Provisional Tax Calculator South Africa

If you freelance, run your own business, or earn income SARS doesn't already tax through PAYE, this free Provisional Tax Calculator South Africa tool estimates your full-year tax liability and splits it into the two SARS provisional payments you're required to make. Enter your expected annual income, any deductible expenses, and a few optional details below, and this South Africa provisional tax calculator works out your estimated annual tax, your first and second provisional payments, and your effective tax rate, using the same individual income tax brackets SARS applies to every taxpayer.

Written by: MKR Dimension Research Team  |  Reviewed by: SA Tax Guide Editorial Team  |  Sources: SARS, National Treasury, Department of Employment and Labour  |  Who maintains SA Tax Guide?

Your total expected income from freelance work, your business, or other trade for the full tax year, before expenses.
Already know your taxable income after expenses? Enter it here and we'll use it directly instead of calculating it from the fields below.

Enter your estimated income to see your provisional tax breakdown.

How This Provisional Tax Calculator South Africa Tool Works

Most people who register as a provisional taxpayer are doing it for the first time because their income has changed, not because they planned to. Maybe freelance work has taken over from a full-time salary, a side business has grown into something real, or rental income has started landing in the bank account every month. This provisional tax calculator South Africa freelancers and small business owners can rely on takes that uncertainty out of the process. Enter an estimate of your income for the year, tell it what you expect to deduct, and it applies the same individual income tax brackets SARS uses on assessment to work out what you owe, then splits that figure into the two payments SARS actually expects from you.

As a provisional tax calculator for freelancers, self-employed South Africans, and independent contractors alike, it treats your estimated taxable income as the starting point for everything else: the annual tax, the effective rate, and the two provisional payments due during the year. If you already know your taxable income precisely, you can enter it directly instead of letting the tool calculate it from your income and expenses.

What Is Provisional Tax in South Africa?

Provisional tax is not a separate, additional tax. It's simply a mechanism SARS uses to collect ordinary income tax from people whose income isn't taxed monthly through an employer's PAYE system. A salaried employee has tax deducted automatically before they're even paid; a freelancer, sole proprietor, or landlord doesn't have that built-in deduction, so SARS requires them to estimate and pay their income tax themselves, twice a year, so that a large lump sum isn't due all at once when their annual return is assessed.

Who Must Pay Provisional Tax in South Africa?

You're generally treated as a provisional taxpayer if you earn income other than remuneration that already has full PAYE deducted by an employer. That typically includes freelancers, independent contractors, sole proprietors, business owners, and anyone earning rental or certain investment income above the relevant exemption thresholds. Not everyone with a bit of side income automatically has to register; SARS applies specific rules and thresholds to decide who qualifies, so if you're unsure whether you're a provisional taxpayer South Africa rules apply to, it's worth checking directly with SARS or a registered tax practitioner rather than assuming either way.

How Is Provisional Tax Calculated in South Africa?

To calculate provisional tax, you first need an honest estimate of your taxable income for the full tax year, meaning your gross income less any deductible business expenses, contributions to a retirement annuity, and other allowable deductions. That estimated taxable income is then run through the same progressive individual income tax brackets, currently 18% up to 45%, that apply to every South African taxpayer. Your primary rebate and any medical scheme fees tax credit are subtracted from the result, along with any PAYE you've already had withheld from a salary, to arrive at your total provisional tax liability for the year.

That liability is then split: roughly half is due at the first provisional tax payment date, and the remaining balance is due at the second. As a provisional tax SARS calculator, this tool follows exactly that sequence, so the figures it shows line up with how an IRP6 return is actually worked out.

When Is Provisional Tax Due in South Africa?

Provisional taxpayers with the standard February tax year-end make two compulsory payments. The first provisional tax payment is due by 31 August, six months into the tax year, and should cover roughly half of your total estimated tax liability for the year. The second is due by the last business day of February, at the end of the tax year, and covers the remaining balance based on your best estimate at that point. A third, entirely optional top-up payment can be made by 30 September if you want to reduce interest on any shortfall once your actual income for the year is known.

