Title: IGS Parlay Odds Calculator
Author: ailene999
Published: <strong>August 30, 2026</strong>
Last modified: August 30, 2026

---

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![](https://s.w.org/plugins/geopattern-icon/igs-parlay-odds-calculator.svg)

# IGS Parlay Odds Calculator

 By [ailene999](https://profiles.wordpress.org/ailene999/)

[Download](https://downloads.wordpress.org/plugin/igs-parlay-odds-calculator.1.0.3.zip)

 * [Details](https://wordpress.org/plugins/igs-parlay-odds-calculator/#description)
 * [Reviews](https://wordpress.org/plugins/igs-parlay-odds-calculator/#reviews)
 *  [Installation](https://wordpress.org/plugins/igs-parlay-odds-calculator/#installation)
 * [Development](https://wordpress.org/plugins/igs-parlay-odds-calculator/#developers)

 [Support](https://wordpress.org/support/plugin/igs-parlay-odds-calculator/)

## Description

Add the calculator to any post or page with:

    ```
    [igs_parlay_odds_calculator]
    ```

A free tool from https://internetgamblingsites.net/.

Enter each leg’s odds in any common format — American (e.g. -150 or +200), Decimal(
e.g. 1.67), or Fractional (e.g. 2/3) — and the calculator automatically detects 
the format, multiplies the decimal odds together, and shows the combined decimal
odds, combined American odds, total payout, and profit on your stake.

Everything runs client-side in the visitor’s browser. No data is sent anywhere, 
no external requests, no tracking, no signup required to use it.

#### Features

 * Mix and match American, Decimal, and Fractional odds per leg
 * Add as many legs as you need
 * Shows combined decimal and American odds
 * Total payout and profit on any stake
 * Works in posts, pages, or widget areas
 * No configuration needed
 * Lightweight: one CSS file, one JS file, no dependencies

## Installation

 1. Upload the plugin files to `/wp-content/plugins/igs-parlay-odds-calculator`, or
    install directly through the WordPress plugins screen.
 2. Activate the plugin through the “Plugins” screen in WordPress.
 3. Add `[igs_parlay_odds_calculator]` to any post, page, or text widget.

## FAQ

### Does this send any data to an external server?

No. All calculations happen in the visitor’s browser using JavaScript. Nothing is
transmitted anywhere.

### Can I use it more than once on the same page?

Yes. Each shortcode instance works independently.

### Does it match my theme’s styling?

The plugin includes its own minimal, namespaced CSS so it won’t conflict with your
theme, and it respects the visitor’s OS-level light/dark mode preference.

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“IGS Parlay Odds Calculator” is open source software. The following people have 
contributed to this plugin.

Contributors

 *   [ ailene999 ](https://profiles.wordpress.org/ailene999/)

[Translate “IGS Parlay Odds Calculator” into your language.](https://translate.wordpress.org/projects/wp-plugins/igs-parlay-odds-calculator)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/igs-parlay-odds-calculator/),
check out the [SVN repository](https://plugins.svn.wordpress.org/igs-parlay-odds-calculator/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/igs-parlay-odds-calculator/)
by [RSS](https://plugins.trac.wordpress.org/log/igs-parlay-odds-calculator/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

#### 1.0.3

 * Shortened plugin header description and updated license header format.

#### 1.0.2

 * Bumped “Tested up to” to 7.1.

#### 1.0.1

 * Removed manual load_plugin_textdomain() call; WordPress.org now auto-loads translations
   for the plugin slug.

#### 1.0.0

 * Initial release.

## Meta

 *  Version **1.0.3**
 *  Last updated **5 days ago**
 *  Active installations **Fewer than 10**
 *  WordPress version ** 5.8 or higher **
 *  Tested up to **7.1**
 *  PHP version ** 7.4 or higher **
 * Tags
 * [betting](https://wordpress.org/plugins/tags/betting/)[calculator](https://wordpress.org/plugins/tags/calculator/)
   [converter](https://wordpress.org/plugins/tags/converter/)[odds](https://wordpress.org/plugins/tags/odds/)
   [sports](https://wordpress.org/plugins/tags/sports/)
 *  [Advanced View](https://wordpress.org/plugins/igs-parlay-odds-calculator/advanced/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/igs-parlay-odds-calculator/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/igs-parlay-odds-calculator/reviews/)

## Contributors

 *   [ ailene999 ](https://profiles.wordpress.org/ailene999/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/igs-parlay-odds-calculator/)