About SumZA
SumZA is South Africa’s free calculator portal — a place to do your sums. We provide accurate, up-to-date financial calculators designed specifically for South African users.
Our Mission
We believe every South African deserves access to clear, accurate financial tools. Whether you’re calculating your take-home pay, working out your bond repayments, or figuring out VAT, SumZA gives you the answers you need — free, fast, and without any hidden catches.
Why Trust SumZA?
Our calculators use the latest SARS tax brackets, official Eskom tariff schedules, and current South African financial data. Every formula is shown transparently, and our economic variables are updated regularly by our team.
Our Calculators Are Built For
- Employees — understand your payslip, calculate PAYE and UIF deductions
- Home buyers — estimate bond repayments and transfer costs
- Vehicle buyers — compare finance deals and balloon payments
- Business owners — calculate VAT, profit margins, and break-even points
- Students — calculate APS scores and university admission points
- Everyone — percentage calculations, date math, and unit conversions
Data Sources
We draw our financial data from official South African sources including:
- South African Revenue Service (SARS) — tax brackets, rebates, thresholds
- Department of Employment and Labour — UIF rates and thresholds
- South African Reserve Bank (SARB) — prime lending rate
- Eskom — electricity tariff schedules
- Deeds Office — transfer duty thresholds
Disclaimer
SumZA provides calculators for informational and educational purposes only. Results should not be considered financial advice. Always consult a qualified financial professional for important financial decisions. See our full disclaimer.
Contact Us
Have questions or suggestions? We’d love to hear from you at hello@sumza.co.za