Title: XeVN Loan Schedule Calculator
Author: Kía Nguyễn
Published: <strong>October 13, 2026</strong>
Last modified: October 13, 2026

---

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# XeVN Loan Schedule Calculator

 By [Kía Nguyễn](https://profiles.wordpress.org/kianguyen/)

[Download](https://downloads.wordpress.org/plugin/xevn-loan-schedule-calculator.1.2.0.zip)

 * [Details](https://wordpress.org/plugins/xevn-loan-schedule-calculator/#description)
 * [Reviews](https://wordpress.org/plugins/xevn-loan-schedule-calculator/#reviews)
 *  [Installation](https://wordpress.org/plugins/xevn-loan-schedule-calculator/#installation)
 * [Development](https://wordpress.org/plugins/xevn-loan-schedule-calculator/#developers)

 [Support](https://wordpress.org/support/plugin/xevn-loan-schedule-calculator/)

## Description

XeVN Loan Schedule Calculator adds a responsive loan repayment calculator to any
page via a shortcode. It uses the **declining balance method** common at Vietnamese
banks: the principal is repaid in equal monthly amounts and interest is charged 
on the remaining balance.

**Features**

 * Equal monthly principal, interest on the declining balance
 * Two interest rates: a promotional rate for the first N months, then a normal 
   rate
 * Summary: loan amount, monthly principal, total interest, total cost
 * Full month-by-month schedule, promotional months highlighted
 * Export the schedule to Excel (.xlsx)
 * Default values, title, currency label, color and disclaimer configurable in Settings
   Loan Calculator
 * Multiple calculators on the same page, each with its own defaults
 * All calculations run in the browser — works with page caching plugins
 * Display language switch: site default, Vietnamese or English (built-in Vietnamese)
 * Translation ready (translations via translate.wordpress.org)

**Tiếng Việt:** Công cụ tính lịch trả nợ theo phương thức dư nợ giảm dần (gốc trả
đều, lãi tính trên dư nợ còn lại), hỗ trợ lãi suất ưu đãi giai đoạn đầu và xuất 
file Excel. Chèn vào trang bằng shortcode `[xevn_loan_calculator]`. Muốn hiển thị
tiếng Việt: vào Settings  Loan Calculator, chọn “Display language” là Tiếng Việt,
hoặc dùng `[xevn_loan_calculator lang="vi"]`.

The plugin is completely free. If it is useful to you, please consider [making a donation](https://xeisuzuvn.com/donate/).

**Third-party library**

The Excel export uses [ExcelJS](https://github.com/exceljs/exceljs) 4.4.0 (MIT license),
bundled in `assets/vendor/`. It is only loaded when a visitor clicks the export 
button. The plugin does not contact any external service.

## Screenshots

[⌊Calculator form⌉⌊Calculator form⌉[

Calculator form

[⌊Summary and repayment schedule⌉⌊Summary and repayment schedule⌉[

Summary and repayment schedule

## Installation

 1. Install the plugin from Plugins  Add New, or upload the `xevn-loan-schedule-calculator`
    folder to `/wp-content/plugins/`.
 2. Activate the plugin.
 3. (Optional) Set default values in Settings  Loan Calculator.
 4. Add the shortcode `[xevn_loan_calculator]` to any page or post.

## FAQ

### Can I set different default values per page?

Yes. Use shortcode attributes, for example:
 [xevn_loan_calculator price=”650000000″
down=”20″ term=”84″ promo_rate=”7.5″ promo_months=”12″ rate=”10.5″ title=”Car loan
calculator”]

### How do I show the calculator in Vietnamese?

Go to Settings  Loan Calculator and set “Display language” to Vietnamese, or add`
lang="vi"` to the shortcode: `[xevn_loan_calculator lang="vi"]`. Use `lang="en"`
to force English. With “Site default”, community translations from translate.wordpress.
org are used when available.

### Which calculation method is used?

Declining balance: monthly principal = loan amount / number of months; monthly interest
= opening balance × (yearly rate / 12). Interest is rounded to the nearest unit;
the last month pays off the remaining balance.

### Are the results accurate?

Results are estimates for reference. Actual figures depend on each lender’s policy(
day count, disbursement date, fees).

### Does the plugin add links to my site?

No. A small “Powered by” link is shown only if you enable it in the settings (off
by default).

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“XeVN Loan Schedule Calculator” is open source software. The following people have
contributed to this plugin.

Contributors

 *   [ Kía Nguyễn ](https://profiles.wordpress.org/kianguyen/)

[Translate “XeVN Loan Schedule Calculator” into your language.](https://translate.wordpress.org/projects/wp-plugins/xevn-loan-schedule-calculator)

### Interested in development?

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

## Changelog

#### 1.2.0

 * New: display language option (Site default / Vietnamese / English) and `lang`
   shortcode attribute.
 * Each calculator on a page can use its own language.
 * Fix: button hover color now follows the configured primary color.

#### 1.1.1

 * Removed bundled translation files; translations are delivered by translate.wordpress.
   org.

#### 1.1.0

 * Renamed to XeVN Loan Schedule Calculator, new shortcode `[xevn_loan_calculator]`.
 * Settings page for defaults, currency, color and disclaimer.
 * Shortcode attributes for per-page defaults.
 * Calculations moved to the browser (no AJAX, cache-friendly).
 * ExcelJS bundled locally instead of loading from a CDN.
 * Translation ready (translations via translate.wordpress.org).

#### 1.0.3

 * Initial private release.

## Meta

 *  Version **1.2.0**
 *  Last updated **4 weeks ago**
 *  Active installations **Fewer than 10**
 *  WordPress version ** 5.8 or higher **
 *  Tested up to **7.1.4**
 *  PHP version ** 7.4 or higher **
 * Tags
 * [amortization](https://wordpress.org/plugins/tags/amortization/)[loan calculator](https://wordpress.org/plugins/tags/loan-calculator/)
   [mortgage](https://wordpress.org/plugins/tags/mortgage/)[vietnam](https://wordpress.org/plugins/tags/vietnam/)
 *  [Advanced View](https://wordpress.org/plugins/xevn-loan-schedule-calculator/advanced/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/xevn-loan-schedule-calculator/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/xevn-loan-schedule-calculator/reviews/)

## Contributors

 *   [ Kía Nguyễn ](https://profiles.wordpress.org/kianguyen/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/xevn-loan-schedule-calculator/)

## Donate

Would you like to support the advancement of this plugin?

 [ Donate to this plugin ](https://xeisuzuvn.com/donate/)