Bonus Bet Conversion Calculator

American (-110, +250) or decimal odds — hedge stake, locked profit & conversion % in seconds

What is Bonus Bet Conversion?

Pair a free bet at Book A with a cash hedge on the opposite side at Book B. Size the hedge right and you lock the same cash whether the bonus wins or the hedge wins.

Bonus wins pay profit only—the stake stays with the book. That changes hedge math. Enter amount and both legs; get hedge stake, locked profit, and conversion % in your odds format.

Core principle: Bonus bets return winnings only—not the stake. Hedge at another book to lock cash. Example: $100 free bet at 2.10 (+110) hedged at 1.67 (−150) → about $44 guaranteed (44% conversion).

Nhập Chi Tiết Cược

Nhập số tiền cược miễn phí hoặc cược thưởng của bạn
American (+110, +250) or decimal (2.10, 2.50)—either format works.
American (-150, -110) or decimal (1.67, 1.80)—either format works.

Odds can move quickly—place both the free bet and hedge within a few minutes after calculating.

US & Canada: Type the line from your book as -150, +250, or decimal 2.50—no need to change Options first. Matched-betting standard.

Enter American moneyline (-110, +250), decimal (2.10), or fractional (11/10). Placeholders follow your Options format; American lines with +/− always work.

Enter bonus amount and both odds — hedge stake, profit, and conversion % update when you calculate.

Kết Quả Tính Toán

Conversion results

Locked Profit
$0.00
ROI vs 80% target 0%
Setup grade:
Số Tiền Cược Đối Ứng
$0.00
Tỷ lệ chuyển đổi
0.00%
Các bước thực hiện

Place both wagers within a few minutes of each other to reduce line-movement risk.

  1. Cược thưởng

    Đặt cược thưởng với số tiền $0.00 với tỷ lệ cược 0.00

  2. Cược phòng ngừa

    Đặt cược phòng ngừa với số tiền $0.00 với tỷ lệ cược 0.00

  3. Kết quả

    Lợi nhuận đảm bảo là $0.00 bất kể kết quả ra sao

Vui lòng nhập giá trị hợp lệ cho tất cả các trường

Bảng Lãi & Lỗ (Ví dụ Chuyển đổi Cược Thưởng)

Loại cược Số tiền cược Odds If bonus bet wins If hedge bet wins
Cược thưởng $100 2.10 Thắng = $110 Thua = $0
Cược phòng ngừa $66 1.67 Thua = -$66 Thắng = +$44
Lợi nhuận ròng — — $44 $44

Kết quả chuyển đổi: Regardless of outcome, ~$44 guaranteed cash (44% conversion). Hedge stake rounded from $65.87 to $66 for whole-dollar betting.

Best Free Bet Conversion Setups

Shop these before you post. Tighter prices between the two legs mean higher conversion % on the same promo.

✅ Highest conversion rates

  • Heavy favorites: bonus leg around +250 to +400, hedge the opposite side near −300.
  • High-liquidity markets: NFL spreads, NBA moneylines, EPL 1X2 when the promo allows.
  • Cross-book + low vig: free bet at Book A, cash hedge at a sharp/low-juice Book B.

❌ Usually avoid

  • Low-limit player props and micro markets
  • Same-game parlays (hard to hedge cleanly)
  • Alt lines with wide hold between books
  • Books that restrict promo hedging on the same account

Hướng dẫn Chuyển đổi Cược Thưởng

1️⃣ Giải thích Tham số

Số tiền thưởng: Tín dụng cược miễn phí do nền tảng cung cấp

Tỷ lệ cược thưởng: Tỷ lệ cược để đặt cược thưởng

Tỷ lệ cược phòng ngừa: Tỷ lệ cược ngược dùng để phòng ngừa cược thưởng

2️⃣ Mục tiêu chuyển đổi

Tỷ lệ chuyển đổi kỳ vọng: 70% hoặc cao hơn

Ví dụ: $100 tiền thưởng → ít nhất $70 tiền mặt có thể rút

3️⃣ Thực hành tốt nhất

Tìm tỷ lệ cược gần nhau: Chênh lệch tỷ lệ cược nhỏ giữa cược thưởng và cược bảo hiểm dẫn đến tỷ lệ chuyển đổi cao hơn

Chọn thị trường chính: Sử dụng các thị trường thanh khoản như cược thắng/thua với ít hạn chế hơn

Cược bảo hiểm với phí thấp: Reduce bookmaker vig (juice/margin) on the hedge book—tighter lines improve conversion %

Kiểm tra giới hạn cược: Đảm bảo số tiền cược nằm trong giới hạn cho phép

Kiểm tra điều khoản tiền thưởng: Tránh các điều kiện ngăn cản việc rút tiền

Place both bets quickly: Post the free bet and hedge within minutes—line moves between books can shrink conversion or break the lock.

4️⃣ Lưu ý quan trọng

Tiền thắng từ tiền thưởng thường không bao gồm tiền cược, chỉ có tiền thắng

Xác nhận cả hai nhà cái cho phép số tiền cược tương ứng

Điều kiện sử dụng tiền thưởng có thể giới hạn loại thị trường hoặc tỷ lệ cược tối thiểu

Chiến lược tốt nhất là bảo hiểm giữa các nhà cái khác nhau để giảm rủi ro

Watch for palpable errors: books may void obviously wrong lines and break your hedge—see FAQ below.

How the two-bet hedge locks profit

Book A — place the free/bonus bet. Book B — stake real cash on the opposite outcome. Equal-profit sizing means the same net cash whether the bonus leg or hedge leg wins.

