What does an inch of water mean exactly?

In gardening terms, what does an inch of water mean exactly?

Asked by Beverley on 11th May 2022
Expert Trade Answers
"An inch of water is a 1-inch deep layer of water over the entire soil surface in question. You can make a rain gauge with a straight-sided container, like a used tuna can. … When it’s full to the line, you have your inch of water.

Hereof, What is the volume of 1 inch of water? In short 1cubic foot = 144 cubic inches = 0.62 gallons (for one inch of water) = 2.36 litres."
Answered on 11th May 2022 - Member since Apr 2022 - report
"Volume of rainwater. I hope this has answer your question for you"
Answered on 11th May 2022 - Member since Sep 2021 - report
"It is defined as the pressure exerted by a column of water of 1 inch in height at defined conditions. At a temperature of 4 °C (39.2 °F) pure water has its highest density (1000 kg/m3). At that temperature and assuming the standard acceleration of gravity, 1 inAq is approximately 249.082 pascals."
Answered on 30th Nov 2022 - Member since Nov 2022 - report
"The term an inch of water is a unit of pressure or in gardening terms and an inch of rain.
Hope this helps"
Answered on 11th May 2022 - Member since Jul 2019 - report
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