Forecast Betting Calculator

Forecast (exacta) racing payout from two odds and stake.

Please enter valid odds
Please enter valid odds
Please enter a valid stake amount
Results
Number of Bets --
Total Stake --
Combined Odds --
Total Return --
Profit --

How to Use This Calculator

  1. Pick the forecast type — straight (one fixed 1-2 order) or reverse (either order)
  2. Input the odds of your chosen 1st-place horse
  3. Input the odds of your chosen 2nd-place horse
  4. Input your unit stake
  5. Read total stake, combined odds, return and profit

Formula

Combined Odds = Odds₁ × Odds₂

Straight Forecast: 1 bet, total stake = unit stake.

Reverse Forecast: 2 bets (both orders), total stake = 2 × unit stake. Only the correct order wins; payout = unit stake × combined odds.

Frequently Asked Questions

Define a forecast bet.

A forecast (US: exacta) predicts which two horses finish 1st and 2nd. A straight forecast demands the exact order; a reverse forecast covers both orders at double the stake.

Forecast versus each-way?

Each-way is two independent bets (win and place) on one horse. A forecast is a single bet fixing the finishing relationship between two horses. Forecasts pay far more but win less often.

Straight or reverse?

Choose straight when confident which horse wins. Choose reverse when you expect two horses to fill 1st and 2nd but are unsure of order — double the stake covers both outcomes.

Do forecast odds equal the multiplied book odds?

Most UK bookmakers settle on Computer Straight Forecast (CSF) dividends declared by Tote/SP rather than pure multiplied odds. Multiplied odds approximate, but real payouts can vary ±10-20% depending on the field-strength formula.