Earned run average (ERA) 7 Innings is a measure of a pitcher's performance obtained by dividing the total of earned runs allowed by the total of innings pitched and multiplying the result by seven. In baseball statistics, it is the mean of the runs earned that is given up by a pitcher per nine innings pitched. This online ERA 7 Innings calculator is used to calculate the Earned run average 7 Innings with the runs earned and innings pitched.
Runs earned by a team is 300 and innings pitched is 3 and hence the
ERA 7 innings = (300 / 3) x 7 = 700