Privacy Policy
Last Updated: Dec 19, 2025
1. Information We Collect
We collect the following information when you use our calculator:
- Student information you voluntarily enter (name, ID, grades)
- Calculation results and preferences
- Browser information and IP address for analytics
2. How We Use Your Information
- To provide and improve our calculator services
- To store your calculations locally on your device
- For analytical purposes to improve user experience
- To display relevant advertisements via Google AdSense
3. Google AdSense
We use Google AdSense to display advertisements. Google uses cookies to serve ads based on your prior visits to our website or other websites.
You may opt out of personalized advertising by visiting Google Ads Settings.
4. Data Storage
All student data is stored locally in your browser's localStorage. We do not transmit or store your data on our servers.
5. Third-Party Services
We use Font Awesome for icons and Google AdSense for advertisements. These services have their own privacy policies.
6. Children's Privacy
Our service is suitable for all ages. We do not knowingly collect personal information from children under 13.
7. Changes to Privacy Policy
We may update this privacy policy periodically. Changes will be posted on this page.
8. Contact Us
For privacy-related questions, contact: mdfaruk9192@gmail.com
Terms and Conditions
Effective Date: January 1, 2024
1. Acceptance of Terms
By using this calculator, you agree to these terms and conditions.
2. Service Description
We provide a free online marks to percentage calculator for educational purposes. The service is provided "as is" without warranties of any kind.
3. User Responsibilities
- Use the calculator for lawful purposes only
- Provide accurate information for calculations
- Maintain the confidentiality of any stored data
4. Google AdSense Compliance
We comply with Google AdSense policies:
- Content is original and appropriate for all ages
- No prohibited content (adult content, violence, hate speech)
- Clear separation between content and advertisements
- No artificial traffic generation
5. Intellectual Property
The calculator design, code, and content are protected by copyright. You may not copy, modify, or distribute without permission.
6. Limitation of Liability
We are not responsible for calculation errors or any consequences resulting from the use of this calculator.
7. Changes to Terms
We reserve the right to modify these terms at any time.
Contact Us
Developer Information
Name: Muhammad Faruk Miah
Email: mdfaruk9192@gmail.com
Support
For technical support, feature requests, or bug reports, please email us at mdfaruk9192@gmail.com
Feedback
We welcome your feedback to improve our calculator. Please share your suggestions with us.
Business Hours
We typically respond to emails within 24-48 hours on business days.
Marks to Percentage Calculator: The Ultimate Tool for Students & Educators
Last Updated: January 2024 | Author: Muhammad Faruk Miah
Are you tired of manual calculations? Our free online Marks to Percentage Calculator transforms complex grade calculations into simple, accurate results instantly. Whether you're a student checking semester results or a teacher managing multiple classes, this tool simplifies academic calculations like never before!
📊 What is the Marks to Percentage Calculator?
The Marks to Percentage Calculator is an advanced web-based tool that converts raw exam scores into percentages and corresponding grades. It supports multiple grading systems, stores data locally, and generates professional reports—all for free!
⭐ Key Features That Make This Tool Unique
1. Multiple Grading Systems Support
Switch between different grading systems seamlessly: General Grading, IGCSE, Higher School & College, Primary School, International Systems, or create your own Custom Grading System!
2. Complete Student Management
Store student details including name, ID, roll number, class, section, division, group, father's name, mother's name, and more—all securely in your browser.
3. Advanced Data Management
Search, save, export, and import student records. Merge data from multiple sources or create backups with our comprehensive data management system.
4. Semester & Subject Flexibility
Add unlimited semesters and subjects. Input marks with decimal precision and watch as the calculator automatically computes totals and percentages.
5. Professional Report Generation
Generate print-ready reports with school headers, student details, subject-wise marks, and overall performance analysis in a clean, professional format.
6. Local Storage Security
All data is stored locally in your browser—no server storage means complete privacy and security for your student information.
