Sports & Games

ELO Rating Calculator

Lets users plan and decide elo rating instantly with formula, steps and examples — no manual math.

Enter your details

Your result
New rating
1,513

Expected score 36.0%; rating change +13 → 1513.

Rating change
13
Expected score
35.99%

About this calculator

Elo rating: expected score = 1/(1+10^((opp−you)/400)); new rating = old + K×(actual − expected). Beating higher-rated opponents gains more; K-factor controls volatility.

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