals 1.561913e-13 base units, so dividing one by the other gives the direct deciliter per seconds-to-teaspoon per years factor of 640240494.797.
Simple example
1 dL/s × 640240494.8 = 640,240,494.8 tsp/yr
1 deciliter per seconds = 640,240,494.8 teaspoon per years.
Real-world example
60 dL/s × 640240494.8 = 38,414,429,690 tsp/yr
60 deciliter per seconds = 38,414,429,690 teaspoon per years.
Conversion table
| Deciliter per Seconds (dL/s) | Teaspoon per Years (tsp/yr) |
|---|---|
| 0.1 dL/s | 64,024,049.48 tsp/yr |
| 1 dL/s | 640,240,494.8 tsp/yr |
| 10 dL/s | 6,402,404,948 tsp/yr |
| 60 dL/s | 38,414,429,690 tsp/yr |
| 100 dL/s | 64,024,049,480 tsp/yr |
| 1,000 dL/s | 640,240,494,800 tsp/yr |
Reverse conversion: Teaspoon per Years to Deciliter per Seconds
1 tsp/yr × 1.561913e-9 = 1.561913e-9 dL/s
1 teaspoon per years = 1.561913e-9 deciliter per seconds.
deciliter per seconds = teaspoon per years × 1.561913e-9
For a page dedicated to this direction, see Teaspoon per Years to Deciliter per Seconds.
Understanding the Deciliter per Seconds (dL/s)
Volumetric flow rate.
Understanding the Teaspoon per Years (tsp/yr)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many teaspoon per years are in 1 deciliter per seconds?
1 deciliter per seconds equals 640,240,494.8 teaspoon per years, using the exact defined conversion factor rather than an estimate.
How do I convert deciliter per seconds to teaspoon per years?
Multiply the deciliter per seconds value by 640240494.8. The converter above does this instantly to whatever precision you set.
How do I convert teaspoon per years back to deciliter per seconds?
Use the reverse factor: 1 teaspoon per years equals 1.561913e-9 deciliter per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a deciliter per seconds?
Deciliter per Seconds (dL/s) is a unit of flow rate.
What is a teaspoon per years?
Teaspoon per Years (tsp/yr) is a unit of flow rate.
Is the deciliter per seconds to teaspoon per years conversion exact?
Yes. Both deciliter per seconds and teaspoon per years are defined by fixed standards rather than physical artifacts, so the factor of 640240494.8 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.