convertimate Hurricane categories

Saffir–Simpson category to meters per second

Type a value in Saffir–Simpson to get it in m/s instantly.

58.12m/s

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.

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 m/s

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 = 58.1152 m/s.

Every unit

That storm in every unit

Tables

Saffir–Simpson to m/s conversion table

Saffir–Simpson to m/s conversion table
Saffir–Simpsonm/s
TS Saffir–Simpson17.4346 m/s
Cat 1 Saffir–Simpson33.081 m/s
Cat 2 Saffir–Simpson42.9158 m/s
Cat 3 Saffir–Simpson49.6214 m/s
Cat 4 Saffir–Simpson58.1152 m/s
Cat 5 Saffir–Simpson70.1853 m/s
m/s to Saffir–Simpson conversion table
m/s to Saffir–Simpson conversion table
m/sSaffir–Simpson
17.4 m/sTD Saffir–Simpson
33.1 m/sCat 1 Saffir–Simpson
42.9 m/sCat 1 Saffir–Simpson
49.6 m/sCat 2 Saffir–Simpson
58.1 m/sCat 3 Saffir–Simpson
70.2 m/sCat 5 Saffir–Simpson

Quick answers

Quick answers

How many m/s is Cat 1 Saffir–Simpson?
Cat 1 Saffir–Simpson is 33.081 m/s.
How many m/s is Cat 4 Saffir–Simpson?
Cat 4 Saffir–Simpson is 58.1152 m/s.

The units

About these units

Saffir–Simpson category (Saffir–Simpson)

Categories 1 to 5; TS is a tropical storm, TD a depression.

Meters per second (m/s)

The SI unit of wind speed.

Learn more about storm units

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