Contact Us

We’d love to hear from you. Whether you have a question, suggestion, or found an error in one of our calculators, please get in touch.

Get in Touch

Email: hello@sumza.co.za

We aim to respond within 24-48 hours during business days.

Report an Error

If you find an error in any of our calculators, please let us know. We take accuracy seriously and will investigate and fix any issues promptly. Include the calculator name, the values you entered, and the result you expected.

Suggest a Calculator

Have an idea for a calculator that would help South Africans? We’re always expanding our collection. Let us know what you need and we’ll consider adding it.

Advertising & Partnerships

Interested in advertising on SumZA or forming a partnership? Please reach out to us at hello@sumza.co.za with “Partnership” in the subject line.