Betting Calculators – your all‑in‑one toolkit for smarter wagering
Welcome to the Smartbetting Betting Calculators hub.
Here you’ll find every numbers‑driven tool you need— neatly grouped on one page—so you can switch from idea to stake in seconds.
What you can do here
| Calculator | What it tells you | Typical use‑case |
|---|---|---|
| Arbitrage Calculator | Required stakes on each outcome and guaranteed profit margin | Lock in a risk‑free return when two books disagree |
| Expected Value Calculator | Long‑run average profit or loss of any single bet | Filter out ‑EV picks and focus on value |
| Odds Converter & Implied Probability | Converts decimal, American and fractional odds + shows built‑in probability | Compare lines across different formats instantly |
| Poisson Distribution Calculator | Probability of any exact score, at‑least or at‑most outcome from a goal expectancy | Price Correct Score and Totals markets yourself |
| Kelly Criterion Calculator | Optimal stake size as a % of bankroll (Full, Half or custom Kelly) | Grow your bankroll efficiently while limiting risk |
Why use calculators instead of gut feel?
- Remove emotion – hard numbers beat hunches every time.
- Save time – change one input and see every output update live.
- Uncover market bias – spot overpriced or under‑priced lines before the odds move.
- Optimise bankroll growth – stake the right amount, not the maximum your balance allows.
How to get the most from this page
- Start with the Odds Converter if the line you’re analysing isn’t in decimal format.
- Run the Expected Value Calculator using your own probability model to see if the bet is +EV.
- Size the stake in the Kelly Criterion Calculator to balance growth versus variance.
- Double‑check niche markets—Correct Score, BTTS, Totals—using the Poisson Calculator.
- Hunt for risk‑free plays whenever two sportsbooks drift apart; confirm stakes with the Arbitrage Calculator.
Tip: Keep the page bookmarked. Whether you’re line‑shopping on desktop or betting live on mobile, every tool loads fast and remembers your last inputs.
Frequently asked questions
Yes. Every tool on this page is completely free to use—no sign‑up required.
Absolutely. Odds Converter, EV and Kelly calculators are universal. Poisson is ideal for any low‑scoring sport (e.g. soccer, hockey). Arbitrage works wherever two‑ or three‑way markets exist.
The maths is exact; the edge comes down to how accurate your probability estimate is. Good data in, good decisions out.
Yes. Update odds or goal expectancy on the fly and the outputs adjust instantly.