Quick Math

Back-of-the-napkin finance.

Recalculates as you type. All in ₹, all in your browser — nothing leaves the page.

Loan amount ₹

Interest % p.a.

Tenure (years)

Extra / month ₹

Monthly EMI

—

Total interest

—

Total payable

—

Monthly ₹

Step-up % / yr

Return % p.a.

Period (years)

Future value

—

Invested

—

Est. gains

—

Investment ₹

Return % p.a.

Years

Future value

—

Est. gains

—

Corpus ₹

Return % p.a.

Withdraw / mo ₹

Corpus lasts

—

Total withdrawn

—

Current age

Retire at

Monthly expense ₹

Inflation %

Return till ret %

Return after %

Years in retire

Corpus needed

—

Expense at retirement /mo

—

Monthly SIP now

—

Amount today ₹

Inflation %

Years

Will cost in future

—

Future worth of it today

—

First tile: what something costing this much today will cost later. Second: what this amount will feel like in today's money.

Balance ₹

APR % (yearly)

Pay / month ₹

Time to clear

—

Total interest

—

Total paid

—

Home price ₹

Down payment %

Loan rate %

Loan tenure (yr)

Monthly rent ₹

Rent hike % /yr

Invest return %

Home apprec %

Maintenance % /yr

Years you'll stay

Net worth if buying

—

Net worth if renting + investing

—

Verdict

—

Simplified estimate — the renter invests the down payment plus the monthly difference. It ignores taxes, registration/brokerage and loan/HRA deductions, so treat it as a directional gut-check, not advice.

Amount ₹

GST rate %

Mode

Net (excl.)

—

GST amount

—

Gross (incl.)

—

Estimates for general guidance only — not financial, investment, or tax advice. See the full disclaimer.