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Both calculators run independently — change the inputs on either side to compare results.

Betting Odds Converter

Converts between American, decimal, and fractional betting odds and computes implied probability and potential winnings. Essential for bettors comparing lines across multiple sportsbooks or shopping international markets.

Odds Value

Input Format

Convert To

Stake Amount ($)

Betting Odds

Implied Probability Calculator

Convert decimal or American betting odds into implied probabilities and calculate the bookmaker's total margin (overround). Use it to identify which outcomes are overpriced and assess the book's built-in edge.

Home Team Odds

Away Team Odds

Draw Odds (optional)

Odds Format

Key differences

	Betting Odds Converter	Implied Probability Calculator
Category	Betting Odds	Betting Odds
Inputs required	4	4
Result	Converted odds (+ winnings)	Bookmaker Margin (%)
What it does	Converts between American, decimal, and fractional betting odds and computes implied probability and potential winnings. Essential for bettors comparing lines across multiple sportsbooks or shopping international markets.	Convert decimal or American betting odds into implied probabilities and calculate the bookmaker's total margin (overround). Use it to identify which outcomes are overpriced and assess the book's built-in edge.