Financial Calculators – INDwallet
🧮 India’s decision engine

Financial calculators

Eight India-specific tools for the decisions that move the needle — EMI, SIP, tax regime, rent vs buy, and more. All in your browser. Zero data collected.

✔ 100% free ✔ No data stored ✔ India-first ⚡ Under 30 seconds
8
🧮 Calculators
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🛠️ Tools & simulators
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Eight India-focused calculators

From your home loan to your tax regime — India-specific numbers, instant results, zero compromise on privacy. Pick the one that matches your decision.

  • EMI, SIP, Rent vs Buy, Emergency Fund
  • Freelancer vs Salary, Old vs New Tax
  • FD, RD — every calculator runs in-browser

What each calculator does

Every calculator focuses on a specific financial decision point. This breakdown helps you understand what each tool does, how to use it, and how the results connect to your broader financial plan.

India-focused topics & depthWhat you’ll walk away knowing
  • EMI Calculator: Monthly instalment, total interest paid, and amortisation schedule — home, car, or personal loan.
  • SIP vs Lumpsum: Future value comparison across time horizons — see the power of consistency vs timing.
  • Rent vs Buy: Long-term model including property appreciation, investment returns, and opportunity cost.
  • Emergency Fund: Months of coverage calculation with a 6-month target — the single most important financial buffer.
  • Freelancer vs Salary: True net income comparison after taxes, benefits, and variable expenses.
  • Old vs New Tax: FY 2025-26 tax liability with real slabs, 80C, HRA, standard deduction, and NPS inputs.
  • Fixed Deposit: Maturity amount, effective yield, and senior citizen rate comparison for lump-sum savings.
  • Recurring Deposit: Monthly savings growth with compounding — simple and powerful for short-term goals.

How Raj planned his finances in one session

Real examples from Mumbai and Delhi — see the calculators in action.

Raj, 32
Marketing Professional · Mumbai
EMI Calculator: ₹30L home loan at 8.5% for 20 years → EMI ₹26,030, total interest ₹32.4L. Rent vs Buy: Renting + investing surplus beats buying after 15 years. Old vs New Tax: New regime saves him ₹18,000/year.
Priya, 28
Freelance Designer · Delhi
Freelancer vs Salary: Freelancing yields 27% more net income than a salaried role. Emergency Fund: Needs ₹3.6L — currently at ₹1.8L, halfway there. SIP vs Lumpsum: ₹10K/month at 12% grows to ₹23L in 10 years.

Ten habits that turn calculations into real financial progress

Getting the most out of INDwallet’s calculators requires a deliberate approach. These best practices help you use the tools effectively and build lasting money habits.

Maximise your calculator experienceSimple habits for lasting financial growth
  • Emergency fund first: Before any investment — aim for 3–6 months of expenses.
  • Model before committing: Run the EMI calculator before signing any loan.
  • Compare tax regimes annually: Your optimal regime changes with salary hikes.
  • SIP consistency beats timing: The SIP vs Lumpsum calculator proves it.
  • Run Rent vs Buy every 2 years: Property markets shift — recalculate.
  • Don’t ignore opportunity cost: Every rupee in a low-yield FD has an alternative.
  • Freelance math is different: GST, TDS, no PF/ESI — use the simulator.
  • Revisit annually: Income, goals, and tax laws evolve.
  • Combine with wallets: Calculators answer “how much.” The four wallets track “are you hitting it?”
  • Zero data, full freedom: Everything runs in your browser — experiment freely.

You’ve read the playbook. Ready to turn these rules into one action? Open the Decision Engine →

Deepen your financial literacy

Six complementary guides to go with your calculator results.

📱 INDwallet app · on Base44

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🛡️Browser mode

Zero data. Nothing leaves your device.

Every calculator runs in your browser. No login, no server storage, no tracking. Close the tab and everything is gone.

Use the calculators →
📱App mode · Base44

Goals & sync, hosted on Base44.

The app adds goals, history and cross-device sync. Runs on Base44, which follows strict data and privacy controls.

Open Base44 app →

Both modes are 100% free. Browser mode collects nothing. App mode is hosted on Base44 — please review Base44’s privacy policy before signing up.

🧮 Calculated something useful? Now track it.

Frequently asked questions

📉 EMI & Loans
How accurate is the EMI Calculator?
It uses the standard reducing-balance formula used by Indian banks. Enter your principal, rate, and tenure for exact monthly instalment, total interest, and an amortisation schedule.
SIP vs Lumpsum — which is better?
SIP wins for most people because it removes market-timing risk through rupee-cost averaging. Lumpsum can win if you invest at market lows. The simulator shows the exact difference for your amount and tenure.
🏠 Real Estate
Should I rent or buy in India right now?
It depends on your city, price-to-rent ratio, and investment returns. The Rent vs Buy Simulator models appreciation, rental yield, and opportunity cost — in most Tier-1 cities, the break-even is 12–18 years.
📋 Tax
Which tax regime is better for me?
The new regime wins if your total deductions (80C + HRA + NPS + others) are below ~₹3.5L. Above that, the old regime often saves more. Run the Old vs New Tax Simulator with your actual numbers — it updates instantly.
🛡️ Safety Net
How much emergency fund do I need?
Target 6 months of essential expenses (rent, EMIs, groceries, utilities). The Emergency Fund Calculator tells you exactly how many months your current savings cover. Track it in the Wealth wallet.
🔐 Privacy & Usage
Is my financial data safe?
100%. All calculations run in your browser. No numbers are sent to any server, no cookies, no tracking. INDwallet is browser-first by design. Read our Privacy Policy.
Do I need to create an account?
No login, no signup — just open and calculate. For cross-device access and goal tracking, use the INDwallet App on Base44 (still private, with strict controls).
How often should I recalculate?
At every major life event — salary hike, new loan, new tax year, family change, or before any large purchase. Tax regimes especially change annually — always recalculate in April.

Connect with INDwallet

Join the community — get updates, tips, and new calculators as they launch.

🧭 Explore the INDwallet ecosystem

Calculators tell you the number. The wallets help you hit it.

The wallet intelligence loop

Three checkpoints that define your wallet

The Decision Engine reads your income, expenses, investments and protection across all four wallets. The Wallet Score measures them against six weighted components. The Investor Style shows the shape to aim for. Every calculator and tool builds on those three checkpoints.

Free · Browser: zero data · App on Base44: strict controls