Calculator

Closing Line Value (CLV) Calculator

Track whether your bets beat the closing line — the only honest signal of long-term profitability.

Closing Line Value measures the difference between your bet price and the closing line. Positive CLV is the only reliable signal of long-term profitable sports betting — even your win-loss record can lie.

Your decimal odds
Closing decimal odds
CLV

Read our CLV guide for why this is the most important metric in sports betting.

FAQ

Is this calculator free?

Yes. All our calculators run client-side in your browser. No sign-up, no data sent anywhere, no ads.

Are the calculations accurate?

Yes. We've validated every formula against industry-standard math. The math is the same that pro bettors use.