Interest Exemption Calculator
Local Interest Exemption Calculator (2026/27)
In 2026/27, the first R23,800 of interest from South African sources is tax-free if you are under 65, and the first R34,500 if you are 65 or older. Interest above that is added to your taxable income and taxed at your marginal rate. Enter your interest and income below to see the exact tax.
Uses SARS 2026/2027 rates, checked 29 July 2026.
Interest Exemption Calculator
Your Interest Tax
Your extra tax on interest will show here.
Example: R40,000 of interest on R400,000 of other taxable income, under 65: R23,800 is exempt, R16,200 is taxable and adds about R5,022 of tax at 31%.
Estimate only. It covers interest from South African sources earned by a natural person and ignores medical credits and other deductions.
Source: SARS: Interest and dividends, 2026/27 tax year.
Want your savings to grow tax-free? Try the TFSA calculator. To see your tax on all your income, use the income tax calculator.
Interest Exemption FAQ
Common questions about the tax-free interest exemption in South Africa
Next step
Interest above the exemption is taxed. Growth inside a tax-free savings account is not.
Important Disclaimer
Accounter does not provide accounting, tax, business or legal advice. This calculator has been provided for information purposes only. You should consult your own professional advisors for advice directly relating to your business.