FBIP's Percentage Calculator instantly computes scores using (Obtained Marks ÷ Total Marks) × 100 formula, assigning grades: A+ (90-100%), A (80-89%), B (70-79%), C (60-69%), D (50-59%), F (below 50%). Udaipur-based online tool tracks exams, assignments, semesters for academic planning. Simple inputs deliver precise results, aiding progress monitoring and performance analysis across any marking system—essential for students worldwide.