Free Business Loan Repayment Calculator
Enter the loan amount, annual interest rate and term to see the monthly instalment, the total you will repay, and the total interest cost.
Use it before any funding application – an instalment your cash flow cannot carry is a decline or a default waiting to happen. See how to get business funding.
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Frequently Asked Questions
How is a business loan repayment calculated?
With a standard amortisation formula: the monthly instalment combines principal and interest so the loan reaches exactly zero at the end of the term.
What interest rate do small business loans charge in South Africa?
Rates vary widely by funder and risk – bank rates track prime-linked pricing, while alternative lenders price higher. Always compare the total repayable, not just the rate.
Is it cheaper to repay faster?
Yes – a shorter term raises the instalment but cuts total interest sharply. Match the term to the life of what the money buys.
Official sources
About BizAnswers: BizAnswers is a privately owned South African company – not a government department. Our guides are free to read and show you how to do things yourself through official channels. If you would rather have the paperwork handled for you, we assist individuals and businesses with filing their South African tax returns and staying compliant, which is a paid service, not a free government service. Contact us for help.
Last reviewed: September 2026 by the BizAnswers editorial team. How we write and check our guides.