Unit Converter
Water Flow Rate Calculator
Calculate flow rate per minute and per hour from volume and elapsed minutes.
Formula and usage notes
flow per minute = volume / minutes; flow per hour = flow per minute x 60.
Calculate flow rate per minute and per hour from volume and elapsed minutes.
Practical examples
80 L in 4 minutes is 20 L/min.
Use gallons if both volume and output should be gallons.
Pressure and pipe size affect real flow beyond this average rate.
Frequently asked questions
What inputs does this calculator need?
Volume, Time.
How should I round the result?
Keep extra digits while comparing values, then round for the final decision or report.
Can I reuse the result in another calculation?
Yes, but preserve the original inputs and units so the next calculation stays traceable.