Volumetric flow rate.
Cubic Meter per Days to Imperial gallons per Millisecond Converter — m3/d to imp gal/ms
Convert Cubic Meter per Days (m3/d) to Imperial gallon per Millisecond (imp gal/ms) using the exact conversion factor (1 cubic meter per days = 0.0000025459 imperial gallon per millisecond). See the formula, worked examples, and conversion table.
Cubic Meter per Days to Imperial gallons 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 1.15740741e-5 / 4.54609.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic Meter per Days to Imperial gallons per Millisecond
Cubic Meter per Days and Imperial gallon 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
imperial gallons per millisecond = cubic meter per days × 0.00000254594037383
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic meter per days equals 0.0000115740740741 base units, and 1 imperial gallon per millisecond equals 4.54609 base units, so dividing one by the other gives the direct cubic meter per days-to-imperial gallon per millisecond factor of 0.00000254594037383.
Simple example
1 m3/d × 0.000002545940374 = 0.0000025459 imp gal/ms
1 cubic meter per days = 0.0000025459 imperial gallons per millisecond.
Real-world example
60 m3/d × 0.000002545940374 = 0.0001527564 imp gal/ms
60 cubic meter per days = 0.0001527564 imperial gallons per millisecond.
Conversion table
| Cubic Meter per Days (m3/d) | Imperial gallon per Millisecond (imp gal/ms) |
|---|---|
| 0.1 m3/d | 2.54594e-7 imp gal/ms |
| 1 m3/d | 0.0000025459 imp gal/ms |
| 10 m3/d | 0.0000254594 imp gal/ms |
| 60 m3/d | 0.0001527564 imp gal/ms |
| 100 m3/d | 0.000254594 imp gal/ms |
| 1,000 m3/d | 0.0025459404 imp gal/ms |
Reverse conversion: Imperial gallon per Millisecond to Cubic Meter per Days
0.0000025459 imp gal/ms × 392782.176 = 0.9999841419 m3/d
0.0000025459 imperial gallons per millisecond = 0.9999841419 cubic meter per days.
cubic meter per days = imperial gallons per millisecond × 392782.176
For a page dedicated to this direction, see Imperial gallon per Millisecond to Cubic Meter per Days.
Understanding the Cubic Meter per Days (m3/d)
Volumetric flow rate.
Understanding the Imperial gallon per Millisecond (imp gal/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many imperial gallons per millisecond are in 1 cubic meter per days?
1 cubic meter per days equals 0.0000025459 imperial gallons per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert cubic meter per days to imperial gallon per millisecond?
Multiply the cubic meter per days value by 0.000002545940374. The converter above does this instantly to whatever precision you set.
How do I convert imperial gallon per millisecond back to cubic meter per days?
Use the reverse factor: 1 imperial gallon per millisecond equals 392,782.176 cubic meter per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic meter per days?
Cubic Meter per Days (m3/d) is a unit of flow rate.
What is a imperial gallon per millisecond?
Imperial gallon per Millisecond (imp gal/ms) is a unit of flow rate.
Is the cubic meter per days to imperial gallon per millisecond conversion exact?
Yes. Both cubic meter per days and imperial gallon per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 0.000002545940374 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.