Saffir–Simpson category to kilometers per hour
Type a value in Saffir–Simpson to get it in km/h instantly.
That's 1.04× as strong as Hurricane Katrina at landfall (2005), while Hurricane Andrew at landfall (1992) is 1.27× stronger. Its wind pushes about 3.1× as hard as the weakest hurricane’s.
Convert the other way: km/h to Saffir–Simpson
What it means
How strong is that storm?
One-minute sustained winds, US National Hurricane Center bands. A category number between two whole ones places the wind within that band.
The math
How to convert Saffir–Simpson to km/h
The categories are wind-speed bands: Cat 1 = 74–95 mph, Cat 2 = 96–110, Cat 3 = 111–129, Cat 4 = 130–156, Cat 5 = 157 mph and up.
Example: Cat 4 Saffir–Simpson = 209.215 km/h.
Every unit
That storm in every unit
Tables
Saffir–Simpson to km/h conversion table
| Saffir–Simpson | km/h |
|---|---|
| TS Saffir–Simpson | 62.7644 km/h |
| Cat 1 Saffir–Simpson | 119.091 km/h |
| Cat 2 Saffir–Simpson | 154.497 km/h |
| Cat 3 Saffir–Simpson | 178.637 km/h |
| Cat 4 Saffir–Simpson | 209.215 km/h |
| Cat 5 Saffir–Simpson | 252.667 km/h |
km/h to Saffir–Simpson conversion table
| km/h | Saffir–Simpson |
|---|---|
| 62.8 km/h | TS Saffir–Simpson |
| 119 km/h | TS Saffir–Simpson |
| 154 km/h | Cat 1 Saffir–Simpson |
| 179 km/h | Cat 3 Saffir–Simpson |
| 209 km/h | Cat 3 Saffir–Simpson |
| 253 km/h | Cat 5 Saffir–Simpson |
Quick answers
Quick answers
- How many km/h is Cat 1 Saffir–Simpson?
- Cat 1 Saffir–Simpson is 119.091 km/h.
- How many km/h is Cat 4 Saffir–Simpson?
- Cat 4 Saffir–Simpson is 209.215 km/h.
The units
About these units
Saffir–Simpson category (Saffir–Simpson)
Categories 1 to 5; TS is a tropical storm, TD a depression.
Kilometers per hour (km/h)
Sustained wind in km/h.
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