Free tools
Free business calculators for South Africa
VAT, VAT return dates, salaries, job costing and loan repayments, worked out the South African way with the working shown.
- No sign-up
- Nothing you type is sent to us
- South African rules
Quick VAT sum
- Before VAT
- R1 000.00
- VAT at 15%
- R150.00
- Including VAT
- R1 150.00
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Each one shows how the answer was worked out, so you can check it or explain it to someone else.
VAT calculator
Add 15% VAT to a price, or work out the VAT inside a price you were quoted.
Example: R1 150 including VAT
Before VATR1 000.00VAT at 15%R150.00 Divide by 1.15, never take 15% off.
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VAT return due dates
Every VAT201 submission and payment date for the year, moved for weekends and public holidays.
Example: Filing on eFiling
Period endsLast day of the monthReturn and payment dueLast business day of the next month Weekends and public holidays move it earlier, never later.
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Markup, margin and job costing
The real cost of a job, what to charge for the margin you want, and what a discount does to profit.
Example: Cost R100, sell R150
Markup50%Margin33.3% Waste, labour, overheads, setup and rejects included.
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Loan and bond calculator
Monthly instalment, payoff date and total interest, and what paying extra each month saves.
Example: R500 000 at 11.75% over 20 years
Monthly instalmentR5 418.54Total interestR800 448 See what paying extra each month saves.
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Salary and PAYE calculator
PAYE, UIF and take-home pay on a salary, and what the employee costs the business.
Example: R30 000 a month, under 65
PAYER4 681.00Take-homeR25 141.88 2026/27 tax year, UIF included.
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Doing these sums every month?
Vali Business works out job costs from your real job cards and your VAT201 from your real invoices, with no spreadsheet in between.