🧮 Calculators

Free financial and academic calculators designed for Indian users. Calculate EMI, GST, CGPA, and age with accurate Indian formulas. All calculations happen instantly in your browser.

🏦
Calculator

EMI Calculator

Calculate home loan, car loan, personal loan EMI. See monthly EMI, total interest, total payment with detailed breakdown for any loan amount and tenure.

Open Tool →
🧾
Calculator

GST Calculator

Calculate GST at 5%, 12%, 18%, 28% rates with CGST and SGST breakdown. Add GST to base amount or remove GST from inclusive amount.

Open Tool →
🎓
Calculator

CGPA to Percentage

Convert CGPA to percentage for Anna University, VTU, Mumbai University, Delhi University, KTU, JNTU, and UGC scales with accurate formulas.

Open Tool →
🎂
Calculator

Age Calculator

Calculate exact age in years, months, and days from date of birth. Also shows total months, days lived, and days until your next birthday.

Open Tool →

Smart Calculators for Indian Users

Make informed financial and academic decisions with our free Indian calculators. Whether you're planning a home loan, filing GST returns, applying to colleges, or calculating birthdays, our tools provide instant, accurate results using India-specific formulas.

Why Indian Users Trust Our Calculators

  • India-Specific Formulas: EMI uses Indian banking standards, GST includes CGST/SGST breakdown
  • INR Formatting: Results displayed in Indian numbering format (₹1,00,000 not $100,000)
  • University-Specific: CGPA conversions for Anna, VTU, Mumbai, DU, KTU, JNTU and more
  • Instant Results: No backend processing, calculations happen as you type
  • Mobile Optimized: Use on phone while shopping, banking, or studying

Common Use Cases

  • Comparing home loan offers from SBI, HDFC, ICICI, Axis Bank
  • Calculating car loan EMI before visiting the dealer
  • Computing GST for invoices in your small business
  • Converting engineering CGPA to percentage for higher studies
  • Calculating exact age for school admissions, government applications

Frequently Asked Questions

How accurate is your EMI calculator?
Our EMI calculator uses the standard Indian banking formula: EMI = P × r × (1+r)^n / ((1+r)^n - 1), where P is principal, r is monthly interest rate, and n is number of months. Results match those of major Indian banks like SBI, HDFC, and ICICI.
Does the GST calculator support all GST rates?
Yes, our GST calculator supports all standard Indian GST rates: 5%, 12%, 18%, and 28%. It can also handle custom rates and shows the CGST and SGST split automatically (half each).
Which universities are supported in CGPA converter?
We support Anna University (×10), VTU (×10), Mumbai University (×7.1 + 11), Delhi University (×9.5), KTU Kerala (×10), JNTU (×10), UGC 7-point scale (×14.29), and General CBSE formula (×9.5).
Can I calculate age in different units?
Yes, our age calculator shows your age in years/months/days, total number of months lived, total days lived, and days until your next birthday - all from a single date input.
Are these calculators free to use commercially?
Yes, you can use our calculators for personal or commercial purposes. Many small business owners use our GST calculator daily for invoicing.
Do calculators work offline?
Yes! Once a calculator page loads, you can use it offline since all calculations happen in your browser. Just bookmark the page and open it anytime.