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## How much is 1 inch of rain in gallons?

Volume and weight

One inch of rain falling on 1 acre of ground is equal to about **27,154 gallons** and weighs about 113 tons. An inch of snow falling evenly on 1 acre of ground is equivalent to about 2,715 gallons of water.

## How much is a half inch of rain?

1**/2 (0.5) of an inch** of rain – A light rain never reaches this amount, moderate rain for 1-2 hours or heavy rain for 30-45 minutes. There would be deep standing water and they would last for long periods of time.

## How many gallons is an inch of water?

One inch of water or rain is equivalent to **623 gallons per 1,000 square feet**.

## How do I convert gallons of water to inches of rain?

**Here is an easy formula:**

- Measure the square footage of the collection area (for example a roof that is 30 feet wide x 50 feet long = 1500 ft
^{2}) - Multiply the area by the amount of rain in inches.
- Multiply that number by 0.623 (that is the quantity of water in gallons one inch deep in one square foot of space)

## How much is an inch of rain?

Rainfall amount is described as the depth of water reaching the ground, typically in inches or millimeters (25 mm equals one inch). An inch of rain is exactly that, water that is one inch deep. One inch of rainfall equals **4.7 gallons of water per square yard** or 22,650 gallons of water per acre!

## How do you measure the amount of rain in a 5 gallon bucket?

**Here’s what you’ll need to do:**

- Measure the diameter of the bucket at the level of the rain. …
- Measure the diameter of the bucket at the bottom in the same way.
- Calculate the average of the two diameters.
- Divide by two to find the average radius.
- Find the average volume of rain = Depth x radius x radius x 3.14.

## How many gallons are in an inch?

The US gallon is defined as **231 cubic inches** (3.785 liters).

## How do you measure inches of water?

Measure **1 inch up from the bottom** and, using a permanent marker, put a line on the inside at that level. Place that can on a level spot in the garden where it will be completely exposed to the rain and/or irrigation. When it’s full to the line, you have your inch of water.