Meters to Douglas sea state
Type a value in m to get it in Douglas instantly.
3Douglas
That's 6.3× as rough as rippled water, while a choppy bay is 1.6× rougher. That is sea state 3: slight.
Convert the other way: Douglas to m
What it means
How rough is that sea?
Significant wave height: the average of the highest third of waves. Single waves can be twice as high.
The math
How to convert m to Douglas
Douglas bands: 3 = 0.5–1.25 m, 4 = 1.25–2.5, 5 = 2.5–4, 6 = 4–6, 7 = 6–9, 8 = 9–14, 9 = over 14 m.
Example: 0.5 m = 3 Douglas.
Every unit
That sea in every unit
Tables
m to Douglas conversion table
| m | Douglas |
|---|---|
| 0 m | 0 Douglas |
| 0.05 m | 1 Douglas |
| 0.1 m | 2 Douglas |
| 0.5 m | 3 Douglas |
| 1.25 m | 4 Douglas |
| 2.5 m | 5 Douglas |
| 4 m | 6 Douglas |
| 6 m | 7 Douglas |
| 9 m | 8 Douglas |
| 14 m | 9 Douglas |
Douglas to m conversion table
| Douglas | m |
|---|---|
| 0 Douglas | 0 m |
| 1 Douglas | 0.05 m |
| 2 Douglas | 0.1 m |
| 3 Douglas | 0.5 m |
| 4 Douglas | 1.25 m |
| 5 Douglas | 2.5 m |
| 6 Douglas | 4 m |
| 7 Douglas | 6 m |
| 8 Douglas | 9 m |
| 9 Douglas | 14 m |
Quick answers
Quick answers
- How many Douglas is 1 m?
- 1 m is 3 Douglas.
- How many Douglas is 10 m?
- 10 m is 8 Douglas.
- How many Douglas is 0.5 m?
- 0.5 m is 3 Douglas.
The units
About these units
Meters (m)
Significant wave height in meters.
Douglas sea state (Douglas)
Sea state 0 (calm, glassy) to 9 (phenomenal).
Keep going