Instant & Accurate
Real-time results using standard, Budget-updated formulas — no guesswork.
Made for India
Rupees, lakhs & crores, GST, new vs old tax regime — everything localised.
Download to Excel
Export EMI schedules, SIP growth and breakups to a spreadsheet in one click.
Private & Free
Runs in your browser. No login, no data stored, no charges — ever.
⭐ Most Popular Tools
Home Loan EMI
EMI, interest & amortization schedule.
Income Tax
New vs old regime, FY 2025-26.
In-hand Salary
CTC to monthly take-home.
SIP Calculator
Mutual fund wealth growth.
GST Calculator
Add or remove GST instantly.
FD Calculator
Fixed deposit maturity.
PPF Calculator
15-year tax-free growth.
Personal Loan EMI
Plan any personal loan.
How It Works
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Search above or browse 50+ calculators by category.
Move the sliders
Results update live as you type — charts and tables included.
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Export to Excel, or bookmark it for next time. That's it.
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📚 Popular Guides
How Home Loan EMI Works
Formula, tenure vs interest & savings.
New vs Old Tax Regime
Which saves you more in 2026.
SIP Investing Explained
How small amounts build wealth.
CTC vs In-Hand Salary
Why take-home is less than CTC.
💰 Loan & EMI Calculators
Home Loan EMI
EMI, interest & amortization.
Personal Loan EMI
Plan any personal loan.
Car Loan EMI
EMI with down payment.
Loan Eligibility
How much can you borrow?
Loan Prepayment
Interest saved & tenure cut.
🧾 Tax & Salary Calculators
Income Tax
New vs old regime.
In-hand Salary
CTC to take-home.
GST Calculator
Add / remove GST.
HRA Exemption
Save tax on rent.
CTC Breakup
Salary structure.
TDS
Tax deducted at source.
Capital Gains
Equity & property tax.
Gratuity
On years of service.
Advance Tax
Installment schedule.
Professional Tax
State-wise PT.
📊 Investment Calculators
SIP
Mutual fund SIP returns.
Lumpsum
One-time investment.
Step-up SIP
Top-up SIP growth.
SWP
Withdrawal plan.
FD
Fixed deposit maturity.
RD
Recurring deposit.
PPF
15-year PPF growth.
NPS
Pension & corpus.
Compound Interest
Any frequency.
Retirement
Corpus & SIP needed.
🧠 Everyday Calculators
Age
Exact age & days.
BMI
Body mass index.
Date Difference
Days between dates.
Percentage
% of, change & more.
Discount
Final price & savings.
Unit Converter
Length, weight, temp.
Currency Converter
Live exchange rates.
Due Date
Pregnancy EDD.
Calorie / BMR
Daily calorie needs.
Fuel Cost
Trip fuel & cost.
🛠️ Document & Utility Tools
Image to PDF
Combine images to PDF.
Merge PDF
Combine PDF files.
Image Compressor
Reduce image size.
QR Code
Generate & download.
Word Counter
Words & characters.
Text Case
UPPER / lower / Title.
Password
Strong random passwords.
Invoice
GST invoice PDF.
Rent Receipt
For HRA claims.
Salary Slip
Payslip PDF.
Why FinTools?
FinTools is a growing library of 50+ free calculators and tools built specifically for India. Whether you're planning a home loan, comparing the new and old tax regimes, estimating your in-hand salary, or growing wealth through SIPs, you get the exact number in seconds — with clear charts, downloadable Excel schedules, and zero sign-up. New tools are added regularly, so bookmark us and check back.
Frequently Asked Questions
Are FinTools calculators free?
Yes — every calculator is 100% free, needs no sign-up, and runs instantly in your browser.
Are they accurate and updated for India?
Yes. They use standard formulas with Indian number formatting (₹, lakhs, crores) and are updated for the latest tax slabs and rates, including FY 2025-26.
Can I download the results?
Most calculators let you download the full schedule or breakup as an Excel/CSV file with one click.
Is my data safe?
Calculations run entirely in your browser. We don't require a login and don't store your inputs.