Volumetric flow rate.
Teaspoon per Days to Hectoliter per Years Converter — tsp/d to hL/yr
Convert Teaspoon per Days (tsp/d) to Hectoliter per Years (hL/yr) using the exact conversion factor (1 teaspoon per days = 0.0180025165 hectoliter per years). See the formula, worked examples, and conversion table.
Teaspoon per Days to Hectoliter 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 5.70477036e-11 / 3.16887385e-9.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Teaspoon per Days to Hectoliter per Years
Teaspoon per Days and Hectoliter 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
hectoliter per years = teaspoon per days × 0.0180025164521
This factor comes from each unit's defined relationship to the category's base unit: 1 teaspoon per days equals 5.70477e-11 base units, and 1 hectoliter per years equals 3.168874e-9 base units, so dividing one by the other gives the direct teaspoon per days-to-hectoliter per years factor of 0.0180025164521.
Simple example
1 tsp/d × 0.01800251645 = 0.0180025165 hL/yr
1 teaspoon per days = 0.0180025165 hectoliter per years.
Real-world example
60 tsp/d × 0.01800251645 = 1.080150987 hL/yr
60 teaspoon per days = 1.080150987 hectoliter per years.
Conversion table
| Teaspoon per Days (tsp/d) | Hectoliter per Years (hL/yr) |
|---|---|
| 0.1 tsp/d | 0.0018002516 hL/yr |
| 1 tsp/d | 0.0180025165 hL/yr |
| 10 tsp/d | 0.1800251645 hL/yr |
| 60 tsp/d | 1.080150987 hL/yr |
| 100 tsp/d | 1.800251645 hL/yr |
| 1,000 tsp/d | 18.00251645 hL/yr |
Reverse conversion: Hectoliter per Years to Teaspoon per Days
0.0180025165 hL/yr × 55.54778981 = 1.000000003 tsp/d
0.0180025165 hectoliter per years = 1.000000003 teaspoon per days.
teaspoon per days = hectoliter per years × 55.5477898139
For a page dedicated to this direction, see Hectoliter per Years to Teaspoon per Days.
Understanding the Teaspoon per Days (tsp/d)
Volumetric flow rate.
Understanding the Hectoliter per Years (hL/yr)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectoliter per years are in 1 teaspoon per days?
1 teaspoon per days equals 0.0180025165 hectoliter per years, using the exact defined conversion factor rather than an estimate.
How do I convert teaspoon per days to hectoliter per years?
Multiply the teaspoon per days value by 0.01800251645. The converter above does this instantly to whatever precision you set.
How do I convert hectoliter per years back to teaspoon per days?
Use the reverse factor: 1 hectoliter per years equals 55.54778981 teaspoon per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a teaspoon per days?
Teaspoon per Days (tsp/d) is a unit of flow rate.
What is a hectoliter per years?
Hectoliter per Years (hL/yr) is a unit of flow rate.
Is the teaspoon per days to hectoliter per years conversion exact?
Yes. Both teaspoon per days and hectoliter per years are defined by fixed standards rather than physical artifacts, so the factor of 0.01800251645 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.