Money math, explained in plain English.
Mortgages, loans, investing, debt and business numbers — calculated instantly and explained in words you can act on. Private by design: everything runs in your browser.
All calculators
Loans
Loan Calculator
Work out the fixed monthly payment (EMI) on any personal, student or business loan, and see…
Mortgage Calculator
See your true monthly housing cost — not just principal and interest, but property tax,…
Car Loan Calculator
Get your monthly car payment with sales tax, dealer fees, down payment and trade-in all…
Rent vs Buy Calculator
Compare the full cost of renting with buying over the years you plan to stay — including…
Loan Comparison Calculator
Put two loan offers side by side — rate, term and fees — and see which is truly…
Savings & Investing
Compound Interest Calculator
Find out how much your savings or investments will grow when interest earns interest — with…
Monthly Investment (SIP) Calculator
Estimate what a regular monthly investment — a SIP in India, or automatic investing anywhere —…
Retirement Calculator
Project your retirement nest egg and compare it with what you need for the income you want,…
Savings Goal Calculator
Set a target and a deadline — we'll tell you the monthly amount that gets you there, counting…
Inflation Calculator
See what today's prices will cost in the future — and how much buying power cash loses each…
Emergency Fund Calculator
Work out how big your safety net should be and how many months it will take to…
Debt
Business
ROI Calculator
Measure how much an investment returned in total and per year, so you can compare opportunities…
Profit Margin Calculator
Enter cost and selling price to get gross profit, margin and markup — and finally understand…
Sales Tax & VAT Calculator
Add tax to a price or pull it out of a tax-inclusive total — at any sales tax, VAT or GST…
CAGR Calculator
Find the steady yearly growth rate that turns a starting value into an ending value — for…
Break-Even Calculator
Find how many units you must sell to cover your costs — the point where profit…
Markup Calculator
Set a markup on your cost to get the selling price — and see the margin that price really gives…
Income
Answers, not just numbers
Every result comes with a plain-English explanation built from your own figures, so you know what it means.
Private by design
No accounts, no server. Your numbers never leave your device.
Free to embed
Add any calculator to your site with one line of code — great for blogs, agents and advisers.
Why CalcPane?
Most calculators give you a number and leave you guessing. CalcPane shows the formula, a worked example and a short explanation of what your result means — for example how much of your mortgage payment is PMI, or whether the debt avalanche really saves you money. Built US-first, with support for twelve currencies.