Saffir–Simpson category to miles per hour
Type a value in Saffir–Simpson to get it in mph 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: mph 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 mph
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 = 130 mph.
Every unit
That storm in every unit
Tables
Saffir–Simpson to mph conversion table
| Saffir–Simpson | mph |
|---|---|
| TS Saffir–Simpson | 39 mph |
| Cat 1 Saffir–Simpson | 74 mph |
| Cat 2 Saffir–Simpson | 96 mph |
| Cat 3 Saffir–Simpson | 111 mph |
| Cat 4 Saffir–Simpson | 130 mph |
| Cat 5 Saffir–Simpson | 157 mph |
mph to Saffir–Simpson conversion table
| mph | Saffir–Simpson |
|---|---|
| 39 mph | TS Saffir–Simpson |
| 74 mph | Cat 1 Saffir–Simpson |
| 96 mph | Cat 2 Saffir–Simpson |
| 111 mph | Cat 3 Saffir–Simpson |
| 130 mph | Cat 4 Saffir–Simpson |
| 157 mph | Cat 5 Saffir–Simpson |
Quick answers
Quick answers
- How many mph is Cat 1 Saffir–Simpson?
- Cat 1 Saffir–Simpson is 74 mph.
- How many mph is Cat 4 Saffir–Simpson?
- Cat 4 Saffir–Simpson is 130 mph.
The units
About these units
Saffir–Simpson category (Saffir–Simpson)
Categories 1 to 5; TS is a tropical storm, TD a depression.
Miles per hour (mph)
Sustained wind in mph, as US advisories give it.
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