The capital gains indexation calculator helps investors with long-term gains to save on taxes, allows the taxpayer to inflate the purchase price of the asset by considering the impact of inflation and also calculate the taxable gain by considering the sale price. Updated per latest Union Budget 2025 LATEST. Learn how capital gain benefits with and without indexation impact your taxes. Understand STCG vs LTCG, indexation rules, and how to reduce tax via set-off and carry forward of capital losses. Indexation helps to reduce the tax on long-term capital gains for immovable property. Learn how indexation works, explained with an example. Indexation lets taxpayers adjust an asset's purchase price for inflation using the Cost Inflation Index (CII). This adjustment lowered taxable gains. For instance, if someone bought a property for ₹50 lakh in 2015 (CII: 200) and sold it in 2025 (CII: 363), the indexed cost would be ₹90.75 lakh.
