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Break-even win rate calculator

Minimum win % needed to be profitable at given odds

Calculate the minimum win percentage you need at given odds to break even — and what win rate you need to actually profit.

Break-even win rate %
Win rate for 5% ROI %
Win rate for 10% ROI %

What is break-even win rate?

Every odds price has a break-even win rate — the percentage of bets you need to win just to recoup your stakes. At 2.00 odds you need 50%. At 1.91 (the classic -110 American line) you need 52.4%. At 1.50 you need 66.7%. Most amateur bettors don't realize how high this bar is — that's why they lose. Use Value Bet finder to identify markets where the bookmaker's break-even is lower than your true win rate, and No-vig calculator to see what 'fair' break-even would be without margin.

See also: Value bet finder, Kelly criterion, Closing Line Value

How to use

  1. 1Enter the average odds you bet at.
  2. 2Optionally enter your actual win rate to see your edge or deficit.
  3. 3See the breakeven percentage and the win rate needed for 5%, 10% and 20% ROI.

Example: -110 American (1.91 decimal)

At 1.91 odds, break-even = 100/1.91 = 52.4%. If you hit 53%: tiny profit. If you hit 55%: a strong ~5% ROI. If you hit 60%: rare and elite ~15% ROI. Most published tipsters average 53-55%, despite claims of 60%+ — track CLV via our CLV calculator instead of raw win rate.

When to use

  • Reality-check tipster claims (60%+ at short odds is statistically rare)
  • Set realistic personal targets
  • Compare required hit rates across different odds ranges

Frequently asked questions

What is the Break-even win rate calculator?

Every odds price has a break-even win rate — the percentage of bets you need to win just to recoup your stakes. At 2.00 odds you need 50%.

How does the Break-even win rate calculator work in practice?

At 1.91 odds, break-even = 100/1.91 = 52.4%. If you hit 53%: tiny profit. If you hit 55%: a strong ~5% ROI. If you hit 60%: rare and elite ~15% ROI. Most published tipsters average 53-55%, despite claims of 60%+ — track CLV via our CLV calculator instead of raw win rate.

When should I use the Break-even win rate calculator?

Reality-check tipster claims (60%+ at short odds is statistically rare). Set realistic personal targets. Compare required hit rates across different odds ranges.