How do you calculate and earned run average?


Question:In baseball the pitchers have an earned run average. How do you caluculate it?

Answers:

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Multiple earned runs allowed by 9 then divide by number if innings pitched. This give you the average number of earned runs the pitcher allows per 9 innings of work.

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Earned Run Average is Earned Runs allowed divided by innings pitched, then multiply that by 9 (because there are 9 innings in a game).

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It's the ratio of innings pitched compared to earned runs allowed per appearence.

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Take the number of earned runs allowed, multiply it by 9, then divide by innings pitched. Unless you're talking about a high school pitcher or something like that, then you multiply the earned runs by 7.

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They earned run average (ERA), is calculated by how many total amount of runs they have given up to date, divded by the total number of innings pitched to date, multipled by 9 innings. For example, if a pitcher has pitched 1 inning for far this year, and given up 3 runs, his ERA = (3 runs/1 inning) * 9 innings = 27.00 ERA.

If he has given up 12 runs, in 24 innings pitched, his ERA = (12/24) * 9 = 4.50 ERA.

Barry Bonds, homerun hero? or Giant douche? u be the judge.?

You multiply the number of innings that are in the game either 6 for little league 7 for babe ruth leagues or 9 for college and above so we will go with major leagues for an example here is the formula:
innings per game is 9 x runs given up divided by the innings that were actually pitched so he ya go


innings runs innings pitched ERA
9 x 18 / 54 = 3.00

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ERA == (earned runs * 9) / innings pitched

If there are partial innings (n.1 or n.2) remember to convert that to a decimal value (.3333 or .6667).

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