Grade Calculator
Calculate your weighted course grade from assignments and their weights, with the letter grade — free online. — free, fast and private.
Your result will appear here.
How to use Grade Calculator
- Enter each assignment score as a percentage.
- Enter the weight of each assignment — the weights should add to 100%.
- Click Calculate Grade to see your weighted grade and letter.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
How is a weighted grade calculated?
Multiply each score by its weight, add those products together, then divide by the total weight. For example, 85% worth 30% and 90% worth 70% gives (85x30 + 90x70) / 100 = 88.5%.
Is this tool free to use?
Yes, it is 100% free with no sign-up. Your data stays in your browser.
Is my data uploaded or stored?
No. This tool runs entirely in your browser — nothing you enter is uploaded to a server.
Can I use it on my phone?
Yes, it is fully mobile-friendly and works in any modern browser on phone, tablet or computer.