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Baseball Component ERA (ERC) Calculator

ERC Calculator

4.443

What is Component Era?

ERC is an alternate form of Earned Run Average (ERA) that attempts to create a pitcher’s earned run average from their hits and walks data, as opposed to ERA, which builds its results from the number of runs earned per 9 innings (or 6 or 7 innings depending on the baseball league).

How to Calculate ERC

In Baseball, Component ERA is calculated as:
PTB = (0.89 x ((1.255 x (Hits – Home Runs))) + (4 x Home Runs)) + (0.56 x (Walks + Hit by Pitch – Intentional Base on Balls))
Component ERA = ((((Hits + Walks + Hit by Pitch) x PTB)/(Batters Faced by Pitcher x (Innings Pitched + (Outs (Partial Innings) Pitched / 3))) x 9) – 0.56

Example

If pitcher has the following statistics:
Hits: 190 | Walks: 43 | Strikeouts: 207 | Home Runs: 35 | Batters Hit: 2 | Intentional Walks: 4 | Batters Faced: 670 | Innings Pitched: 202 | Outs Pitched: 1
then:
PTB = (0.89 x ((1.255 x (190 – 35)) + (4 x 35)) + (0.56 x (43 + 2 – 4))
PTB = (0.89 x ((1.255 x 155) + 140) + (0.56 x 41)
PTB = (0.89 x (194.525 + 140)) + 22.96
PTB = (0.89 x 334.525) + 22.96
PTB = 297.72725 + 22.96
PTB = 320.68725
Component ERA = ((((190 + 43 + 2) x 320.68725)/(670 x (202 + (1 / 3))) x 9) – 0.56
Component ERA = (((235 x 320.68725)/(670 x 202.33333333)) x 9) – 0.56
Component ERA = ((75361.50375/135563.333) x 9) – 0.56
Component ERA = (0.55591 x 9) – 0.56
Component ERA = 5.00 – 0.56
Component ERA = 4.44
Therefore, the pitcher’s Component ERA is 4.44.

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