Capital Gains Tax Calculator 2025 Uk. How to use the capital gains tax calculator (2025/25): With effect from 30 october 2025, the main rates of capital gains tax (cgt) for gains on assets other than residential property, were increased to 18% for basic rate taxpayers and 24% for.

Perfect for uk residents, this tool helps you swiftly calculate potential taxes on the sale of assets or property. Calculate your capital gains tax accurately with our online calculator.