Ball Speed to Swing Speed Calculator by Omni

Enter the speed of the ball in miles per hour (mph).
Enter the launch angle of the ball in degrees.

Ball Speed to Swing Speed Conversion Chart

Ball Speed (mph)Estimated Swing Speed (mph)Conversion Equation
10067Swing Speed = Ball Speed / 1.5
10570Swing Speed = Ball Speed / 1.5
11073Swing Speed = Ball Speed / 1.5
11577Swing Speed = Ball Speed / 1.5
12080Swing Speed = Ball Speed / 1.5
12584Swing Speed = Ball Speed / 1.5
13087Swing Speed = Ball Speed / 1.5
13590Swing Speed = Ball Speed / 1.5
14094Swing Speed = Ball Speed / 1.5
14597Swing Speed = Ball Speed / 1.5
150100Swing Speed = Ball Speed / 1.5
155104Swing Speed = Ball Speed / 1.5
160107Swing Speed = Ball Speed / 1.5
165110Swing Speed = Ball Speed / 1.5
170114Swing Speed = Ball Speed / 1.5
175117Swing Speed = Ball Speed / 1.5
180120Swing Speed = Ball Speed / 1.5
185124Swing Speed = Ball Speed / 1.5
190127Swing Speed = Ball Speed / 1.5
195130Swing Speed = Ball Speed / 1.5
200134Swing Speed = Ball Speed / 1.5
205137Swing Speed = Ball Speed / 1.5
210140Swing Speed = Ball Speed / 1.5
215144Swing Speed = Ball Speed / 1.5
220147Swing Speed = Ball Speed / 1.5
225150Swing Speed = Ball Speed / 1.5
230154Swing Speed = Ball Speed / 1.5
235157Swing Speed = Ball Speed / 1.5
240160Swing Speed = Ball Speed / 1.5
245164Swing Speed = Ball Speed / 1.5
250167Swing Speed = Ball Speed / 1.5

Can You Calculate Swing Speed from Ball Speed?

Yes, it’s possible to find swing speed from ball speed in golf, with ball speed being about 1.5 times the swing speed for drivers.

The formula used is:

Swing Speed ≈ Ball Speed ÷ 1.5

If a golfer’s ball speed is measured at 150 mph with a driver:

Swing Speed ≈ 150 mph ÷ 1.5 = 100 mph

Ball Speed to Swing Speed Conversion Formula

The formula for converting ball speed to swing speed is:

Swing Speed = Ball Speed ÷ Smash Factor

The smash factor is the ratio of ball speed to club head speed at impact.

For drivers, it’s typically around 1.5, but it can vary based on the club and the quality of the strike.

Ball speed of 150 mph with a driver (smash factor 1.5): Swing Speed = 150 ÷ 1.5 = 100 mph

Ball speed of 120 mph with a 7-iron (estimated smash factor 1.35): Swing Speed = 120 ÷ 1.35 ≈ 89 mph

Ball Speed vs Swing Speed Chart

ClubSwing Speed (mph)Ball Speed (mph)Typical Smash Factor
Driver1001501.50
3-Wood951401.47
5-Iron901251.39
7-Iron851151.35
Pitching Wedge801051.31

Ball Speed to Swing Speed 7 Iron

For a 7-iron, the smash factor is usually around 1.35.

The formula remains:

Swing Speed = Ball Speed ÷ Smash Factor

Let’s say a golfer achieves a ball speed of 115 mph with their 7-iron:

Swing Speed = 115 mph ÷ 1.35 ≈ 85 mph

This calculation suggests that the golfer’s swing speed with a 7-iron is approximately 85 mph.

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