Press the left arrow (←) to calculate the distance, height and time of flight from the terminal speed and the backspin/lift factor.

The details of the calculation can be found at statcast AJP article.

The statcast home run data can be found at statcast data.

For comparison, average values plus standard deviation of the terminal speed and backspin/lift factor for 50 home runs from the postseason are listed in the table below.

Postseason (year) | Terminal Speed (mph) | backspin/lift factor |

2015 | 81.5 ± 3.3 | 0.56 ± 0.08 |

2016 | 79.9 ± 3.4 | 0.55 ± 0.09 |

2017 | 82.0 ± 4.3 | 0.55 ± 0.10 |

2018 | 81.0 ± 2.9 | 0.53 ± 0.09 |