GST Calculator- EMI, SIP & Tax

CalcIndia — GST, EMI & Tax Calculator for India

The all-in-one financial calculator built for India. Whether you're a business owner, student, salaried professional, or freelancer — calculate GST, EMI, income tax, SIP returns, and more in seconds.

KEY FEATURES

GST Calculator
Calculate GST on any amount instantly. Supports all Indian GST slabs — 0%, 3%, 5%, 12%, 18%, 28%. Add GST or reverse GST from inclusive prices. Perfect for invoices, billing, and business calculations.

EMI Calculator
Plan your home loan EMI, car loan EMI, personal loan EMI, or business loan repayment. Get your monthly EMI, total interest, and total payable amount with a full amortization schedule.

Income Tax Calculator (India)
Estimate your income tax under both the Old Regime and New Regime for the latest financial year. Supports salary income, deductions (80C, 80D, HRA), and surcharge.

SIP Calculator
Plan your mutual fund investments. Calculate maturity value, total investment, and expected returns for any SIP tenure and rate of return.

Discount & Percentage Calculator
Quickly work out discounts, markups, and percentage changes for shopping and business.

GST Invoice Generator
Create professional GST invoices and share them as PDF, directly from the app.

WHY CHOOSE CALCINDIA

- Made for India — GST slabs, income tax rules, and rupee formatting built in
- Works offline — every calculator runs without internet
- Lightweight — small app size, fast on any phone
- Clean UI — simple, distraction-free design
- Secure sign-in with Google, and your data stays yours

PLANS

Included with every account:
- All 6 calculators with unlimited use
- 5 GST invoices per month
- Calculation history

Premium adds:
- Unlimited GST invoices
- PDF & Excel export for all calculations
- Ad-free experience
- Priority support

WHO IS THIS FOR

- Shopkeepers and small business owners calculating GST on invoices
- Home buyers comparing loan EMIs before taking a home loan
- Salaried employees planning income tax under the new tax regime or old tax regime
- Investors estimating SIP and mutual fund returns
- Students and teachers learning finance
- CAs, accountants, and tax professionals

Download CalcIndia today — every calculation, faster and easier.

Have feedback or feature requests? Contact us — we read every message.