Academic & Educational Tools
Boost your productivity and simplify academic calculations with our free student-focused utilities. Built for CBSE, UGC, AICTE, State Boards, and University exams.
CGPA Calculator
All-in-one Cumulative Grade Point Average (CGPA) calculator with multi-semester SGPA aggregation, credit weighting, and official board & university grading scales.
- Semester SGPA Aggregator
- Target CGPA Goal Planner
- UGC 10-Point Scale
- 55+ University Presets
CGPA to Percentage Calculator
Convert your 10-point, 7-point, or 4-point CGPA into exact percentage using official CBSE (9.5 multiplier), UGC/AICTE CBCS, VTU, Mumbai University, AKTU, and Anna University formulas.
- CBSE 9.5 Factor
- UGC / AICTE CBCS Formula
- Instant Division Classification
- One-Click Copy & Share
SGPA Calculator
Calculate your Semester Grade Point Average (SGPA) from subject marks, grades, and credits with official university grading scales (VTU, AKTU, SPPU, Anna Univ, etc.) and instant percentage conversion.
- Subject-Wise Grade & Credit
- Marks-to-Grade Auto Mapping
- 30+ University Scales
- Printable Marksheet Slip
SGPA to CGPA Calculator
Calculate Cumulative CGPA from semester SGPA scores with credit weighting (CBCS), simple average mode, single semester subject SGPA calculator, and target CGPA planner.
- Credit Weighting (CBCS)
- Subject-Wise SGPA Tool
- Target CGPA Planner
- Semester Trend Visualizer
SGPA to Percentage Calculator
Convert your Semester SGPA into exact Percentage using official UGC/AICTE CBCS standard (SGPA - 0.75) × 10, direct 10x, CBSE 9.5 factor, KTU, VTU, and 45+ university conversion formulas.
- UGC CBCS & 10x Direct Formulas
- Reverse % to SGPA Mode
- Subject Marksheet Estimator
- Multi-Semester Tracker
Percentage to CGPA Calculator
Convert your aggregate percentage score into a standard 10-point scale CGPA using CBSE (÷ 9.5), UGC/AICTE CBCS, VTU, Anna University, and study abroad formulas.
- CBSE 9.5 Factor
- Marksheet Mode
- US 4.0 & German Scale
- Printable Conversion Slip
Percentage to SGPA Calculator
Convert marks percentage into Semester SGPA with official UGC/AICTE CBCS standard (Percentage ÷ 10 + 0.75), direct 10x, KTU, VTU, and 45+ university conversion formulas.
- UGC & 10x Formulas
- Subject Marksheet Mode
- Multi-Sem Tracker
- Printable PDF Slip
Marks to Percentage & Division Calculator
Convert total obtained marks and maximum marks into exact percentage, decimal accuracy, Pass/Fail status, and CBSE/State Board division classification.
- Multi-Subject Marksheet
- Fractional Precision
- 1st / 2nd / 3rd Division Badge
- Estimated CGPA
College Attendance & Bunk Tracker
Calculate your current attendance percentage and find out how many consecutive classes you must attend to meet the mandatory 75% or 80% university criteria.
- 75% & 80% Target Alert
- Safe Bunk Planner
- Medical Leave Tracker
- Semester Timetable Mode
Govt Exam Age & Eligibility Calculator
Calculate your exact age in years, months, and days on specific recruitment cut-off dates for UPSC, SSC, Banking (IBPS/SBI), Railway (RRB), and State PSC exams.
- Official Cut-off Date Match
- Category Age Relaxation
- Recruitment Criteria Checker
- Day-level Precision
US 4.0 GPA Scale Converter (WES Standard)
Convert Indian 10-point CGPA and percentage to the US 4.0 GPA scale following WES (World Education Services) guidelines for MS/MBA study abroad admissions.
- WES Standard Scale
- US / Canada 4.0 Equivalency
- ECTS Letter Grades
- MS & MBA Application Ready
Exam Photo & Image Resizer in KB
Resize and compress photographs to exact KB limits (20KB–50KB, 50KB–100KB, 10KB–20KB) or official exam dimensions (200x230, 350x350) with Name & Date of Photo (DOP) stamp.
- Target 20-50 KB & Exact KB Limits
- Candidate Name & DOP Overlay
- 114+ Exam Presets (SSC, UPSC, NEET)
- 100% Client-Side Safe
Signature Resizer (10KB - 20KB) & Cleaner
Resize and crop signature scans to 10KB–20KB and 140x60 px. Automatically remove gray background paper shadows, enhance ink contrast, and format for SSC, IBPS, and RRB forms.
- 10-20 KB Compression
- White Background Cleaner
- Darken Ink Strokes
- SSC 140x60 px Preset
Signature Creator & Maker
Draw or type custom handwritten digital signatures for PDFs, documents, contracts, and online forms. Export as transparent PNG, JPG, or SVG.
- Transparent PNG Export
- Touch & Stylus Draw Pad
- 8 Cursive Calligraphy Fonts
- 100% Client-Side Safe
Thumb Impression Resizer (20KB - 50KB)
Resize and enhance Left Thumb Impression (LTI) and RTI scans to 20KB–50KB and 240x240 px at 200 DPI. Clean background paper shadows and sharpen ridges for IBPS, SBI, NEET, and UPSC forms.
- 20-50 KB & 200 DPI Compliant
- Biometric Ridge Clarifier
- Paper Background Cleaner
- IBPS & SBI 240x240 px Preset
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Why Students Trust Result91 Tools
Built with strict precision following official Indian university ordinances and education board guidelines.
100% University Compliant
Formulas are aligned with official CBSE notification directives, UGC Choice Based Credit System (CBCS), AICTE guidelines, and regional state university rules.
Instant & Client-Side
All calculations process instantly inside your browser in microseconds without any server delay, intrusive ads, or login barriers.
Privacy Preserving
None of your entered marks, grades, or personal academic records are sent to or stored in external databases. Your data stays on your device.
Need a Custom University Formula or Calculator?
If your university, autonomous college, or state board uses a unique grading conversion formula not currently listed, let us know and we will add it immediately.
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