So you're wondering about 1 Beaufort in km/h? The short answer: it's somewhere between 1 and 5 kilometers per hour. Officially, they call it "Light Air" or basically "Calm" conditions. You know that barely-there breeze on your face? That's it. Leaves don't even bother rustling. The midpoint works out to about 1.85 km/h if you're being precise, but honestly the range is what matters here — 1 to 5 km/h. The Beaufort scale isn't some perfect mathematical formula. It's more like... an educated guess based on what you see. For force 1, they've settled on 1 to 5 km/h. That translates to 1 to 3 knots, or if you prefer metric, 0.3 to 1.5 m/s. People often grab the midpoint of 3 km/h for quick math, but the scale itself is built around ranges because wind doesn't behave consistently. It's messy like that. Here's the thing about Beaufort 1 — you spot it, not measure it. Smoke drifts slowly. Wind vanes might twitch a bit. Water gets those tiny ripples that look almost like fish scales. You can maybe hear leaves whisper but flags? They just hang there. The scale started as a maritime thing, so the visual cues matter. On land, most people wouldn't even call it wind. It's that faint. Honestly? 1 Beaufort is barely anything. Slower than walking speed — typical stroll is about 5 km/h. Beaufort 2 (6-11 km/h) is when leaves actually start moving. Beaufort 3 (12-19 km/h) lifts dust and scraps of paper. So 1 Beaufort is just... there. You'd only notice if you're really paying attention. Old habits die hard, right? The scale sticks around because you don't need gadgets. For force 1, the sea just looks "rippled" — waves under 0.1 meters. Meteorologists teach it. Sailors use it to make snap judgments. Even modern weather apps toss it in there. It's simple, visual, and works when your anemometer breaks. Yeah, you can — feels like a whisper on your skin. But inside a house or behind a wall? Probably not. Out in the open, you might get a slight cooling effect. It's subtle. Absolutely. Your boat might not go anywhere, but that's the point. Great for beginners or just floating around. Competitive sailors? They'd be bored out of their minds. Here's a dirty trick: multiply the Beaufort number by 3. So 1 becomes 3 km/h — right in the range. For bigger numbers, the formula gets weird: km/h = Beaufort squared times 3.2. For 1 Beaufort that gives about 3.2 km/h. Close enough. Beaufort 0 is dead calm. Nothing. Smoke goes straight up. Beaufort 1? Smoke drifts a little, water gets those tiny ripples. It's the difference between "absolutely nothing" and "barely something."How many km/h is 1 Beaufort
What is the exact wind speed in km/h for Beaufort force 1?
How is 1 Beaufort measured and observed?
What is the Beaufort scale conversion table for km/h?
Beaufort Force
Description
Wind Speed (km/h)
Wind Speed (knots)
0
Calm
0-1
0-1
1
Light Air
1-5
1-3
2
Light Breeze
6-11
4-6
3
Gentle Breeze
12-19
7-10
4
Moderate Breeze
20-28
11-16
5
Fresh Breeze
29-38
17-21
6
Strong Breeze
39-49
22-27
7
Near Gale
50-61
28-33
8
Gale
62-74
34-40
9
Strong Gale
75-88
41-47
10
Storm
89-102
48-55
11
Violent Storm
103-117
56-63
12
Hurricane
118+
64+
How does 1 Beaufort compare to other wind speeds?
Why is the Beaufort scale still used today?
Frequently Asked Questions
Can you feel 1 Beaufort wind?
Is 1 Beaufort safe for sailing?
How do I convert Beaufort to km/h without a calculator?
What is the difference between Beaufort 0 and 1?
Korte Samenvatting
Pacific Northwest Singlehanded Sailing