🇮🇳 Made for India • Free to Use

India's Smartest
GST & Finance
Calculator App

Calculate GST, EMI, SIP, Income Tax and more in seconds. Built for Indian businesses, CAs, and professionals who need accurate, fast calculations every day.

Get it on Google Play Explore Features
10,000+
Downloads
4.8 ★
Play Store Rating
8+
Calculators
★
4.8 Rating
Google Play
✓
Free to Start
Premium plans available
⚡
Instant Results
Fast & accurate
₹
GST Calculator
Quick & Accurate
Total Amount
₹1,18,000
Base Price ₹1,00,000
CGST (9%) ₹9,000
SGST (9%) ₹9,000
GST Rate 18%
GST Calculator
EMI Calculator
SIP Planner
Income Tax
Lumpsum Calculator
FD Calculator
Percentage Calculator
Tax Comparison
CGST & SGST
IGST Calculator
GST Calculator
EMI Calculator
SIP Planner
Income Tax
Lumpsum Calculator
FD Calculator
Percentage Calculator
Tax Comparison
CGST & SGST
IGST Calculator
Why CalcIndia?

Everything You Need, One App

Designed specifically for Indian tax laws and financial planning. No clutter, just results.

₹

GST Calculator

Calculate CGST, SGST, IGST instantly. Add or remove GST from any amount with all slab rates (5%, 12%, 18%, 28%) supported.

📈

SIP Planner

Plan your mutual fund investments. See how your monthly SIP grows over time with the power of compounding.

🏠

EMI Calculator

Calculate home loan, car loan, or personal loan EMIs. See full amortization schedule and interest breakdown.

💰

Income Tax Calculator

Compare old vs new tax regime instantly. Know your tax liability with deductions under 80C, 80D, HRA and more.

💡

AI-Powered Daily Tips

Get smart daily tips on GST filing, income tax savings, TDS, and compliance deadlines. Stay ahead effortlessly.

🔒

Secure & Private

Sign in with Google for a secure experience. Your data is protected and your privacy is our priority.

All-in-One

8+ Powerful Calculators

From GST to SIP, every calculation an Indian professional needs in one beautiful app.

💳

GST

All slab rates

🏦

EMI

Loan payments

📈

SIP

Mutual funds

💰

Income Tax

Old & new regime

💵

Lumpsum

One-time invest

🎯

FD Calculator

Fixed deposits

📊

Percentage

Quick math

📋

Compare

Side by side

Simple & Fast

How It Works

Get accurate results in just 3 taps. Quick sign-in with Google and you're ready.

1

Choose Calculator

Pick from GST, EMI, SIP, Income Tax, or any of our 8+ calculators on the home screen.

2

Enter Amount

Type your amount and select the rate or tenure. Our smart inputs auto-format Indian currency.

3

Get Instant Results

See detailed breakdown with CGST, SGST, total, or EMI schedule instantly. Share or save results.

Trusted by Thousands

What Users Are Saying

Rated 4.8 stars on Google Play. Loved by businesses, CAs, and finance enthusiasts across India.

★★★★★

"Best GST calculator I've used. The interface is clean and I get instant CGST/SGST breakdown. Perfect for my daily billing work."

Rajesh K.
Small Business Owner, Mumbai
★★★★★

"The SIP and EMI calculators help me compare loan options for clients daily. Must-have app for any CA or finance professional."

Priya S.
Chartered Accountant, Delhi
★★★★★

"Super fast and the daily tax tips feature is brilliant. Keeps me updated on compliance deadlines and savings."

Amit V.
Freelance Consultant, Bangalore
Common Questions

Frequently Asked Questions

How to calculate GST on a product? +
Enter the base price and select the GST rate (5%, 12%, 18%, or 28%). CalcIndia instantly shows the CGST, SGST or IGST breakdown and the total amount including GST. You can also reverse-calculate to remove GST from a total.
Is CalcIndia free to use? +
CalcIndia is free to download with all 6 calculators included. We offer optional Pro and Premium plans for unlimited invoices, PDF/Excel export, and an ad-free experience.
Do I need to create an account? +
Yes, CalcIndia requires a quick Google Sign-In to get started. This keeps your data secure and synced. Just tap "Continue with Google" and you're ready to calculate.
What GST rates are supported? +
CalcIndia supports all standard Indian GST slab rates: 0%, 5%, 12%, 18%, and 28%. You can also enter custom rates. The calculator shows CGST + SGST for intra-state and IGST for inter-state transactions.
Is my data safe and private? +
Absolutely. All calculations happen locally on your device. We don't collect, store, or share any of your financial data. Your privacy is our top priority.

Start Calculating Smarter Today

Join 10,000+ Indians who trust CalcIndia for their daily GST, tax and finance calculations.

Download Free on Google Play