Developer & Webmasters Free Responsive Widgets

Embed Free Calculators On Your Website

Choose any of our calculation tools, customize width and height, and copy the embed snippet to add interactive calculators directly into your site or blog.

Interactive Widget Customizer

Customize & Embed Any Calculator

Select a calculator tool, adjust dimensions or choose a device preset, test responsiveness with swipe & scroll, and copy the embed code.

Select Calculator Tool

Device Viewport Presets

Width e.g. 100% or 450

Height (px) pixels

Responsive Width Slider: Fluid (100%)

320px (Phone) 600px 1000px (Desktop)

HTML Iframe Embed Code

✓ Works with WordPress, Squarespace, Webflow & HTML Open preview in new tab

Live Responsive Preview

↔ Swipe left / right to scroll view 100% × 560px

calculatorscale.com/embed/bmi-calculator

live

Live Preview: Enter any width or height to immediately test responsiveness. Swipe or drag horizontally to view the calculator across screen sizes.