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How to Use Cost Inflation Index (CII) Calculator for Property Online for Free: Step-by-Step Guide

Index the cost of a property with the CII and work out the long-term capital gain and 20% tax. Free, private and no sign-up.

Saizul Amin
Saizul Amin21 Oct 2026 · Updated 22 Oct 2026 · 4 min read
How to Use Cost Inflation Index (CII) Calculator for Property Online for Free: Step-by-Step Guide

How to Use Cost Inflation Index (CII) Calculator for Property Online for Free

Index the cost of a property with the CII and work out the long-term capital gain and 20% tax. This guide shows what Cost Inflation Index (CII) Calculator for Property does, how to use it step by step, what to watch out for, and which related tools on shobfree.com can help next.

Quick answer

Open Cost Inflation Index (CII) Calculator for Property, type your numbers or pick the options you need, check the result that appears, and then use it. Cost Inflation Index (CII) Calculator for Property is free, needs no account and runs in your browser, so what you type or add stays on your device.

What Cost Inflation Index (CII) Calculator for Property does

  • Index the cost of a property with the CII and work out the long-term capital gain and 20% tax.
  • Choose the financial year you bought and the year you sold, and enter the purchase cost, improvement cost, sale price and selling expenses.
  • The calculator indexes your cost with the CII, shows the indexed gain and the tax at 20% plus cess.

Choose the financial year you bought and the year you sold, and enter the purchase cost, improvement cost, sale price and selling expenses. The calculator indexes your cost with the CII, shows the indexed gain and the tax at 20% plus cess.

How to use Cost Inflation Index (CII) Calculator for Property, step by step

  1. Fill in the boxes. Type your numbers or pick the options you need.
  2. See the result. The answer updates right away as you change a value.
  3. Use it. Copy the result or note it down. Nothing is sent anywhere.

These three steps are the same on a phone and on a computer. If something looks wrong, change one setting and look at the result again; Cost Inflation Index (CII) Calculator for Property updates as you go.

A worked example

A property bought for ₹30 lakh in FY 2015-16 (index 254) and sold in FY 2023-24 (index 348) for ₹70 lakh with ₹70,000 of expenses: indexed cost is ₹41.10 lakh, the gain ₹28.20 lakh and tax at 20% with cess about ₹5.87 lakh.

Tips for a good result

  • Treat the result as an estimate and confirm important figures with the official source.
  • Run a best case and a worst case, then keep both numbers for your planning.
  • Change one value at a time, so you can see which input moves the result.
  • Double-check the units and the currency or period before you trust a number.

Who is this for?

Cost Inflation Index (CII) Calculator for Property is useful for anyone who needs index the cost of a property with the CII and work out the long-term capital gain and 20% tax without installing software or paying for a subscription. Students, freelancers, office staff and small-business owners use tools like this for quick, one-off jobs where a full application would be too much.

Frequently asked questions

Which year counts for the purchase?

The financial year in which you bought, written as the year it starts.

Is the CII fixed?

It is notified every year. The table here goes up to FY 2025-26.

What if I bought before 2001?

Use the fair market value on 1 April 2001 as the cost, and index from 2001-02.

Is indexation still available?

Only for resident individuals and HUFs for property bought before 23 July 2024.

Do I need to create an account to use Cost Inflation Index (CII) Calculator for Property?

No. Open the page and start. There is no sign-up, no email and no payment.

Can I use Cost Inflation Index (CII) Calculator for Property on my phone?

Yes. The page adapts to small screens, and everything runs in your phone's browser, so the same steps work on a laptop or a phone.

Privacy

Cost Inflation Index (CII) Calculator for Property works inside your browser. Your files, text and numbers are not uploaded to a server, and there is nothing to delete afterwards.

Completely freeNo cost, no sign-up
Files stay privateEverything runs in your browser
Easy in your languageAvailable in many languages