Step Book A (bonus) Book B (hedge)
1Free bet at posted odds—
2—Cash stake on opposite side
ResultSame guaranteed profit either way

How Bonus Bet Conversion Math Works

Let B = bonus amount, Oᵦ = decimal odds on the bonus leg, Oₕ = decimal odds on the hedge. If the bonus wins, cash in = B·(Oᵦ − 1) (stake not returned). If the hedge wins, cash in = H·(Oₕ − 1) minus stake H. Set profits equal and solve: hedge stake H = B·(Oᵦ − 1) / Oₕ.

Guaranteed profit = B·(Oᵦ − 1) − H. Conversion rate % = profit ÷ B × 100. Closer prices (smaller gap between Oᵦ and Oₕ) usually yield higher conversion—pros often target 70–80% on large free bets when lines are tight on liquid moneylines.

With bonus decimal O_b, hedge decimal O_h, and bonus amount B:

H = B(Ob − 1)/Oh,   Profit = B(Ob − 1) − H

Conversion rate ={(O_b-1)(O_h-1)}{O_h}× 100\% when using the standard equal-profit hedge.

Worked Example: $100 Free Bet at +110, Hedge at −150

Scenario: $100 free bet at +110 (decimal 2.10) on Team A Over; hedge Under at −150 (decimal 1.67) at another book.

Bonus conversion inputs and outputs
Step Value Note
Bonus win (no stake back)$110100 × (2.10 − 1)
Hedge stake H$66≈ $66 at 1.67 decimal

Bonus win = 100 × (2.10 − 1) = $110. Hedge H = 110 / 1.67 ≈ $66. Guaranteed profit ≈ $44 either way → 44% conversion.

Conversion % & Market Efficiency

Conversion rate = locked profit ÷ bonus amount. It tracks how close your two prices are—not game luck. On a $100 free bet, 70% means about $70 withdrawable cash locked in.

Rule of thumb: on a main-market moneyline, if conversion % is under 65%, shop another hedge book or wait for a tighter line before posting. Pros on large promos often target 70–80% when lines are tight.

Post or pass?

Use conversion % as a go/no-go signal after you enter live odds:

  • 80%+ — Excellent. Post if both books accept your stakes.
  • 70–79% — Strong. Standard target on NFL/NBA moneylines.
  • 55–69% — Fair. Shop lines; consider waiting unless the promo expires soon.
  • <55% — Thin. Long-shot bonus legs or wide hold—usually pass unless terms force a bet.

What Is a Good Bonus Conversion Rate?

Conversion rate depends on how close the two prices are. On a $100 free bet, 70% conversion means ~$70 withdrawable cash locked in. Tight lines on NFL/NBA moneylines often reach 70–80%; long-shot bonus legs with poor hedge prices may fall to 40–50%.

Always read promo terms: minimum odds, eligible markets, expiration, and whether hedging the same account is restricted. Use separate books when possible and confirm bet limits before posting.

Build a Smarter Bonus Conversion Workflow

Compare hedge prices and test arbitrage-style locks when books disagree—sometimes a middle beats thin conversion.

Convert any posted line with our odds converter before entering American or decimal values here.

After locking cash, size discretionary plays with the expected value calculator—bonus conversion is bankroll prep, not a substitute for +EV discipline.

Key Takeaways for Bonus Bet Conversion

Size the hedge with equal-profit math, shop tight lines, and verify limits on both books. Conversion is a bankroll tool—not a license to chase losses. Adults 18+ only; never bet money you cannot afford to lose.

Responsible Gambling

18+ only (21+ in some US states). Promotional betting still involves risk on hedge stakes. Set deposit and time limits; never chase losses with bigger hedges.

Help: BeGambleAware, NCPG (US), GamCare.

See today's AI football predictions →

Frequently Asked Questions

How do betting bonuses and free bets work?

Books hand out sign-up and reload free bets or site credit (often with rollover rules). A winning free bet pays winnings only. Hedge the opposite outcome at another book to lock conversion value.

What is a good bonus bet conversion rate?

On liquid two-way markets, 70–80% conversion on a $100 free bet ($70–$80 locked profit) is strong. 40–50% can happen when the bonus leg is a long shot or the hedge price is poor. Use this calculator to compare lines before you post.

Is bonus bet hedging allowed?

Rules vary by sportsbook and jurisdiction. Many books restrict obvious bonus abuse on the same account; hedging across separate licensed operators is a common industry practice but not universal. Read each site's promo terms and bet responsibly.

How do you calculate hedge amount for a free bet?

Convert both legs to decimal odds. Bonus win amount = B×(Oᵦ−1). Hedge stake H = that win amount ÷ Oₕ. Our calculator applies this automatically for American, decimal, fractional, and other formats.

Which sports and markets are best for bonus conversion?

High-liquidity moneylines and spreads (NFL, NBA, soccer 1X2 when allowed) usually offer the tightest opposing prices. Avoid exotic props with low limits unless promo terms require them.

Does bonus conversion guarantee profit?

When both bets are accepted at the quoted prices and rules allow the wagers, math locks equal profit either way—minus any account fees or partial fills. Line moves, voids, limits, and grading errors are operational risks; confirm stakes before kickoff.

What happens if my bonus or hedge bet is voided or pushed?

A void or push on one leg leaves you exposed on the other—you may win, lose, or break even instead of locking profit. Re-run this calculator with new prices before re-hedging, and check each book's rules for voids (weather, pitcher changes, palpable errors).

Can I hedge a bonus bet at the same sportsbook?

Usually no—most operators prohibit offsetting promo bets on the same account and may void winnings. The standard approach is a free bet at Book A and a cash hedge at Book B. Always read promo T&Cs.

What is a palpable error and how does it affect bonus hedging?

A palpable error is an obviously mispriced line posted by mistake. Books may void those bets after grading, which breaks a hedge lock and can leave you one-sided. If a price looks too good to be true, verify before staking and know each book's void rules.