# How to Calculate ERA in Baseball Game

As you know that baseball is a game that is popular and familiar with the world. This game is played in North America. When you play the baseball game, there will be two teams which each team consists of nine pitchers. There is a term which is called as ERA into a baseball game. ERA is an abbreviation of Earned Run Average which is used to measure a pitcher’s effectiveness. The lower ERA is a good ERA in the game. A team which has an ERA under 2 in the game will be safe and it is the good way. There is a formula to calculate ERA in the game to how to calculate ERA. You have to know the formula when you want to play baseball.

### How to Calculate ERA? The Simple Formula for Calculating Earned Run Average (ERA)

How to calculate ERA? There are many simple ways to calculate Earned Run Average in baseball. There are various formulas to calculate ERA, but you can choose one of them. The first formula is ERA= (sum of earned runs/inning pitched) x 9 (6 or 7) based on number per inning in your game. The other formula for calculating ERA is ERA= (Earned Runs/ inning pitched) x 9. For example, ERA= (19 runs/89 innings) x 9, and the ERA is 1.95. Both of the formulas above can be used for calculating Earned Run Average or ERA in the baseball game.

### The Important Things in Calculating ERA

There are several things that you need to consider when you are calculating ERA in your baseball competition. You can change inning format by using several formats such as 9 inning format, 7 inning format, and 6 inning format. These formats can be used to when you are calculating ERA or you want to know how to calculate ERA. The earned runs are a score of runs or the mistakes of pitchers when they are pitching the ball. In the game, each out, it is counted as 1/3 of another inning. Decimal points are used for measuring Earned Run Average or ERA. These are some points that are needed when you are calculating ERA.

### Why Earned Run Average (ERA) Is Important in Baseball Game

Know about how to calculate ERA in baseball game is the important thing when you are a pitcher and you want to play the baseball. The ERA score is used for measuring a pitcher’s ability and the opposing team’s ability. If you know the ERA of your team or your opposing team, you can push your team to be the winner. The lower ERA or the lower number of ERA is the better on the baseball. When you are in the baseball competition, you have to struggle to get the lower ERA because lower number is better.

### The Better ERA in Different Decades in the Baseball Competition

Earned Run Average or ERA has many benefits. One benefit of ERA is know the ability of your team and know ability of opposing team. You can maximize your team when you are in the competition. For different decades, Earned Run Average or ERA is different. Although the way to knowing how to calculate ERA is the same year by year, but the good ERA for many decades is different. The good ERA in the 1900s and 1910s is about 2.00 scores. The score is used for per nine innings. Best Earned Run Average or ERA is 4.00 scores in the 1920s and 1930s. This is the score is high enough in the baseball competition.

1960s the ERA in baseball competition back to the first score, it is about 2.00 scores of earned run in nine innings. The good ERA is 4.00 scores during the baseball game today. This score is considered better in the competition. The different decades have different standards for considering the good ERA. There are several external factors which influence to deciding the standards of good ERA or Earned Run Average. Calculate ERA in the baseball competition is same. External factors make it different. You have to know the factor which makes different ERA for different decades.

### Factors Affecting the Good ERA in Different Decades

The way or formula for calculating ERA is the same formula. Factors which make different decades have the different scores for good ERA are in the explanation below. The first external factor is relievers and starters. The second factor which affects the different ERA in the different decades is DH rule. DH rule means designated hitter rule. Every league has the different rules and each year the designated hitter rule changes. It makes the different ERA scores to be considered as best ERA in the baseball competition even how to calculate ERA uses the same formula.

The other external factor which affects the criteria of good ERA is located. You have to consider about the location when you are in the baseball competition. The last factor which affects the criteria of good ERA is Sabermetric treatment of ERA. These factors which make the good ERA different for different decades help you to know how to calculate ERA. You have to consider about these several factors when you are in the baseball league.

### The Rules of Baseball

After you know how to calculate ERA in baseball, the other important thing that you have to know is the rules in the baseball. The rules are important things that you have to consider because it will lead your team to be a winner. If you breach the rules, your team may have a problem. There are several rules of the baseball league that you have to know. The following explanation will tell you about the rule. It begins with the unwritten rules in the baseball.

First, when you are leading or you are in the wide margin, you do not take bases. Second, you have to run onto the field. It will help your team. Those two rules are unwritten rules that need to be considered when you are playing baseball after you know how to calculate ERA. Several written rules in the baseball that you have to pay an attention may be different for each competition. You have to prepare it.

Calculate ERA in the baseball league is the important thing you have to know. The formula which is used to calculate ERA is (earned runs allowed/innings pitched) x 9. The ERA or Earned Run Average is used to measure the ability of your team and your opposing team. The lower number of ERA is the good ERA. For different decades, ERA has different scores as the good ERA criteria.