Accessible Calculator

About This Accessible Calculator

This accessible calculator is designed to help users perform everyday mathematical calculations with ease. It supports basic arithmetic, scientific functions, and Body Mass Index (BMI) calculations while remaining fully usable with screen readers and keyboards.

Many online calculators are difficult to use for blind or visually impaired users. This tool follows WCAG accessibility guidelines by providing proper labels, semantic structure, keyboard navigation, and screen reader announcements.

Users can navigate and operate this calculator in the following ways:

Typing numbers and arithmetic operators directly into the calculator display.
Using the on-screen calculator buttons with a mouse, keyboard, or assistive technology.

The Enter key can be pressed after typing an expression such as 21 / 3 to immediately calculate the result, helping users save time and effort.

Calculator type Basic Scientific

Calculator display

BMI Calculator

Note: Please ensure you have your height and weight measurements available before starting this calculation.

BMI result Weight (kg) Height (meters)