Investment Calculators
Capital Gains Calculator
Estimate the taxable gain on an asset sale after costs and any allowance, and the tax due at your rate.
Estimated tax due
$2,420
- Gross gain
- $15,100
- Taxable gain
- $12,100
- Net proceeds after tax
- $32,680
Gross gainTaxableTax
How this calculator works
Taxable gain = sale − purchase − costs − allowance; Tax = taxable gain × rate
- allowance
- any tax-free amount available in the year of sale
Important considerations
- Rates and allowances vary by jurisdiction, asset type and how long you held it.
- Losses carried forward from other disposals can reduce the taxable gain.
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Learn more
Terms used here
Frequently asked questions
Do costs really reduce the gain?
Allowable acquisition and disposal costs usually do, but the rules on what qualifies are specific.
Disclaimer
Legamoney calculators are educational tools. Results are estimates based on the figures you enter and do not constitute financial, tax or legal advice.
Last reviewed 2026-08-01