Estimate UK CGT on property, shares, and business assets
Calculate Capital Gains Tax for individuals on a single disposal — residential property, shares, cryptoassets or business assets. Handles ownership splits, Private Residence Relief (manual or auto from dates), Business Asset Disposal Relief, brought-forward and current-year losses. Supports 2024/25, 2025/26 and 2026/27.
Free — no sign-up requiredEnter the taxpayer's share of the asset / gain.
Use taxable income after allowances and reliefs.
Full sale proceeds before ownership split.
Full original purchase price before ownership split.
Manual deduction only. Leave as 0 if not required.
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