Income Tax Estimator
Estimate your income tax with deductions, rebates, and credits. Supports SA, US, UK, CA, and AU tax tables.
// Progressive Tax
Most countries use progressive brackets — you only pay the higher rate on income above each threshold, not on all your income. This is why your effective rate is always lower than your marginal rate.
// Retirement Annuity (SA)
RA contributions are tax-deductible up to 27.5% of taxable income, capped at R350,000 per year. This is one of the most powerful tax savings tools in SA — every R1 contributed saves you tax at your marginal rate.
// SA Tax Rebates 2024/25
Primary (all): R17,235. Secondary (65+): R9,444. Tertiary (75+): R3,145. These reduce your tax directly, not your taxable income.
// Medical Aid Credits (SA)
Monthly credits: R364 for main member, R364 for first dependant, R246 for each additional dependant. These reduce tax owed, not taxable income.
// UIF (SA)
Unemployment Insurance Fund: 1% of salary deducted, matched by employer. Capped at R177.12/mo (based on max insurable earnings of R17,712/mo). This is an after-tax deduction.
// Effective vs Marginal
Your marginal rate is the bracket your last rand falls into. Your effective rate is total tax ÷ total income — usually much lower. A R150k/mo earner in SA pays ~36% marginal but around 33% effective.
// Tax-Free Savings (SA)
SA residents can invest up to R36,000/yr (lifetime R500k) in a Tax-Free Savings Account where all growth, dividends, and interest are exempt from tax. Not deductible, but all returns are tax-free.
// Donations Deduction (SA)
Donations to approved S18A organisations are deductible up to 10% of taxable income. Get a S18A certificate from the charity to claim the deduction.
// How to Use Online Income Tax Estimator
- Enter or paste your source data into the tool input.
- Click the primary action button to run Online Income Tax Estimator.
- Review the output, then copy or export your result.
// FAQ: What does Online Income Tax Estimator do?
Online Income Tax Estimator helps you estimate your income tax with deductions, rebates, and credits. supports sa, us, uk, ca, and au tax tables in your browser with instant results.
// FAQ: How do I use Online Income Tax Estimator?
Paste or type your input, choose the needed action, and copy the generated output when the result is ready.
// FAQ: Is my data safe when using Online Income Tax Estimator?
Yes. Processing runs in your browser session for this page, so your content is not uploaded by this tool workflow.
// FAQ: Can I use Online Income Tax Estimator on mobile devices?
Yes. Online Income Tax Estimator works on modern mobile browsers, so you can run it from phones and tablets.