Provisional Tax for Freelancers and the Self-Employed

Freelance and self-employed income is the most common reason people search for a provisional tax calculator for freelancers or a self employed tax calculator South Africa tool in the first place. Because freelance income can vary month to month, it's worth re-running your estimate through this calculator whenever your income changes materially during the year, rather than only once at the start. That keeps your two payments closer to your actual liability and reduces the chance of a large top-up bill, or interest on an underpayment, once your final assessment is done. If you also draw a part-time salary alongside your freelance work, entering the PAYE already deducted from it ensures you're not taxed twice on the same rand.

Tip: once you've estimated your provisional tax, our PAYE calculator can show you what a comparable salaried income would look like after tax, and our salary converter is useful for turning an hourly or day-rate freelance income into an annual estimate first.

Provisional Tax Estimate: What This Calculator Doesn't Cover

This is a simplified provisional tax estimator built for a clear, quick estimate, not a substitute for an IRP6 submission. It doesn't account for the "basic amount" rule SARS uses to set a minimum acceptable estimate, capital gains, foreign tax credits, small business corporation tax rates for registered companies, or underestimation penalties for a materially low estimate. If your income situation is complex, involves a registered company rather than a sole proprietorship, or you're unsure about any of these details, speak to a registered tax practitioner before submitting your IRP6 return.

Worked Example

Say a freelancer expects R600,000.00 in income for the year, with R100,000.00 in deductible business expenses, no other income, and no PAYE already paid. Their estimated taxable income comes to R500,000.00, giving an estimated annual tax of R98,416.43 after the primary rebate, an effective tax rate of about 19.68%. That full liability becomes their provisional tax liability, split into a first payment of R49,208.22 due by 31 August, and a second payment of R49,208.21 due by the end of February.

Provisional tax FAQs

What is provisional tax in South Africa?

It isn't a separate tax. It's a way of paying ordinary income tax in advance, twice a year, for people whose income isn't already taxed through an employer's PAYE system, such as freelancers, sole proprietors and landlords.

Who must pay provisional tax in South Africa?

Anyone earning income other than a salary with full PAYE deducted, including freelancers, independent contractors, sole proprietors, and people with rental or investment income above certain thresholds. SARS's registration rules determine your exact status if you're unsure.

How is provisional tax calculated in South Africa?

You estimate your taxable income for the full year, apply the normal individual tax brackets, subtract your primary rebate and any medical tax credits, then subtract PAYE already withheld. The result is split into two payments during the year, which this calculator does automatically.

When is provisional tax due in South Africa?

The first payment is due by 31 August and covers roughly half your estimated annual tax. The second is due by the end of February and covers the remaining balance. An optional top-up third payment can be made by 30 September.

How much provisional tax do I need to pay?

It depends on your estimated taxable income for the year. Once tax is calculated on that estimate using the normal brackets and rebates, your first payment is generally half of that figure, with the second payment covering what's left after any PAYE already paid.

How do I calculate provisional tax for freelancers?

Add up your expected freelance income for the year, subtract deductible business expenses and retirement annuity contributions, then apply the individual income tax brackets to what's left. Enter those figures above and this calculator handles the rest.

What income is subject to provisional tax?

Business or freelance income, rental income, and other income not already fully taxed through PAYE all count toward your estimate. Salary income with PAYE already deducted is generally excluded, though entering it offsets your final liability.

How do provisional tax payments work if I also have a salary?

The PAYE already deducted from your salary is subtracted from your total estimated tax liability before your two provisional payments are worked out, so you aren't taxed twice on the same income.

Related Tools and Guides

  • PAYE Calculator: see what a comparable salaried income would look like after tax.
  • Salary Converter: turn an hourly, daily or weekly freelance rate into an annual income estimate.
  • Bonus Tax Calculator: check how a bonus or 13th cheque is taxed if you also earn a salary.
  • UIF Calculator: work out UIF on any salaried portion of your income.
  • Overtime Pay Calculator: work out overtime pay if you also hold salaried employment.
  • How PAYE Works: understand the same tax brackets this calculator applies to your estimate.
  • Full Tax Tables: every bracket, rebate and threshold for the current tax year.