Rates & sources
UK tax rates and thresholds, as published by HMRC. Scotland and Wales have devolved rates for income tax and property transactions.
Source: HMRC — Tax rates — figures refreshed at the start of each tax year.
When to use this calculator
- Before accepting a pay change, bonus, pension contribution, or salary-sacrifice option.
- When you want to compare employed, self-employed, or dividend-based income scenarios.
- When you need a simple take-home estimate before running payroll or filing returns.
- When you are approaching the £100,000 income level and want to understand the personal allowance taper effect.
- When you are planning a salary sacrifice arrangement and need to see the net pay impact before agreeing terms.
A realistic South Africa planning example
Use these sample inputs as a quick scenario test, then change one variable at a time to compare outcomes.
Amount (R)
10000
Calculation Type
Add VAT to ex-VAT price
Supply Type
Standard-rated (15%)
After entering these figures, review ex-vat amount, vat amount and vat-inclusive amount together rather than in isolation — each metric tells a different part of the story. Then rerun the tool with one input adjusted to see which variable has the biggest effect on all three outputs before you settle on a plan.
How to read your results
Ex-VAT Amount
Use this metric to compare scenarios side by side and understand how changes in the key inputs drive the final outcome. If the figure surprises you, isolate one variable at a time and rerun the calculation to identify which assumption is responsible.
VAT Amount
Use this metric to compare scenarios side by side and understand how changes in the key inputs drive the final outcome. If the figure surprises you, isolate one variable at a time and rerun the calculation to identify which assumption is responsible.
VAT-Inclusive Amount
Use this metric to compare scenarios side by side and understand how changes in the key inputs drive the final outcome. If the figure surprises you, isolate one variable at a time and rerun the calculation to identify which assumption is responsible.
VAT Rate
Use this metric to compare scenarios side by side and understand how changes in the key inputs drive the final outcome. If the figure surprises you, isolate one variable at a time and rerun the calculation to identify which assumption is responsible.
Method & assumptionsAuthoritative sources
Value-Added Tax (VAT) is an indirect consumption tax levied at each stage of the supply chain in South Africa. Introduced in 1991 and currently set at 15% for standard-rated supplies, VAT is collected by SARS-registered vendors who charge output tax on their sales and offset it against input tax paid on their purchases. The net difference is remitted to SARS via a VAT201 return, typically every one or two months. For consumers, VAT is embedded in the prices of most goods and services they purchase, with the exception of zero-rated items such as basic foods and exports, and exempt supplies such as residential accommodation. Understanding whether a price is quoted exclusive or inclusive of VAT is essential for accurate budgeting, invoicing, and financial planning.
This calculator handles the three most common VAT calculations South African individuals and businesses need. Adding VAT converts an ex-VAT price to the amount you will actually pay at checkout or invoice. Removing VAT works in reverse — useful when you have received a VAT-inclusive quote and want to know the underlying cost before tax. The component calculation isolates the VAT element within an inclusive amount, which is needed when reconciling financial statements or confirming the VAT portion on a supplier invoice. For zero-rated or exempt supplies, the calculator correctly applies a 0% rate, reflecting SARS policy. Always verify your vendor's VAT registration number on the SARS e-filing portal before claiming input tax credits.
Common mistakes
- !Entering gross income when you really want take-home pay, or vice versa.
- !Ignoring pension contributions, deductions, or local tax rules that change the result.
- !Comparing monthly and annual figures without standardising them first.
- !Overlooking the National Insurance threshold changes that apply mid-year when rates or bands are adjusted in a Budget.
- !Assuming a salary sacrifice benefit reduces take-home pay by the full gross amount, rather than only the after-tax cost.
What to do next
- Check the same scenario with related pay or deduction calculators to see the full picture.
- Keep a copy of the assumptions you used so you can compare next tax year or pay period accurately.
- Read the related guides below if you are choosing between multiple income or deduction options.
- If you are self-employed, run the self-employment tax calculator alongside this result to compare the net position against employed income.
- Check whether increasing your pension contribution by even one or two percent changes the take-home significantly — use the pension calculator next.
Frequently asked
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End-of-article next steps
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