Built for Indian Students � 100% Free
Calculate your percentage, CGPA, attendance, and board results instantly.
Enter accurate values for the most precise output.
Fast, clean tools for NEET rank planning and CUET preparation.
Start with the highest-use student calculators first, then explore the full tools hub when you need deeper planning.
Dynamic subject rows, click-to-calculate result, pass/fail status, shareable card.
CBSE 9.5x formula, grade insight, instant conversion.
Check 75% eligibility, find classes needed to recover.
Subject-wise pass/fail analysis with 33% rule checks.
2026 expected rank, best case, worst case, and confidence from weighted historical data.
Multi-subject aggregate with custom maximum marks.
Know exactly how many marks you need in upcoming exams.
Score per exam needed to reach your target average.
Instant letter grade (A+ to F) and performance remark.
Find minimum marks required to pass any exam.
Enter details first, then calculate intentionally. No page reload needed. Ever.
Designed for mobile. Works on every device, every screen size.
Switch between Formal English, Hinglish, Gen Z, and Hindi modes.
No sign-up required. No paywall. No hidden fees. Just tools.
Complete guide to pass marks formula, 33% rule, and strategy for Indian students.
Learn CBSE 9.5x formula, board differences, and grade interpretation.
Understand the 75% rule, shortage recovery strategy, and practical planning.
April 2026
Full redesign with glassmorphism UI, 4 language tones, logo system.
March 2026
Add/remove/reorder subjects with live auto-calculation.
Feb 2026
Full monthly calendar with exam note saving.
Percentage = (Total Obtained � Total Maximum) � 100. For example, if you scored 425 out of 500, your percentage is 85%.
CBSE formula: Percentage = CGPA � 9.5. So a CGPA of 9.0 gives you 85.5%. Use our CGPA Calculator for instant conversion.
Most colleges require a minimum of 75% attendance to appear in exams. If below 75%, you may be detained. Use our Attendance Calculator to check your status.
Markbit is built by students, for students. We understand the exact pain points of Indian academics � complex CGPA formulas, confusing attendance rules, board exam pressure, and the constant need to quickly calculate marks on the go.
Every calculator on Markbit is designed with one goal: give you the answer instantly, with clear explanations and actionable next steps.
From CBSE and ICSE to state boards and college semesters � Markbit covers every academic scenario an Indian student faces.
Start with Percentage Calculator, then use Target to plan improvement, and Board Predictor to verify pass status.
Use our built-in calendar to mark exam dates and set reminder notes. Everything saves locally in your browser.
Have a doubt, found a bug, or want to suggest a feature? Drop us a message � we reply within 24�48 hours.