Best interest calculator plugins for WordPress
The most popular interest calculator plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Responsive Investment Calculator leads with 20+ active installs, ahead of Smart FD Calculator (fewer than 10). All 2 plugins tagged “interest calculator” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 2 interest calculator plugins
- 1.
Responsive Investment CalculatorThe most installed interest calculator plugin, with 20+ active installs. No reviews yet, last updated 9 years ago. Tested only up to WordPress 4.3.34.
- 2.
Smart FD CalculatorFewer than 10 active installs. No reviews yet, updated 4 months ago.
All 2 plugins tagged “interest calculator”
Responsive Investment Calculator
Down in the last 7 days:32#26,173by liddweaver10 years ago
A simple responsive investment calculator widget and shortcode.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day
Smart FD Calculator
Up in the last 7 days:938#65,892by Online Everything Technologies5 months ago
A responsive Fixed Deposit Calculator for WordPress with shortcode support, branding controls, style customization, and admin settings.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day