Volumetric flow rate.
Cubic inch per Seconds to Tablespoon per Hours Converter — in3/s to tbsp/h
Convert Cubic inch per Seconds (in3/s) to Tablespoon per Hours (tbsp/h) using the exact conversion factor (1 cubic inch per seconds = 3,989.61039 tablespoon per hours). See the formula, worked examples, and conversion table.
Cubic inch per Seconds to Tablespoon per Hours 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 1.6387064e-5 / 4.10743466e-9.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic inch per Seconds to Tablespoon per Hours
Cubic inch per Seconds and Tablespoon per Hours 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
tablespoon per hours = cubic inch per seconds × 3989.61038961
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic inch per seconds equals 0.000016387064 base units, and 1 tablespoon per hours equals 4.107435e-9 base units, so dividing one by the other gives the direct cubic inch per seconds-to-tablespoon per hours factor of 3989.61038961.
Simple example
1 in3/s × 3989.61039 = 3,989.61039 tbsp/h
1 cubic inch per seconds = 3,989.61039 tablespoon per hours.
Real-world example
60 in3/s × 3989.61039 = 239,376.6234 tbsp/h
60 cubic inch per seconds = 239,376.6234 tablespoon per hours.
Conversion table
| Cubic inch per Seconds (in3/s) | Tablespoon per Hours (tbsp/h) |
|---|---|
| 0.1 in3/s | 398.961039 tbsp/h |
| 1 in3/s | 3,989.61039 tbsp/h |
| 10 in3/s | 39,896.1039 tbsp/h |
| 60 in3/s | 239,376.6234 tbsp/h |
| 100 in3/s | 398,961.039 tbsp/h |
| 1,000 in3/s | 3,989,610.39 tbsp/h |
Reverse conversion: Tablespoon per Hours to Cubic inch per Seconds
1 tbsp/h × 0.0002506510417 = 0.000250651 in3/s
1 tablespoon per hours = 0.000250651 cubic inch per seconds.
cubic inch per seconds = tablespoon per hours × 0.000250651041667
For a page dedicated to this direction, see Tablespoon per Hours to Cubic inch per Seconds.
Understanding the Cubic inch per Seconds (in3/s)
Volumetric flow rate.
Understanding the Tablespoon per Hours (tbsp/h)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many tablespoon per hours are in 1 cubic inch per seconds?
1 cubic inch per seconds equals 3,989.61039 tablespoon per hours, using the exact defined conversion factor rather than an estimate.
How do I convert cubic inch per seconds to tablespoon per hours?
Multiply the cubic inch per seconds value by 3989.61039. The converter above does this instantly to whatever precision you set.
How do I convert tablespoon per hours back to cubic inch per seconds?
Use the reverse factor: 1 tablespoon per hours equals 0.000250651 cubic inch per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic inch per seconds?
Cubic inch per Seconds (in3/s) is a unit of flow rate.
What is a tablespoon per hours?
Tablespoon per Hours (tbsp/h) is a unit of flow rate.
Is the cubic inch per seconds to tablespoon per hours conversion exact?
Yes. Both cubic inch per seconds and tablespoon per hours are defined by fixed standards rather than physical artifacts, so the factor of 3989.61039 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.