ganak.appAcademic Calculators
8 calculators · Updated Feb 2026
Calculate grades, GPA, CGPA, and attendance for school and university. Includes tools for negative marking analysis in competitive exams and SGPA-to-CGPA conversion.
GPA and CGPA calculation with multiple grading scales · Negative marking strategy tool for competitive exams · Attendance percentage tracker with target planning
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GPA Calculator
Free GPA calculator for college, high school, and university students. Calculate semester and cumulative GPA on a 4.0 scale with letter grades and credit hours. Plan your target GPA with the built-in GPA planner. Supports weighted GPA for Honors, AP, and IB courses, plus Pass/Fail grading.
CGPA Calculator
Free CGPA calculator to compute your Cumulative Grade Point Average from semester-wise SGPAs and credits. Supports 10-point (Indian universities), 4.0 (US/UK), and 5.0 grading scales. Instantly converts CGPA to percentage, shows semester-by-semester breakdown with running CGPA, SGPA trend analysis, and grade classification. Essential for university students, job applications, and graduate admissions.
Negative Marking Calculator
Calculate exam scores with negative marking for competitive exams like GATE, JEE, NEET, UPSC, and banking tests. Instantly compute net score, accuracy percentage, and penalty deductions. Supports custom marking schemes with variable positive and negative marks per question. Essential for exam preparation strategy and score prediction.
All Academic Calculators
CGPA to Percentage Calculator
Convert CGPA to percentage using standard grading scales (10-point, 4.0 GPA, 5-point). Supports multiple conversion factors including 9.5 (AICTE India), 9.0, and custom multipliers. Essential for university applications, job applications, and academic transcript conversions. Formula: Percentage = CGPA × Grading Scale factor.
Percentage to CGPA Calculator
Convert percentage to CGPA using standard grading scales (10-point, 4.0 GPA, 5-point). Reverse CGPA calculation for academic equivalency, study abroad applications, and GPA conversions. Supports custom conversion factors for different universities and grading systems worldwide. Formula: CGPA = Percentage ÷ Grading Scale factor.
Grade Calculator
Calculate your weighted grade average, find out what you need on your final exam, or convert test scores to letter grades. Supports weighted assignments, final grade planning, and test grading with US letter grades (A+ to F) and GPA equivalents.
SGPA to CGPA Calculator
Free SGPA to CGPA calculator to convert your semester-wise SGPAs to cumulative CGPA. Supports simple average and credit-weighted calculation methods across 10-point (Indian universities like VTU, KTU, BPUT, Mumbai University), 4.0 (US/UK), and 5.0 grading scales. Instantly shows CGPA, percentage equivalent, semester breakdown, SGPA trend chart, and grade classification.
Attendance Calculator
Free attendance calculator for school, college, university, and office. Find your current attendance percentage, how many classes or days you need to attend to reach 75% (or any target), and how many you can safely miss. Track by classes or days — works for students, employees, and any institution with minimum attendance requirements.
Why Use Academic Calculators?
Academic calculations affect your career trajectory — knowing your exact GPA, understanding how negative marking works in competitive exams, or tracking attendance to meet minimum requirements. These calculators support multiple grading scales and provide the precision students need for applications, scholarships, and academic planning.