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India's Smartest Personal Finance Platform

Free financial calculators, tools and guides to plan investments, manage loans and save taxes — all in one place.

46+

Calculators

37+

In-Depth Guides

44+

Productivity Tools

Jul 2026

Last Updated

SIP Calculator

Monthly Investment

Monthly SIP Amount

₹10,000

Expected Return (p.a.)

12%

Investment Period

15 years

Projected Corpus

₹50.4 Lakh

Invested: ₹18 LakhReturns: ₹32.4 Lakh
12% CAGR · 15 years

More Than a Calculator Website

More Than a Calculator Website

Built for India, used worldwide — with accuracy and transparency at our core.

CoinMind is a free, privacy-first personal finance platform with 46 calculators, 44 tools, and expert guides. Every formula is verified against official sources and updated after every Union Budget.

RBI-Aligned

Formulas follow official guidelines

Expert-Reviewed

Checked by CA (Final) candidate

Post-Budget Updates

Updated within 48 hours of every Budget

Privacy-First

All calculations run in your browser

No Login

No sign-up, no account, no email

100% Free

Every tool is completely free, forever

Built for India

Designed for Indian investors, taxpayers and savers — with support for INR, Indian tax regimes, and local financial products.

India

Primary audience — 46 calculators with Indian tax, SIP, PPF, NPS support

United States

Mortgage, retirement, currency — USD support throughout

United Kingdom

GBP support, mortgage and VAT calculators

Trust & Accuracy

Built on Transparency and Accuracy

Six principles that guide everything we build.

Source-Verified

Every formula cross-checked against SEBI, RBI and IT Department publications.

Expert-Reviewed

All content reviewed by a CA (Final) candidate for accuracy and relevance.

Budget-Ready

Updated within 48 hours of every Union Budget and regulatory change.

Radically Transparent

We show the formula behind every calculation — no black boxes.

Privacy by Design

Zero data leaves your device. No accounts, no tracking, no storage.

Commitment Free

Every tool is free, forever. No upsells, no hidden tiers, no paywalls.

How It Works

How Our Calculators Work

From entering your numbers to actionable insight — in seconds.

1

Choose Your Calculator

Pick from 46 calculators — SIP, EMI, income tax, FD, PPF and more.

2

Enter Your Numbers

Type in your amounts, rates and timeframes. Every input is clearly labelled.

3

See Instant Results

Get your answer immediately with breakdowns, charts and year-wise tables.

FV = P × [((1+r)n − 1) / r] × (1+r)

Result: ₹50.4 Lakh

4

Take Action

Use the insight to open a SIP, apply for a loan, or save on taxes.

AI Assistant

Get Instant Answers

Ask any finance question and get an instant, clear answer — powered by AI, verified for accuracy.

How much SIP do I need for ₹1 crore in 20 years?

At 12% expected returns, you need approximately ₹10,000 per month. With a 10% annual step-up, start at ₹6,500.

Which tax regime saves more for ₹15 lakh salary?

Journeys

Your Financial Journey, Mapped Out

Start where you are — we will show you the next step.

Glossary

A–Z Finance Terms

Plain-English definitions of key finance and AI terms.

SIP

A Systematic Investment Plan (SIP) is a way to invest a fixed amount in a mutual fund at regular intervals, usually monthly, instead of a lump sum.

Mutual Fund

A mutual fund pools money from many investors and a professional manager invests it across stocks, bonds or other assets on their behalf.

PPF

The Public Provident Fund (PPF) is a government-backed savings scheme with a 15-year lock-in, tax-free interest and Section 80C tax deductions.

NPS

The National Pension System (NPS) is a government retirement scheme where you invest during your career to build a pension, with extra tax benefits.

EPF

The Employees' Provident Fund (EPF) is a retirement scheme where you and your employer each contribute 12% of your basic salary every month.

ELSS

An ELSS is a tax-saving equity mutual fund that qualifies for Section 80C and has just a three-year lock-in, the shortest of any 80C option.

NAV

Net Asset Value (NAV) is the per-unit price of a mutual fund: its total assets minus liabilities, divided by the number of units outstanding.

ETF

An Exchange-Traded Fund (ETF) is a basket of securities, often tracking an index, that trades on a stock exchange like a single share at low cost.

Index Fund

An index fund is a mutual fund that passively tracks a market index like the Nifty 50, aiming to match the market's return at a very low cost.

Compound Interest

Compound interest is interest earned on both your original money and the interest it has already earned, making savings grow faster over time.

Inflation

Inflation is the gradual rise in prices over time, which reduces the purchasing power of money, so the same amount buys less in the future.

CAGR

CAGR (Compound Annual Growth Rate) is the smoothed average yearly return of an investment over a period, as if it grew at a steady rate each year.

FAQ

Frequently Asked Questions

Yes, every calculator is completely free. No subscription, no sign-up, no hidden charges. All calculations run in your browser — we never see your data.

Yes. Our calculators use formulas aligned with RBI, SEBI, and Income Tax Department guidelines. We update them within 48 hours of every Union Budget and regulatory change.

No. All calculations run in your browser using JavaScript. Your numbers never leave your device — we cannot see, store, or share any data you enter.

CoinMind is for anyone in India, the US, or UK who wants to make smarter financial decisions — whether you are calculating an EMI, planning a SIP, comparing tax regimes, or learning about mutual funds.

No. CoinMind provides educational tools and information only. Our calculators and guides help you understand your options, but they are not a substitute for qualified financial advice.

Editorial Integrity

Editorial Standards & Accuracy

How we ensure everything on CoinMind is trustworthy.

Fact-Checked

Every number, claim and formula verified against primary sources before publication.

Plain English

Complex finance concepts explained without jargon. No padding, no fluff.

Regularly Updated

Content reviewed every quarter and updated after every Budget and RBI announcement.

Sources Cited

Every guide, comparison and definition links to its original source — RBI, SEBI, or IT Department.

Ready to Take Control of Your Finances?

Free calculators, expert guides, and AI-powered answers — all in one place. No sign-up needed.