World’s Most Advanced Grade Calculator
Looking for a fast, accurate and beautifully designed Grade Calculator that supports every major curriculum in the world? You are in the right place. Our free online GPA Calculator and Percentage Calculator works for high school, college and university students across the United States, the United Kingdom, India, Germany and IB schools globally.
5 Grading Systems
US, UK, IB, CBSE & German in one tool.
Voice & OCR Input
Speak marks or scan a marksheet.
Live Charts & AI Insights
Bar, radar & trend with smart analysis.
6+ Export & Share
Excel, WhatsApp, email, QR code.
Why Choose Our Grade Calculator?
Most online calculators give you only one grading scale. We built the world’s most complete student tool.
Supports 5 global grading systems.
Auto letter grade & GPA on 4.0 scale.
Unlimited student profiles & semesters.
Live bar chart, radar & trend line.
Voice input, OCR scan & AI assistant.
100% free, no sign-up, zero data upload.
How to Use in 3 Steps
1
Choose Your Grading System
Select from US, UK, IB, CBSE or German grading.
2
Add Your Subjects & Marks
Enter subject name, marks obtained and total marks.
3
Get Full Report & Share
See grade, GPA, charts & export to Excel or share.
How to Calculate GPA?
Calculating GPA is straightforward. We convert each subject’s percentage into a 4.0 grade point and then take the weighted average across all subjects.
Grading Systems Explained
US
US Standard — A (90-100), B (80-89), C (70-79), D (60-69), F below 60.
UK
UK Grading System — A* (90+), A (80-89), B (70-79), C (60-69), D (50-59).
IB
IB Grade Calculator — 1-7 scale where 7 is highest.
CBSE
CBSE Grade Calculator — A1 (91+), A2 (81-90), B1 (71-80).
DE
German Grading System — 1 (Sehr gut) to 5 (Mangelhaft).
TOP HIGHLIGHTS
Why students love this tool
5 Grading Systems
US, UK, IB, CBSE, German — one tool for every curriculum.
Voice & OCR Input
Speak your marks or scan a marksheet photo to auto-fill.
Live Charts & AI Insights
Bar, radar & trend charts plus an AI study assistant.
Frequently Asked Questions
Add each subject with its obtained marks and total marks. The calculator instantly computes total marks, percentage, letter grade and GPA on a 4.0 scale based on your selected grading system.
US Standard, UK, IB Diploma, CBSE India and German grading scales are supported through a single dropdown.
Yes. Multiple student profiles and semester records are saved in your browser.
Yes — 100% free forever. No sign-up required.