Conversions Table | |
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30 Millimeters Of Water to Inches Of Water = 1.1811 | 1,000 Millimeters Of Water to Inches Of Water = 39.3701 |

40 Millimeters Of Water to Inches Of Water = 1.5748 |
10,000 Millimeters Of Water to Inches Of Water = 393.7009 |

## Is 40 mm of rain a lot?

Moderate rain: Greater than 0.5 mm per hour, but less than 4.0 mm per hour. Heavy rain: Greater than 4 mm per hour, but less than 8 mm per hour. Very heavy rain: Greater than 8 mm per hour. … Moderate shower: Greater than 2 mm, but less than 10 mm per hour.

## How many inches is 30 mm of rain?

The answer is **25.4**. We assume you are converting between millimetre and inch. You can view more details on each measurement unit: mm or inches The SI base unit for length is the metre. 1 metre is equal to 1000 mm, or 39.370078740157 inches.

## How many Millimetres are in an inch of rain?

1 inch = **25.4 mm**.

## Is 1 to 2 inches of rain a lot?

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. … One (1.00) inch of rain – A light moderate rain never reaches this amount, heavy rain for several hours (2-5 hours). There would be deep standing water for long periods of time.

## How much is 70 mm of rain in inches?

In 70 mm there are 2.7559055 in . Which is the same to say that 70 millimeters is **2.7559055 inches**.

## What does 10 mm rainfall mean?

10 mm rainfall means that if **rainfall fell on a flat land surface , with no slope ,no evaporation, and no percolation of water I.e. water does not go underground**, then the amount of rainfall would be 10 mm measured from the ground.

## How much is 20 mm of rain in inches?

Moderate rain: Greater than 0.5 mm per hour, but less than 4.0 mm per hour. Heavy rain: Greater than 4 mm per hour, but less than 8 mm per hour.

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How much is 20 mm of rain in inches?

MM | Approximate Size In Inches | Exact Size In Inches |
---|---|---|

20mm | Just short of 13/16 Inch | 0.78740 Inches |

21mm | Little over 13/16 Inch | 0.82677 Inches |

## What size is 30 mm in inches?

30 mm equals **1.181 inches**, or there are 1.181 inches in 30 millimeters.

## What is 100 mm of rain in inches?

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Conversions Table | |
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3 Millimeters Of Water to Inches Of Water = 0.1181 | 90 Millimeters Of Water to Inches Of Water = 3.5433 |

4 Millimeters Of Water to Inches Of Water = 0.1575 | 100 Millimeters Of Water to Inches Of Water = 3.937 |

## Is 4 inches of rain a lot?

Light rainfall is considered less than 0.10 inches of rain per hour. Moderate rainfall measures 0.10 to 0.30 inches of rain per hour. **Heavy** rainfall is more than 0.30 inches of rain per hour. … An inch of rain is exactly that, water that is one inch deep.

## How much water is in an inch of rain?

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.