Rupee Rubric Rupee Rubric

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Savings Calculator

Your savings rate — the share of your take-home pay you invest instead of spend — decides more about your eventual wealth than which fund you pick. Saving 20% of a ₹50,000 salary is ₹10,000 a month, which at 12% is just under ₹1 crore in 20 years against ₹24 lakh of actual contributions.

Set your income, the percentage you invest, and the return you expect, then move the duration slider to see how the corpus responds. Hover the ? on any field if you're unsure what to enter. The full explanation is below — it compares a weak saver in a great fund against a strong saver in an average one, and the loser isn't the one you'd guess.

Calculator

Savings Growth

Monthly Income (₹) ? Your take-home pay — what lands in your bank account each month after PF and tax, not the CTC figure on your offer letter.
Savings Rate (%) ? The share of that income you invest instead of spending. 20% is a reasonable target; below 10% wealth barely builds, and above 30% the timeline shortens quickly.
Expected Return (%) ? The annual return on wherever you put the money. Equity index funds have averaged around 12% over long periods; a bank FD gives 6–7% before tax.
Duration ? 10 years How long you keep saving, dragged on the slider below. Ten years mostly shows your own contributions; past twenty, growth starts to dominate the total.
Monthly Saved ? Income × savings rate — the actual rupee amount you invest each month. This is the number to set up as a standing instruction.
Total Invested ? Everything you contributed across the whole period, before any growth is counted.
Final Corpus ? What those savings are worth at the end. The gap between this and total invested is compounding — money you never had to earn.

How your savings rate builds wealth

Saving 20% of ₹75,000/month means ₹15,000 invested every month. Invested in an equity fund at 12%, after 20 years that becomes approximately ₹1.5 crore — on a total investment of ₹36 lakhs. The remaining ₹1.14 crore is pure compounding.

Most people obsess over picking the right fund. That matters, but it's secondary. Going from a 10% to a 30% savings rate on the same salary has a larger impact on final wealth than going from a 10% to a 15% investment return.

The formula

Your monthly savings is invested as a SIP, so the same compounding formula applies:

Monthly Savings → Final Corpus Monthly Savings = Income × Savings Rate ÷ 100
Corpus = Monthly Savings × [ (1 + r)n − 1 ] ÷ r × (1 + r)
Example: ₹75,000 income, 20% savings rate, 12% returns, 20 years →
Monthly savings = ₹75,000 × 20% = ₹15,000/month
r = 12% ÷ 12 = 1% per month, n = 240 months
Corpus = 15,000 × [(1.01)240 − 1] ÷ 0.01 × 1.01 = ₹1.49 crore

Why savings rate beats return rate

Compare these two scenarios on ₹75,000/month over 20 years:

ScenarioSavings RateReturnFinal Corpus
A — low savings, great fund10%15%~₹1.1 Cr
B — high savings, average fund30%11%~₹3.0 Cr

Scenario B wins by nearly 3×, despite a worse return rate. Control what you can — and savings rate is entirely in your control.

Frequently Asked Questions

What savings rate is realistic on an Indian salary?

20% is achievable for most single earners in tier-2 cities. In metros with high rent, 10–15% is more realistic initially. In a dual-income household with controlled lifestyle inflation, 35–45% is possible and worth targeting.

Should I invest my savings in equity or keep it in FD?

It depends on the timeline. Emergency fund (3–6 months expenses): liquid fund or sweep FD. Money you need within 1–3 years: FDs or short-duration debt funds. 5+ year goals: equity index funds. Never put money you might need soon into equity — volatility can wipe 30% in a bad year.

How does lifestyle inflation affect this?

If your income grows 10% per year but your lifestyle grows 10% too, your savings rate never improves. The compounding benefit of keeping lifestyle inflation below income growth is enormous — a 1% higher savings rate sustained over 20 years can mean ₹15–20 lakhs extra at the end.

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