Ground Outs to Fly Outs Ratio (GO/AO) Calculator (Baseball)

LAST UPDATE: March 8th, 2020

GO/AO Calculator

What are Ground Outs to Fly Outs (GO/AO) Ratio?

GO/AO is a baseball ratio that compares the number of fly outs for each ground out produced by a batter.
It is often used to assess the type of hitter – whether they hit high or low.
It is also used to evaluate pitchers for the same information – whether their pitching style produces low or high hits.
Understanding the type of hits more likely to be generated helps both the offense and defense plan their strategies.
A higher result means that more groundouts are produced (hits are more often low) while a lower result means that more fly outs are produced (hits are high).

How to calculate GO/AO

In Baseball, on GO/AO is calculated as follows:
GO/AO = Ground Outs / Fly Outs


If a batter has produced 140 Ground Outs (GO) and 77 Fly Balls (AO), then:
GO/AO = 140 / 77
GO/AO = 1.82
This batter’s GO/AO ratio is 1.82.

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