Volumetric flow rate.
Teaspoon per Days to Microliter per Years Converter — tsp/d to uL/yr
Convert Teaspoon per Days (tsp/d) to Microliter per Years (uL/yr) using the exact conversion factor (1 teaspoon per days = 1,800,251.645 microliter per years). See the formula, worked examples, and conversion table.
Teaspoon per Days to Microliter 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-17.
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 Microliter per Years
Teaspoon per Days and Microliter 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
microliter per years = teaspoon per days × 1800251.64521
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 microliter per years equals 3.168874e-17 base units, so dividing one by the other gives the direct teaspoon per days-to-microliter per years factor of 1800251.64521.
Simple example
1 tsp/d × 1800251.645 = 1,800,251.645 uL/yr
1 teaspoon per days = 1,800,251.645 microliter per years.
Real-world example
60 tsp/d × 1800251.645 = 108,015,098.7 uL/yr
60 teaspoon per days = 108,015,098.7 microliter per years.
Conversion table
| Teaspoon per Days (tsp/d) | Microliter per Years (uL/yr) |
|---|---|
| 0.1 tsp/d | 180,025.1645 uL/yr |
| 1 tsp/d | 1,800,251.645 uL/yr |
| 10 tsp/d | 18,002,516.45 uL/yr |
| 60 tsp/d | 108,015,098.7 uL/yr |
| 100 tsp/d | 180,025,164.5 uL/yr |
| 1,000 tsp/d | 1,800,251,645 uL/yr |
Reverse conversion: Microliter per Years to Teaspoon per Days
1 uL/yr × 5.554779e-7 = 5.554779e-7 tsp/d
1 microliter per years = 5.554779e-7 teaspoon per days.
teaspoon per days = microliter per years × 5.554779e-7
For a page dedicated to this direction, see Microliter per Years to Teaspoon per Days.
Understanding the Teaspoon per Days (tsp/d)
Volumetric flow rate.
Understanding the Microliter per Years (uL/yr)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many microliter per years are in 1 teaspoon per days?
1 teaspoon per days equals 1,800,251.645 microliter per years, using the exact defined conversion factor rather than an estimate.
How do I convert teaspoon per days to microliter per years?
Multiply the teaspoon per days value by 1800251.645. The converter above does this instantly to whatever precision you set.
How do I convert microliter per years back to teaspoon per days?
Use the reverse factor: 1 microliter per years equals 5.554779e-7 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 microliter per years?
Microliter per Years (uL/yr) is a unit of flow rate.
Is the teaspoon per days to microliter per years conversion exact?
Yes. Both teaspoon per days and microliter per years are defined by fixed standards rather than physical artifacts, so the factor of 1800251.645 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.