Volumetric flow rate.
Imperial gallons per Millisecond to Gallon per Decades Converter — imp gal/ms to gal/decade
Convert Imperial gallon per Millisecond (imp gal/ms) to Gallon per Decades (gal/decade) using the exact conversion factor (1 imperial gallon per millisecond = 378,983,191,500 gallon per decades). See the formula, worked examples, and conversion table.
Imperial gallons per Millisecond to Gallon per Decades 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 4.54609 / 1.19954924e-11.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial gallons per Millisecond to Gallon per Decades
Imperial gallon per Millisecond and Gallon per Decades 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 decades = imperial gallons per millisecond × 378983191536
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial gallon per millisecond equals 4.54609 base units, and 1 gallon per decades equals 1.199549e-11 base units, so dividing one by the other gives the direct imperial gallon per millisecond-to-gallon per decades factor of 378983191536.
Simple example
1 imp gal/ms × 378983191500 = 378,983,191,500 gal/decade
1 imperial gallon per millisecond = 378,983,191,500 gallon per decades.
Real-world example
60 imp gal/ms × 378983191500 = 2.273899e+13 gal/decade
60 imperial gallons per millisecond = 2.273899e+13 gallon per decades.
Conversion table
| Imperial gallon per Millisecond (imp gal/ms) | Gallon per Decades (gal/decade) |
|---|---|
| 0.1 imp gal/ms | 37,898,319,150 gal/decade |
| 1 imp gal/ms | 378,983,191,500 gal/decade |
| 10 imp gal/ms | 3.789832e+12 gal/decade |
| 60 imp gal/ms | 2.273899e+13 gal/decade |
| 100 imp gal/ms | 3.789832e+13 gal/decade |
| 1,000 imp gal/ms | 3.789832e+14 gal/decade |
Reverse conversion: Gallon per Decades to Imperial gallon per Millisecond
1 gal/decade × 2.638639e-12 = 2.638639e-12 imp gal/ms
1 gallon per decades = 2.638639e-12 imperial gallons per millisecond.
imperial gallons per millisecond = gallon per decades × 2.638639e-12
For a page dedicated to this direction, see Gallon per Decades to Imperial gallon per Millisecond.
Understanding the Imperial gallon per Millisecond (imp gal/ms)
Volumetric flow rate.
Understanding the Gallon per Decades (gal/decade)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallon per decades are in 1 imperial gallon per millisecond?
1 imperial gallon per millisecond equals 378,983,191,500 gallon per decades, using the exact defined conversion factor rather than an estimate.
How do I convert imperial gallon per millisecond to gallon per decades?
Multiply the imperial gallon per millisecond value by 378983191500. The converter above does this instantly to whatever precision you set.
How do I convert gallon per decades back to imperial gallon per millisecond?
Use the reverse factor: 1 gallon per decades equals 2.638639e-12 imperial gallons per millisecond. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial gallon per millisecond?
Imperial gallon per Millisecond (imp gal/ms) is a unit of flow rate.
What is a gallon per decades?
Gallon per Decades (gal/decade) is a unit of flow rate.
Is the imperial gallon per millisecond to gallon per decades conversion exact?
Yes. Both imperial gallon per millisecond and gallon per decades are defined by fixed standards rather than physical artifacts, so the factor of 378983191500 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.