Millimeters to inches
Type a value in mm to get it in in instantly.
0.9843in
That's about the same as a heavy day of rain. On a 10 m by 10 m garden that is about 2,500 liters of water.
Convert the other way: in to mm
What it means
How much water is that?
Rain gauges measure depth on level ground. Wind, slope and nearby trees all change what a gauge actually catches.
The math
How to convert mm to in
To convert millimeters to inches, multiply by 0.0393701.
Example: 25 mm × 0.0393701 = 0.984252 in.
In the other direction, 1 in = 25.4 mm.
Every unit
Your rainfall in every unit
Tables
mm to in conversion table
| mm | in |
|---|---|
| 0.5 mm | 0.019685 in |
| 1 mm | 0.0393701 in |
| 2 mm | 0.0787402 in |
| 5 mm | 0.19685 in |
| 10 mm | 0.393701 in |
| 20 mm | 0.787402 in |
| 25 mm | 0.984252 in |
| 50 mm | 1.9685 in |
| 75 mm | 2.95276 in |
| 100 mm | 3.93701 in |
| 200 mm | 7.87402 in |
| 500 mm | 19.685 in |
in to mm conversion table
| in | mm |
|---|---|
| 0.5 in | 12.7 mm |
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 20 in | 508 mm |
| 25 in | 635 mm |
| 50 in | 1,270 mm |
| 75 in | 1,905 mm |
| 100 in | 2,540 mm |
| 200 in | 5,080 mm |
| 500 in | 12,700 mm |
Quick answers
Quick answers
- How many in is 1 mm?
- 1 mm is 0.0393701 in.
- How many in is 10 mm?
- 10 mm is 0.393701 in.
- How many in is 25 mm?
- 25 mm is 0.984252 in.
The units
About these units
Millimeters (mm)
The world standard for rainfall: the depth the water would stand at.
Inches (in)
The US and UK measure, where a quarter-inch of rain is a decent shower.
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