Volumetric flow rate.
Teaspoon per Days to Tablespoons per Millisecond Converter — tsp/d to tbsp/ms
Convert Teaspoon per Days (tsp/d) to Tablespoon per Millisecond (tbsp/ms) using the exact conversion factor (1 teaspoon per days = 3.858025e-9 tablespoon per millisecond). See the formula, worked examples, and conversion table.
Teaspoon per Days to Tablespoons per Millisecond 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 / 0.01478676478.
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 Tablespoons per Millisecond
Teaspoon per Days and Tablespoon per Millisecond 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
tablespoons per millisecond = teaspoon per days × 3.858025e-9
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 tablespoon per millisecond equals 0.0147867647812 base units, so dividing one by the other gives the direct teaspoon per days-to-tablespoon per millisecond factor of 3.858025e-9.
Simple example
1 tsp/d × 3.858025e-9 = 3.858025e-9 tbsp/ms
1 teaspoon per days = 3.858025e-9 tablespoons per millisecond.
Real-world example
60 tsp/d × 3.858025e-9 = 2.314815e-7 tbsp/ms
60 teaspoon per days = 2.314815e-7 tablespoons per millisecond.
Conversion table
| Teaspoon per Days (tsp/d) | Tablespoon per Millisecond (tbsp/ms) |
|---|---|
| 0.1 tsp/d | 3.858025e-10 tbsp/ms |
| 1 tsp/d | 3.858025e-9 tbsp/ms |
| 10 tsp/d | 3.858025e-8 tbsp/ms |
| 60 tsp/d | 2.314815e-7 tbsp/ms |
| 100 tsp/d | 3.858025e-7 tbsp/ms |
| 1,000 tsp/d | 0.000003858 tbsp/ms |
Reverse conversion: Tablespoon per Millisecond to Teaspoon per Days
3.858025e-9 tbsp/ms × 259200000 = 1.00000008 tsp/d
3.858025e-9 tablespoons per millisecond = 1.00000008 teaspoon per days.
teaspoon per days = tablespoons per millisecond × 259200000
For a page dedicated to this direction, see Tablespoon per Millisecond to Teaspoon per Days.
Understanding the Teaspoon per Days (tsp/d)
Volumetric flow rate.
Understanding the Tablespoon per Millisecond (tbsp/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many tablespoons per millisecond are in 1 teaspoon per days?
1 teaspoon per days equals 3.858025e-9 tablespoons per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert teaspoon per days to tablespoon per millisecond?
Multiply the teaspoon per days value by 3.858025e-9. The converter above does this instantly to whatever precision you set.
How do I convert tablespoon per millisecond back to teaspoon per days?
Use the reverse factor: 1 tablespoon per millisecond equals 259,200,000 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 tablespoon per millisecond?
Tablespoon per Millisecond (tbsp/ms) is a unit of flow rate.
Is the teaspoon per days to tablespoon per millisecond conversion exact?
Yes. Both teaspoon per days and tablespoon per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 3.858025e-9 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.