Volumetric flow rate.
Teaspoons per Millisecond to Gallon per Minutes Converter — tsp/ms to gal/min
Convert Teaspoon per Millisecond (tsp/ms) to Gallon per Minutes (gal/min) using the exact conversion factor (1 teaspoon per millisecond = 78.125 gallon per minutes). See the formula, worked examples, conversion table, and common uses.
Teaspoons per Millisecond to Gallon per Minutes 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 0.004928921594 / 6.30901964e-5.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Teaspoons per Millisecond to Gallon per Minutes
Teaspoon per Millisecond and Gallon per Minutes 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
gallon per minutes = teaspoons per millisecond × 78.125
This factor comes from each unit's defined relationship to the category's base unit: 1 teaspoon per millisecond equals 0.00492892159375 base units, and 1 gallon per minutes equals 0.0000630901964 base units, so dividing one by the other gives the direct teaspoon per millisecond-to-gallon per minutes factor of 78.125.
Simple example
1 tsp/ms × 78.125 = 78.125 gal/min
1 teaspoon per millisecond = 78.125 gallon per minutes.
Real-world example
60 tsp/ms × 78.125 = 4,687.5 gal/min
60 teaspoons per millisecond = 4,687.5 gallon per minutes.
Conversion table
| Teaspoon per Millisecond (tsp/ms) | Gallon per Minutes (gal/min) |
|---|---|
| 0.1 tsp/ms | 7.8125 gal/min |
| 1 tsp/ms | 78.125 gal/min |
| 10 tsp/ms | 781.25 gal/min |
| 60 tsp/ms | 4,687.5 gal/min |
| 100 tsp/ms | 7,812.5 gal/min |
| 1,000 tsp/ms | 78,125 gal/min |
Reverse conversion: Gallon per Minutes to Teaspoon per Millisecond
78.125 gal/min × 0.0128 = 1 tsp/ms
78.125 gallon per minutes = 1 teaspoon per millisecond.
teaspoons per millisecond = gallon per minutes × 0.0128
For a page dedicated to this direction, see Gallon per Minutes to Teaspoon per Millisecond.
Understanding the Teaspoon per Millisecond (tsp/ms)
Volumetric flow rate.
Understanding the Gallon per Minutes
Gallon per Minutes (gal/min) measures volumetric flow rate. The standard US unit for pump, plumbing, and irrigation flow-rate specifications. It is classified as a US customary flow-rate unit.
Where it's used: United States (plumbing, pump, and irrigation industry standard)
Uses of the Gallon per Minutes today
- US residential and commercial plumbing fixture flow ratings
- US pump and irrigation system specifications
- US pool and spa filtration system sizing
Gallon per Minutes — sources
- NIST Handbook 44 — General tables of units including US customary flow-rate measures.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallon per minutes are in 1 teaspoon per millisecond?
1 teaspoon per millisecond equals 78.125 gallon per minutes, using the exact defined conversion factor rather than an estimate.
How do I convert teaspoon per millisecond to gallon per minutes?
Multiply the teaspoon per millisecond value by 78.125. The converter above does this instantly to whatever precision you set.
How do I convert gallon per minutes back to teaspoon per millisecond?
Use the reverse factor: 1 gallon per minutes equals 0.0128 teaspoons per millisecond. You can also use the swap control in the converter above to flip the direction instantly.
What is a teaspoon per millisecond?
Teaspoon per Millisecond (tsp/ms) is a unit of flow rate.
What is a gallon per minutes?
Gallon per Minutes (gal/min) measures volumetric flow rate. The standard US unit for pump, plumbing, and irrigation flow-rate specifications. It is classified as a US customary flow-rate unit.
Is the teaspoon per millisecond to gallon per minutes conversion exact?
Yes. Both teaspoon per millisecond and gallon per minutes are defined by fixed standards rather than physical artifacts, so the factor of 78.125 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.