Rain Gauge Volume Calculator
Convert rain gauge depth into collected water volume.
Quick answer: enter your details below and click Calculate Rain Volume — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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How to use
- Enter your values in the fields provided.
- Click Calculate Rain Volume.
- Read the result and adjust an input if you want a different outcome.
About this tool
A rain gauge measures depth, but the water it holds depends on its opening size. Enter the gauge diameter and the measured depth and this tool calculates the collected volume in millilitres.
Frequently asked questions
What do I enter to get a result?
Fill in every field with your own numbers or choices, then run the tool. Empty number fields count as zero, so check them before you trust the output.
Can I reuse this result elsewhere?
Yes. The result is calculated in your browser from the values you entered, so you can copy the numbers into your own notes or plan.