Grade Calculator Builder

Configure your course, then download a ready-to-use calculator. Works on any phone or laptop — no install, no login required.

1 Course Info

Course Name

Course Number (optional)

Institution (optional)

Instructor (optional)

Term (optional)

2 Grade Categories

Category Name

Weight %

Final Exam?

Add categories above. Weights must total exactly 100%.

100% is not required for this course Check this if your syllabus weights intentionally don't add to 100% (e.g., extra credit, dropped lowest, or a points-based system).

3 Grade Scale

Grade Rounding Policy

Round to nearest whole number
When checked, a 96.5% counts as a 97% for grade assignment — matching professors who apply standard rounding. The calculator will show a toggle so students know which policy applies. Default is off (exact score required).

4 Appearance

Calculator Title

Color Theme

Note to Students (optional)

5 Download Your Calculator

License & Copyright
The generated file is released under the MIT License — Copyright © 2026 Keith Warren / Breezeway Labs.
Free to use, copy, modify, and distribute for any purpose, including commercial. Attribution appreciated but not required. Full license text is embedded in the downloaded file.

Downloads a self-contained HTML5 file. Open in any browser — no install, no account, works offline.
Mobile-friendly. A preview also opens in a new tab.

Download the Builder

Want to use this builder offline, share it with a colleague, or host it yourself? Download the builder as a standalone HTML5 file — no server required, runs in any browser.

License & Copyright
MIT License — Copyright © 2026 Keith Warren / Breezeway Labs.
Free to use, copy, modify, and distribute. You may customize it, rebrand it, or embed it in your own LMS. The only requirement: keep the MIT license comment at the top of the file.

The downloaded file is identical to what you see here. Open it locally and it works exactly the same.