---
title: "ERA Calculator | Baseball Statistics Calculator | XTRAW Tools"
description: "Calculate pitcher ERA (Earned Run Average). Use this free browser-based calculator from XTRAW Tools for batting average, ERA, WHIP, OBP, SLG, OPS, and baseball stat estimates."
url: "https://xtraw.com/calculators/health-fitness-calculators/era-calculator"
date: "2026-05-20T22:54:45+00:00"
language: "en-GB"
---

[Workout Volume Calculator](https://xtraw.com/calculators/health-fitness-calculators/workout-volume-calculator)[Batting Average Calculator](https://xtraw.com/calculators/health-fitness-calculators/batting-average-calculator)

 [![ERA Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/xtraw-era-calculator-360x360.jpg)](https://xtraw.com/images/virtuemart/product/xtraw-era-calculator-360x360.jpg "ERA Calculator from XTRAW Tools")

  new

 [Back to: Health & Fitness Calculators](https://xtraw.com/calculators/health-fitness-calculators "Health & Fitness Calculators")

# ERA Calculator

 Calculate pitcher ERA (Earned Run Average). Use this free browser-based era calculator from XTRAW Tools.

 **ERA Calculator** helps you calculate pitcher ERA (Earned Run Average). Use this free browser-based calculator from XTRAW Tools to compare inputs, estimate results, and plan your next step.

## How to Use the ERA Calculator

1. Enter the required calculator inputs shown in the form.
2. Review the score, stat, percentage, emissions, energy, fuel, flight, transportation, or household assumptions.
3. Run the calculator, then adjust one input at a time to compare scenarios or check your estimate.

## What This Calculator Helps With

Calculate pitcher ERA (Earned Run Average). It is designed for players, coaches, parents, students, league organizers, scorekeepers, sports fans, and recreational athletes who want a fast browser-based estimate before relying on official records, team software, spreadsheets, emissions reports, utility bills, travel data, sustainability platforms, or professional sources.

- Earned Runs (ER): 30
- Innings Pitched (IP): 80

## Common Uses

People use this calculator when they need a quick way to estimate batting, pitching, or on-base baseball statistics from box-score inputs.

- **Measurement:** Use scores, attempts, innings, trips, fuel, energy, distance, or activity inputs to calculate a practical estimate.
- **Project Planning:** Plan team tracking, player comparisons, training goals, household energy reviews, travel choices, or sustainability scenarios.
- **Math Solving:** Check sports percentage, ratio, average, and rate formulas from entered values.

## Formula or Method

ERA = (Earned Runs / Innings Pitched) × 9

## Example

**Example inputs:** Earned Runs (ER): 30; Innings Pitched (IP): 80

**Example result:** Using the default inputs, ERA is 3.38.

## Related Tools

- [Batting Average Calculator](https://xtraw.com/tools/batting-average-calculator)
- [On Base Percentage Calculator](https://xtraw.com/tools/on-base-percentage-calculator)
- [Slugging Percentage Calculator](https://xtraw.com/tools/slugging-percentage-calculator)
- [OPS Calculator](https://xtraw.com/tools/ops-calculator)
- [WHIP Calculator](https://xtraw.com/tools/whip-calculator)

## ERA Calculator FAQ

### Is the ERA Calculator free?

Yes. This calculator is free to use on XTRAW Tools.

### Do I need to create an account?

No. XTRAW tools are designed for browser-based use without requiring an account.

### Are the results exact?

Results may be estimates depending on the inputs, formula, rounding, scoring method, emissions factor, source data, regional assumptions, or purpose of the calculator. Always verify important results before relying on them.

**Disclaimer:** This calculator is provided for general informational, educational, and convenience purposes only. It is not coaching, scouting, medical, health, sports-governing-body, wagering, legal, financial, or professional advice. Sports statistics may differ by league rules, scoring conventions, official records, and calculation methods. Always verify important results with official statistics, league rules, a coach, governing body, or authoritative source before relying on them.