7. Mobile Responsive Design
Access the calculator on any device—desktop, tablet, or smartphone—with full functionality maintained across all screen sizes.
📝 How to Use: Step-by-Step Guide
- Enter School Information: Start by adding your school name, notes, and exam details (all optional).
- Select Grading System: Choose from 6 pre-built grading systems or create your own custom system.
- Add Student Details: Fill in student information—this helps organize and identify records easily.
- Set Up Semesters: Add semesters as needed. Each semester can have unlimited subjects.
- Input Subject Marks: For each subject, enter the scored marks and total marks. Use decimal values if needed.
- Calculate Results: Click the Calculate button to instantly see percentages, grades, and remarks.
- Save & Export: Save the record locally, export as JSON, or print professional reports.
🎯 Who Can Benefit From This Tool?
- Students: Track your academic performance across multiple semesters
- Teachers: Manage entire class results without manual calculations
- Parents: Monitor children's academic progress easily
- Educational Institutions: Standardize grading across departments
- Tutors: Provide instant feedback on mock test results
- School Administrators: Generate standardized report cards
🔍 Advanced Features Deep Dive
Custom Grading System Builder
Not satisfied with standard grading? Create your own system! Define percentage ranges, assign grades, and add custom remarks. Perfect for institutions with unique grading requirements.
Data Import/Export System
Transfer student data between devices or create backups. Our JSON-based import/export system ensures you never lose important records.
Search & Filter Functionality
Quickly find students by name, ID, roll number, or any other field. Perfect for large classes with multiple records.
Print-Ready Reports
Generate professional reports with proper formatting, school headers, and organized subject lists—ready for official use.
💡 Pro Tips for Maximum Efficiency
Tip 1: Use Decimal Values
Input marks like 85.5 or 92.75 for precise calculations—the calculator handles decimals perfectly!
Tip 2: Save Frequently
Use the save feature to create multiple versions of student records for different semesters.
Tip 3: Create Templates
Set up a template with your school's grading system and reuse it for multiple students.
Tip 4: Use Search Smartly
Search by partial names or IDs—the search function supports flexible matching.
🔒 Privacy & Security Assurance
We take your privacy seriously. Our calculator operates entirely in your browser—no data is sent to external servers. All information is stored locally on your device using browser storage technology. This means:
- No account registration required
- No data sharing with third parties
- Complete control over your information
- Data remains on your device only
📱 Mobile Accessibility
The calculator is fully responsive and works perfectly on:
- Smartphones (iOS & Android)
- Tablets (iPad, Android tablets)
- Desktop computers
- Laptops
All features are available on mobile devices with touch-optimized interfaces.
SEO Keywords for This Tool
These keywords help users find this calculator online:
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exam score converter
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free marksheet generator
semester result calculator
school percentage calculator
college grade converter
IGCSE grading calculator
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🚀 Start Calculating Now!
Ready to simplify your academic calculations? Our Marks to Percentage Calculator is completely free, requires no registration, and works instantly in your browser.
❓ Frequently Asked Questions
Q: Is this calculator really free?
A: Yes, completely free! No hidden charges, no subscriptions, no premium features locked behind paywalls.
Q: Does it work offline?
A: Once loaded in your browser, most features work offline. You need internet connection only for initial loading.
Q: Can I use it on multiple devices?
A: Yes! Use the export/import feature to transfer data between devices.
Q: How many students can I add?
A: There's no limit! Add as many students as you need.
Q: Is my data safe?
A: Absolutely! All data stays in your browser and never leaves your device.
About the Developer
Muhammad Faruk Miah is an experienced developer passionate about creating educational tools that make life easier for students and teachers. With years of experience in web development and educational technology, he created this calculator to solve common academic calculation challenges.
Contact: mdfaruk9192@gmail.com
If you have suggestions for improvements or need custom features for your institution, feel free to reach out!
© 2025 Marks to Percentage Calculator. All Rights Reserved.
This tool is designed for educational purposes. Results should be verified with official sources when used for critical academic decisions.