Editorial Policy

Last updated: May 2026

Our Mission

SumZA provides free, accurate financial calculators and tools for South African users. Our editorial standards ensure reliability and trust.

Calculator Accuracy

All calculator formulas are based on:

SARS (South African Revenue Service) tax tables and brackets
BCEA (Basic Conditions of Employment Act) rates and regulations
Official Eskom tariff structures
Reserve Bank interest rate data
Department of Transport fuel price data

Review Process

Our calculators are reviewed regularly:

Tax calculators are updated within 48 hours of SARS announcements
UIF and employment calculators follow BCEA amendments
Property calculators reflect current transfer duty thresholds
Fuel and electricity calculators use the latest published rates

Disclaimer

Our calculators provide estimates for informational purposes only. They do not constitute financial, tax, or legal advice. Always consult a qualified professional for important financial decisions.

Corrections

If you find an error in our calculators, please report it to hello@sumza.co.za. We investigate and correct errors within 24 hours.