Combines win probability at your chosen odds with the fact that stake is not returned on a free play win.

Free Play Value Calculator

Adjust inputs to see updated results.

Table of Contents

How to Use This Calculator

Enter the free play amount and decimal odds you will bet at. The tool computes expected profit from a one-time SNR (stake-not-returned) token.

Free play size

The promotional dollars you must place in one shot (per book rules).

Decimal odds

The line you actually take—often −110 style sides.

Read EV

Output is expected dollars won, not including stake because SNR wins do not return the free-play face.

Compare to cash

Cash bonuses that return stake behave differently—use bonus bet conversion for cash-style promos.

Stake Not Returned

EV ≈ free × (1/d) × (d − 1) = free × win probability × profit-on-win

Win probability uses 1/d at the posted decimal price—fair-prob adjustments can refine this.

Examples

Example 1 — Defaults

Free play $100, decimal 2.00. Win prob 50%, profit on win $100 → EV ≈ $50.

Example 2 — −110 equivalent

Decimal ≈ 1.909. EV ≈ 100 × (1/1.909) × 0.909 ≈ $47.62—plug exact decimal from the ticket.

Example 3 — Long shot

Higher odds raise per-win profit but cut win rate—EV may still rise or fall; test numbers here.

Frequently Asked Questions

You lose the token on most losses and do not get stake back on wins—only profit pays.

Convert to decimal first with our odds tools, then paste.

No—assumes a single qualifying bet. Multi-step rollovers need a spreadsheet.

Those often combine insured cash with free play—model each component separately.

No—it is expected value. One trial can still lose the free play entirely.