Why we built these tools
Students spend hours converting grades, checking age limits and planning study time. These tools do it in seconds — free, private and without sign-up. Calculators run entirely in your browser, so nothing you type is stored.
Free · No sign-up · Works on mobile
Free Student Calculators & AI Tools
CGPA, percentage, SGPA, loan EMI, age eligibility and attendance calculators, plus AI tools for course selection, SOPs, resumes and study plans.
AI tools
Ask AI — Study Assistant
Ask any study, course or career question.Try itAI Course & Career Finder
Courses that fit your stream, interests and budget.Try itAI SOP & Statement Writer
A first draft of your statement of purpose.Try itAI Resume Headline & Summary
Headlines and a profile summary for your CV.Try itSmart Study Planner
A week-by-week plan weighted to your weak subjects.Try itCalculators
CGPA to Percentage Calculator
CBSE, VTU, Anna University or a custom multiplier.CalculateMarks Percentage Calculator
Add subject marks and get your total and percentage.CalculateSGPA & CGPA Calculator
Credit-weighted SGPA, and your updated CGPA.CalculateEducation Loan EMI Calculator
EMI with the study-period moratorium included.CalculateAge & Exam Eligibility Calculator
Exact age on a cut-off date, with category relaxation.CalculateAttendance Calculator
Classes you need to attend — or can miss — to stay at 75%.CalculatePercentile to Rank Estimator
Estimate your rank from a percentile score.CalculateExam Countdown & Study Hours
A live countdown plus the study hours you have left.CalculateFrequently asked questions
Are these tools free?
Yes, every calculator and AI tool on Times4Education is free to use with no sign-up.
Do you store what I type?
Calculators run in your browser and store nothing. AI tools send your inputs to generate an answer and do not publish them.
Are the results official?
No. They are estimates to guide you. Your board, university or the official notification always has the final word.