Free betting widgets for your website

Add a working bankroll calculator, odds converter, parlay or EV calculator, or a live odds table to any page. Paste two lines of code. Free, no API key, no tracking cookies, and it works on mobile. The only ask: keep the attribution link.

Bankroll & Kelly calculator

Kelly and fractional Kelly stake, EV, break-even and unit size. Full version: /bankroll

Embed code

<a class="placebets-widget" data-widget="bankroll" href="https://placebets.ai/bankroll">Bankroll calculator by PlaceBets.ai</a>
<script async src="https://placebets.ai/embed.js"></script>

Plain iframe instead (no script)

Embed code

<iframe src="https://placebets.ai/widget/bankroll" title="Bankroll & Kelly calculator" width="100%" height="520" style="border:0;max-width:640px" loading="lazy"></iframe>
<p><a href="https://placebets.ai/bankroll">Bankroll calculator by PlaceBets.ai</a></p>

Live odds widget

Next games and moneylines from our live board with an 'As of' timestamp. Add data-league="nba" etc. Full version: /odds

Embed code

<a class="placebets-widget" data-widget="odds" data-league="nfl" href="https://placebets.ai/odds">Live odds by PlaceBets.ai</a>
<script async src="https://placebets.ai/embed.js"></script>

Plain iframe instead (no script)

Embed code

<iframe src="https://placebets.ai/widget/odds?league=nfl" title="Live odds widget" width="100%" height="520" style="border:0;max-width:640px" loading="lazy"></iframe>
<p><a href="https://placebets.ai/odds">Live odds by PlaceBets.ai</a></p>

Odds converter

American, decimal, fractional and implied probability. Full version: /odds-converter

Embed code

<a class="placebets-widget" data-widget="odds-converter" href="https://placebets.ai/odds-converter">Odds converter by PlaceBets.ai</a>
<script async src="https://placebets.ai/embed.js"></script>

Plain iframe instead (no script)

Embed code

<iframe src="https://placebets.ai/widget/odds-converter" title="Odds converter" width="100%" height="360" style="border:0;max-width:640px" loading="lazy"></iframe>
<p><a href="https://placebets.ai/odds-converter">Odds converter by PlaceBets.ai</a></p>

Parlay calculator

Up to 12 legs with payout and implied hit rate. Full version: /parlay-calculator

Embed code

<a class="placebets-widget" data-widget="parlay" href="https://placebets.ai/parlay-calculator">Parlay calculator by PlaceBets.ai</a>
<script async src="https://placebets.ai/embed.js"></script>

Plain iframe instead (no script)

Embed code

<iframe src="https://placebets.ai/widget/parlay" title="Parlay calculator" width="100%" height="460" style="border:0;max-width:640px" loading="lazy"></iframe>
<p><a href="https://placebets.ai/parlay-calculator">Parlay calculator by PlaceBets.ai</a></p>

EV calculator

Expected value in dollars and percent. Full version: /ev-calculator

Embed code

<a class="placebets-widget" data-widget="ev" href="https://placebets.ai/ev-calculator">EV calculator by PlaceBets.ai</a>
<script async src="https://placebets.ai/embed.js"></script>

Plain iframe instead (no script)

Embed code

<iframe src="https://placebets.ai/widget/ev" title="EV calculator" width="100%" height="420" style="border:0;max-width:640px" loading="lazy"></iframe>
<p><a href="https://placebets.ai/ev-calculator">EV calculator by PlaceBets.ai</a></p>

Options

data-theme="light" for light backgrounds.
data-league="nba" on the odds widget: nfl, nba, mlb, nhl, ncaaf, ncaab, wnba, mls, epl, ucl, ufc.
data-height="600" to change the height.

Odds in the live widget come from the PlaceBets.ai board and show when they were last updated. If a league has no lines, the widget says so instead of showing stale prices. Widgets are for information only; PlaceBets.ai never takes bets. 21+.