⚡ Speed
knots to m/s Converter
Convert knots to m/s instantly with a reference conversion table.
Quick answer: To convert knots to m/s, multiply by 0.514444. For example, 1 knots = 0.514444 m/s. Use the calculator below for any value.
knots to m/s
→
Common conversions
| knots | m/s |
|---|
Formula:
How to convert knots to m/s
1
Enter your value
Type the number of knots you want to convert into the left box. The result in m/s appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — m/s to knots. Your current value carries across so you don't have to re-enter anything.
3
About knots and m/s
knots and m/s are common speed measurements.
💡 Did you know?
1 knot = 0.51444 m/s. The fastest surface ships (military) reach 50+ knots = 25.7 m/s. The fastest commercial ships cruise at 25-28 knots = 12.9-14.4 m/s. Submarines cruise at 25-35 knots (faster submerged than on surface, unlike ships).
📊 Common conversions at a glance
| knots | m/s |
|---|---|
| 1 | 0.5144 |
| 5 | 2.572 |
| 10 | 5.144 |
| 15 | 7.717 |
| 20 | 10.29 |
| 25 | 12.86 |
Reviewed for 2026. knots ↔ m/s conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.