Volumetric flow rate.
Milliliter per Days to Metric teaspoon per Years Converter — mL/d to metric tsp/yr
Convert Milliliter per Days (mL/d) to Metric teaspoon per Years (metric tsp/yr) using the exact conversion factor (1 milliliter per days = 73.0485 metric teaspoon per years). See the formula, worked examples, and conversion table.
Milliliter per Days to Metric teaspoon per Years converter
Converter
Flow Rate Converter
Convert volumetric flow rates across metric, US, imperial, industrial, and scientific units.
Volumetric flow rate.
Result = input x 1.15740741e-11 / 1.58443693e-13.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milliliter per Days to Metric teaspoon per Years
Milliliter per Days and Metric 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
metric teaspoon per years = milliliter per days × 73.0485
This factor comes from each unit's defined relationship to the category's base unit: 1 milliliter per days equals 1.157407e-11 base units, and 1 metric teaspoon per years equals 1.584437e-13 base units, so dividing one by the other gives the direct milliliter per days-to-metric teaspoon per years factor of 73.0485.
Simple example
1 mL/d × 73.0485 = 73.0485 metric tsp/yr
1 milliliter per days = 73.0485 metric teaspoon per years.
Real-world example
60 mL/d × 73.0485 = 4,382.91 metric tsp/yr
60 milliliter per days = 4,382.91 metric teaspoon per years.
Conversion table
| Milliliter per Days (mL/d) | Metric teaspoon per Years (metric tsp/yr) |
|---|---|
| 0.1 mL/d | 7.30485 metric tsp/yr |
| 1 mL/d | 73.0485 metric tsp/yr |
| 10 mL/d | 730.485 metric tsp/yr |
| 60 mL/d | 4,382.91 metric tsp/yr |
| 100 mL/d | 7,304.85 metric tsp/yr |
| 1,000 mL/d | 73,048.5 metric tsp/yr |
Reverse conversion: Metric teaspoon per Years to Milliliter per Days
73.0485 metric tsp/yr × 0.01368953503 = 1 mL/d
73.0485 metric teaspoon per years = 1 milliliter per days.
milliliter per days = metric teaspoon per years × 0.0136895350349
For a page dedicated to this direction, see Metric teaspoon per Years to Milliliter per Days.
Understanding the Milliliter per Days (mL/d)
Volumetric flow rate.
Understanding the Metric teaspoon per Years (metric tsp/yr)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many metric teaspoon per years are in 1 milliliter per days?
1 milliliter per days equals 73.0485 metric teaspoon per years, using the exact defined conversion factor rather than an estimate.
How do I convert milliliter per days to metric teaspoon per years?
Multiply the milliliter per days value by 73.0485. The converter above does this instantly to whatever precision you set.
How do I convert metric teaspoon per years back to milliliter per days?
Use the reverse factor: 1 metric teaspoon per years equals 0.013689535 milliliter per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a milliliter per days?
Milliliter per Days (mL/d) is a unit of flow rate.
What is a metric teaspoon per years?
Metric teaspoon per Years (metric tsp/yr) is a unit of flow rate.
Is the milliliter per days to metric teaspoon per years conversion exact?
Yes. Both milliliter per days and metric teaspoon per years are defined by fixed standards rather than physical artifacts, so the factor of 73.0485 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.