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Financial Calculators

Free calculators for gratuity, PPF, EPF, EMI, SIP, FD, NPS and income tax. Enter your numbers and get instant results.

Guides: SIP vs FD (India) · ₹5,000 monthly SIP · Old vs new tax regime examples · EPF vs PPF vs NPS · EMI prepayment guide · Tool use-case guides. For numbers first, jump to the SIP calculator or FD calculator.

Read the guide before you calculate

These posts explain the assumptions behind the calculators, which helps both SEO and user confidence.

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Choose by goal, not by tool name

Most users start with one number need: monthly cash flow, tax outgo, or retirement corpus. Use these goal clusters to pick the next action quickly.

Debt and affordability

Compare EMI burden, prepayment impact, and safer parking alternatives for near-term goals.

EMI · FD · Prepayment guide

Tax and salary planning

Estimate old vs new regime, validate HRA exemption, and map NPS impact before payroll declarations.

Income tax · HRA · Regime examples

Retirement and compounding

Build corpus scenarios across EPF, PPF, NPS, and SIP instead of depending on a single product.

EPF · PPF · NPS

Popular next actions

Explore related guides

Go deeper with step-by-step workflow guides for specific scenarios, then return to the calculator when you are ready.

SIP planning workflows · GST invoice workflows · Rent and salary documentation workflows

How to use these calculators effectively

Each calculator on RealBill is designed for quick scenario planning — enter your numbers and get instant results. They work entirely in your browser with no data sent to any server. For best results, run multiple scenarios with different assumptions (conservative, moderate, optimistic) rather than relying on a single projection. All calculators use standard Indian financial formulas and are updated for the current financial year.

For tax planning: Start with the Income Tax Calculator to compare old vs new regime, then use HRA and Gratuity for specific deductions. For investment planning: Compare SIP, PPF, and FD returns side by side for the same amount and tenure. For loans: Use the EMI Calculator before signing a loan agreement to understand your monthly commitment and total interest cost.

Frequently Asked Questions

Are these calculators free to use?
Yes. All 14 calculators on RealBill are completely free with no signup, no account, and no download limits. They run entirely in your browser — no data is sent to any server. Use them as many times as you need for planning and scenario comparison.
Do calculators include India-specific assumptions?
Yes. All calculators use Indian financial parameters: income tax slabs for both old and new regime, EPF contribution rates (12% employee + 12% employer), PPF interest rate (currently 7.1%), HRA metro vs non-metro rules, and GST rate structure. We update these when official rates change.
How accurate are the results?
Calculator results are accurate for the formulas and assumptions used, but they are estimates — not guarantees. SIP returns depend on actual market performance, tax laws change periodically, and interest rates fluctuate. Use these tools for planning and directional guidance, then consult a Chartered Accountant or SEBI-registered advisor for official decisions.
Which calculator should I start with?
If you are salaried, start with the Income Tax Calculator to compare old vs new regime — this impacts all other planning. If you are evaluating an investment, use the SIP calculator for market-linked options or the FD/PPF calculator for fixed-return options. For home or car loans, the EMI calculator helps you understand monthly commitments before signing.
Can I use these calculators on mobile?
Yes. All calculators are fully responsive and work on smartphones, tablets, and desktops. The interface adapts to your screen size. Results update in real-time as you change inputs — no need to click a separate calculate button.