Volumetric flow rate.
Tablespoon per Days to Quarts per Millisecond Converter — tbsp/d to qt/ms
Convert Tablespoon per Days (tbsp/d) to Quart per Millisecond (qt/ms) using the exact conversion factor (1 tablespoon per days = 1.808449e-10 quart per millisecond). See the formula, worked examples, and conversion table.
Tablespoon per Days to Quarts 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 1.71143111e-10 / 0.946352946.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Tablespoon per Days to Quarts per Millisecond
Tablespoon per Days and Quart 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
quarts per millisecond = tablespoon per days × 1.808449e-10
This factor comes from each unit's defined relationship to the category's base unit: 1 tablespoon per days equals 1.711431e-10 base units, and 1 quart per millisecond equals 0.946352946 base units, so dividing one by the other gives the direct tablespoon per days-to-quart per millisecond factor of 1.808449e-10.
Simple example
1 tbsp/d × 1.808449e-10 = 1.808449e-10 qt/ms
1 tablespoon per days = 1.808449e-10 quarts per millisecond.
Real-world example
60 tbsp/d × 1.808449e-10 = 1.085069e-8 qt/ms
60 tablespoon per days = 1.085069e-8 quarts per millisecond.
Conversion table
| Tablespoon per Days (tbsp/d) | Quart per Millisecond (qt/ms) |
|---|---|
| 0.1 tbsp/d | 1.808449e-11 qt/ms |
| 1 tbsp/d | 1.808449e-10 qt/ms |
| 10 tbsp/d | 1.808449e-9 qt/ms |
| 60 tbsp/d | 1.085069e-8 qt/ms |
| 100 tbsp/d | 1.808449e-8 qt/ms |
| 1,000 tbsp/d | 1.808449e-7 qt/ms |
Reverse conversion: Quart per Millisecond to Tablespoon per Days
1.808449e-10 qt/ms × 5529600000 = 0.999999959 tbsp/d
1.808449e-10 quarts per millisecond = 0.999999959 tablespoon per days.
tablespoon per days = quarts per millisecond × 5529600000
For a page dedicated to this direction, see Quart per Millisecond to Tablespoon per Days.
Understanding the Tablespoon per Days (tbsp/d)
Volumetric flow rate.
Understanding the Quart per Millisecond (qt/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quarts per millisecond are in 1 tablespoon per days?
1 tablespoon per days equals 1.808449e-10 quarts per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert tablespoon per days to quart per millisecond?
Multiply the tablespoon per days value by 1.808449e-10. The converter above does this instantly to whatever precision you set.
How do I convert quart per millisecond back to tablespoon per days?
Use the reverse factor: 1 quart per millisecond equals 5,529,600,000 tablespoon per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a tablespoon per days?
Tablespoon per Days (tbsp/d) is a unit of flow rate.
What is a quart per millisecond?
Quart per Millisecond (qt/ms) is a unit of flow rate.
Is the tablespoon per days to quart per millisecond conversion exact?
Yes. Both tablespoon per days and quart per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 1.808449e-10 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.