Baseball

Coding tips and build notes by Mahir Faysal, a student web developer in Bangladesh: tested Python, HTML, CSS, JavaScript and PHP tutorials, plus notes from my Next.js and Gemini projects. Sample posts are marked and drafts stay in the admin area.

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How to Calculate ERA in Baseball (Including Partial Innings Like 6.2 IP)

To calculate ERA, multiply a pitcher's earned runs by 9 and divide by innings pitched: ERA = 9 × ER ÷ IP. With partial innings, convert the box-score number first, because .1 means one-third and .2 means two-thirds.

October 23, 2026 · 10 min read · 2 views

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