Lawn Speed Calculator
It can be difficult to calculate the speed of a lawn using the traditional method which requires a ball to be hit precisely from the South boundary to land exactly on the North boundary. The number of seconds elapsed equals the speed in Plummers. However, it is easy to hit a ball a little short of the far boundary. The table below enables you to find the Plummer speed for any distance between 28 and 35 yards.
It can be difficult to calculate the speed of a lawn using the traditional method which requires a ball to be hit precisely from the South boundary to land exactly on the North boundary. The number of seconds elapsed equals the speed in Plummers. However, it is easy to hit a ball a little short of the far boundary. The table below enables you to find the Plummer speed for any distance between 28 and 35 yards.
- Hit a ball from the South boundary in a northerly direction so that it stops on the north boundary or up to 7 yards short (level with hoop 2 or 3.
- Time how long the ball takes to stop – or use an audio recorder on your phone to record the sound of the hit and call “Stop” when the ball stops.
- Replay the audio and time the delay between hit and stop.
- Measure how far ball travelled. (Hoop 2 is 28 yards and the North boundary is 35 yards).
- Use this chart to read the Plummer Speed. If the ball stopped in 10 seconds and stopped at 31 yards, look down the 10 second column and you will find the speed on the 31 yard line which is 10.6 Plummers.
- Less than 8 is unplayable. 8 to 9 = Slow. 10 = Normal. 11/12 = Fast, 13+ = Very fast
