Wind Speed Conversion Table

Beaufort Wind Scale — km/h · mph · knots

Beaufort Wind Scale — km/h · mph · knots (Forces 1–8)

Beaufort force km/h mph knots
1 1–5 1–3 1–3
2 6–11 4–7 4–6
3 12–19 8–12 7–10
4 20–28 13–18 11–16
5 29–38 19–24 17–21
6 39–49 25–31 22–27
7 50–61 32–38 28–33
8 62–74 39–46 34–40

Tip: the first column is visually color-graded (blue → red) to show increasing Beaufort force