Welcome to Smart Tools Hub
Light & clean calculators for students and daily life — GPA, BMI, Savings, Insurance, Age and more. Use the left menu (or ☰ on mobile) to pick a tool.
📘 How to Use
GPA & CGPA
Add subjects using "Add Subject". For each subject choose the letter grade and credit hours. Provide previous CGPA & total completed credits (optional) to compute updated CGPA. If semester GPA < 2.5 you'll see a sad emoji 😢, otherwise ❤️.
BMI
Select Metric (kg, cm) or Imperial (lbs, ft + in). Enter values and press Calculate to see BMI and category.
Savings
Enter initial principal, monthly contribution, years, annual rate and compounding frequency. Click Calculate to get future value using compound interest.
Insurance
Provide age, gender, smoker status, coverage amount, term and type. This is a quick estimator — real premiums depend on many factors.
Age
Pick your date of birth and Calculate — output shows years, months and days.
Tips
Use mobile ☰ to open sidebar. Add valid credits & grades for accurate GPA. Use realistic rates for savings (e.g., 5–10%).
🎓 University GPA & CGPA Calculator
| Subject | Grade | Credits |
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