**Related Products** ![Tooltip]()

[![Batting Average Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-batting-average-calculator-360x360_230x230.jpg) Batting Average Calculator](https://xtraw.com/calculators/health-fitness-calculators/batting-average-calculator "Batting Average Calculator")

Calculate baseball/softball batting average from hits and at-bats. Use this free browser-based batting average calculator from XTRAW Tools.

Custom prototype for related products

[![On Base Percentage Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-on-base-percentage-calculator-360x360_230x230.jpg) On Base Percentage Calculator](https://xtraw.com/calculators/health-fitness-calculators/on-base-percentage-calculator "On Base Percentage Calculator")

Calculate OBP (On-Base Percentage) for a baseball batter. Use this free browser-based on base percentage calculator from XTRAW Tools.

Custom prototype for related products

[![Slugging Percentage Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-slugging-percentage-calculator-360x360_230x230.jpg) Slugging Percentage Calculator](https://xtraw.com/calculators/health-fitness-calculators/slugging-percentage-calculator "Slugging Percentage Calculator")

Calculate SLG (Slugging Percentage) for a baseball batter. Use this free browser-based slugging percentage calculator from XTRAW Tools.

Custom prototype for related products

[![OPS Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-ops-calculator-360x360_230x230.jpg) OPS Calculator](https://xtraw.com/calculators/health-fitness-calculators/ops-calculator "OPS Calculator")

Calculate OPS (On-Base Plus Slugging) for a baseball batter. Use this free browser-based ops calculator from XTRAW Tools.

Custom prototype for related products

[![WHIP Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-whip-calculator-360x360_230x230.jpg) WHIP Calculator](https://xtraw.com/calculators/health-fitness-calculators/whip-calculator "WHIP Calculator")

Calculate pitcher WHIP (Walks + Hits per Inning Pitched). Use this free browser-based whip calculator from XTRAW Tools.

Custom prototype for related products

 **Related Categories** ![Tooltip]()[![Calculators category image](https://xtraw.com/images/virtuemart/category/2_calculators.jpg) Calculators](https://xtraw.com/calculators "Calculators")

Custom prototype for related categories

[![Health & Fitness Calculators category image](https://xtraw.com/images/virtuemart/category/16_health_and_fitness_calculators.jpg) Health & Fitness Calculators](https://xtraw.com/calculators/health-fitness-calculators "Health & Fitness Calculators")

Custom prototype for related categories

[![Sports Statistics Calculators category image](https://xtraw.com/images/virtuemart/category/300_sports-statistics-calculators.jpg) Sports Statistics Calculators](https://xtraw.com/calculators/health-fitness-calculators/sports-statistics-calculators "Sports Statistics Calculators")

Custom prototype for related categories

[![Baseball Calculators category image](https://xtraw.com/images/virtuemart/category/303_baseball-calculators.jpg) Baseball Calculators](https://xtraw.com/calculators/health-fitness-calculators/sports-statistics-calculators/baseball-calculators "Baseball Calculators")

Custom prototype for related categories

[![Sports Performance Calculators category image](https://xtraw.com/images/virtuemart/category/299_sports-performance-calculators.jpg) Sports Performance Calculators](https://xtraw.com/calculators/health-fitness-calculators/sports-performance-calculators "Sports Performance Calculators")

Custom prototype for related categories

## Schema

```json
{
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "name": "Home",
            "item": "https://xtraw.com"
        },
        {
            "@type": "ListItem",
            "position": 2,
            "name": "Calculators",
            "item": "https://xtraw.com/calculators"
        },
        {
            "@type": "ListItem",
            "position": 3,
            "name": "Health & Fitness Calculators",
            "item": "https://xtraw.com/calculators/health-fitness-calculators"
        },
        {
            "@type": "ListItem",
            "position": 4,
            "name": "ERA Calculator",
            "item": "https://xtraw.com/calculators/health-fitness-calculators/era-calculator"
        }
    ]
}
```