Decimeter to Millimeter
1 dm = 100 mm
One decimeter equals 100 millimeters, and one millimeter equals 0.01 decimeters.
Decimeter to Millimeter formula
mm = dm × 100
To convert decimeters to millimeters, multiply the value by 100. One decimeter equals 100 millimeters.
Step-by-step examples
Convert 1 decimeters to millimeters
- 1Start with the value in decimeters: 1 dm.
- 2Multiply by the conversion factor 100.
- 31 × 100 = 100 mm.
Result: 1 dm = 100 mm
Convert 10 decimeters to millimeters
- 1Start with the value in decimeters: 10 dm.
- 2Multiply by the conversion factor 100.
- 310 × 100 = 1,000 mm.
Result: 10 dm = 1,000 mm
Convert 100 decimeters to millimeters
- 1Start with the value in decimeters: 100 dm.
- 2Multiply by the conversion factor 100.
- 3100 × 100 = 10,000 mm.
Result: 100 dm = 10,000 mm
Decimeter to Millimeter conversion table
| Decimeter (dm) | Millimeter (mm) |
|---|---|
| 0.01 | 1 |
| 0.1 | 10 |
| 0.5 | 50 |
| 1 | 100 |
| 2 | 200 |
| 3 | 300 |
| 4 | 400 |
| 5 | 500 |
| 10 | 1,000 |
| 20 | 2,000 |
| 25 | 2,500 |
| 50 | 5,000 |
| 100 | 10,000 |
| 250 | 25,000 |
| 500 | 50,000 |
| 1000 | 100,000 |
Decimeter to Millimeter chart
dm (horizontal) vs mm (vertical)
Batch convert — paste multiple values
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Frequently asked questions
How many millimeters are in a decimeter?
There are 100 millimeters in one decimeter (1 dm = 100 mm).
How do you convert decimeters to millimeters?
To convert decimeters to millimeters, multiply the value by 100. One decimeter equals 100 millimeters.
What is 10 decimeters in millimeters?
10 decimeters equals 1,000 millimeters.
How many decimeters are in a millimeter?
One millimeter equals 0.01 decimeters (1 mm = 0.01 dm).