Volumetric flow rate.
Gallon per Minutes to Teaspoons per Millisecond Converter — gal/min to tsp/ms
Convert Gallon per Minutes (gal/min) to Teaspoon per Millisecond (tsp/ms) using the exact conversion factor (1 gallon per minutes = 0.0128 teaspoon per millisecond). See the formula, worked examples, conversion table, and common uses.
Gallon per Minutes to Teaspoons 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 6.30901964e-5 / 0.004928921594.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gallon per Minutes to Teaspoons per Millisecond
Gallon per Minutes and Teaspoon 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. Gallon per Minutes is most often used for us residential and commercial plumbing fixture flow ratings.
Formula
teaspoons per millisecond = gallon per minutes × 0.0128
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per minutes equals 0.0000630901964 base units, and 1 teaspoon per millisecond equals 0.00492892159375 base units, so dividing one by the other gives the direct gallon per minutes-to-teaspoon per millisecond factor of 0.0128.
Simple example
1 gal/min × 0.0128 = 0.0128 tsp/ms
1 gallon per minutes = 0.0128 teaspoons per millisecond.
Real-world example
60 gal/min × 0.0128 = 0.768 tsp/ms
60 gallon per minutes = 0.768 teaspoons per millisecond.
Conversion table
| Gallon per Minutes (gal/min) | Teaspoon per Millisecond (tsp/ms) |
|---|---|
| 0.1 gal/min | 0.00128 tsp/ms |
| 1 gal/min | 0.0128 tsp/ms |
| 10 gal/min | 0.128 tsp/ms |
| 60 gal/min | 0.768 tsp/ms |
| 100 gal/min | 1.28 tsp/ms |
| 1,000 gal/min | 12.8 tsp/ms |
Reverse conversion: Teaspoon per Millisecond to Gallon per Minutes
0.0128 tsp/ms × 78.125 = 1 gal/min
0.0128 teaspoons per millisecond = 1 gallon per minutes.
gallon per minutes = teaspoons per millisecond × 78.125
For a page dedicated to this direction, see Teaspoon per Millisecond to Gallon per Minutes.
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
Understanding the Teaspoon per Millisecond (tsp/ms)
Volumetric flow rate.
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 teaspoons per millisecond are in 1 gallon per minutes?
1 gallon per minutes equals 0.0128 teaspoons per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per minutes to teaspoon per millisecond?
Multiply the gallon per minutes value by 0.0128. The converter above does this instantly to whatever precision you set.
How do I convert teaspoon per millisecond back to gallon per minutes?
Use the reverse factor: 1 teaspoon per millisecond equals 78.125 gallon per minutes. You can also use the swap control in the converter above to flip the direction instantly.
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.
What is a teaspoon per millisecond?
Teaspoon per Millisecond (tsp/ms) is a unit of flow rate.
Is the gallon per minutes to teaspoon per millisecond conversion exact?
Yes. Both gallon per minutes and teaspoon per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 0.0128 used above is exact to as many digits as you choose to display.
Where is the gallon per minutes still used today?
United States (plumbing, pump, and irrigation industry standard)
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.