Calculators
Mortgage Calculator
See the monthly repayment and total interest on a home loan, using the rate you've been quoted or your own assumption.
Monthly repayment on a home loan
Enter the loan amount, term, and the rate you've been quoted (or your own assumption) to see the monthly repayment and total interest.
- Monthly payment
- KES 102,400
- Total paid
- KES 24,575,957
- Total interest
- KES 16,575,957
Illustration only, not a loan offer — commercial mortgage rates in Kenya have run roughly 14.5%-14.8% recently, while KMRC-backed affordable-housing mortgages have been reported below 10% (around 9.5%) for qualifying borrowers, so it's worth checking whether you qualify for that scheme before assuming the standard rate. Confirm your actual rate and terms with your lender.
How mortgage amortization works
A mortgage is repaid through amortization: a fixed monthly payment, calculated so that it covers both the interest accruing on the outstanding balance and a slice of the principal, with the loan fully cleared by the end of the term. In the early years, most of each payment goes toward interest, because the outstanding balance — and so the interest charged on it — is still large. As the balance falls, a growing share of each identical payment goes toward principal instead.
The payment itself depends on three things: how much you borrow, the rate you're charged, and how long you have to repay it. A longer term lowers the monthly payment but increases the total interest paid over the life of the loan, since the balance stays outstanding — and accruing interest — for longer.
Standard vs. affordable-housing mortgage rates
| Mortgage type | Representative rate range |
|---|---|
| Standard commercial mortgage | 14.5% – 14.8% |
| KMRC-backed affordable housing (qualifying borrowers) | Below 10%, around 9.5% |
Ranges reported for the Kenyan mortgage market, referencing the Central Bank of Kenya's weighted-average lending rate (14.5%-14.8%, February-May 2026), as of 21 July 2026. These are a starting point for comparison, not a quote for your specific loan — it's worth checking whether you qualify for the KMRC scheme before assuming the standard rate applies to you.
Worked example: KES 8,000,000 over 20 years
Using the calculator's own defaults — a KES 8,000,000 loan at 14.5% over 20 years — the monthly payment works out to KES 102,400. Multiplied across 240 monthly payments, that's KES 24,575,957 paid in total, of which KES 16,575,957 is interest — more than double the amount originally borrowed. Keeping every other input the same but switching to the affordable-housing rate of 9.5% drops the monthly payment to KES 74,570, a difference of almost KES 28,000 a month, which is why it's worth confirming eligibility for that scheme before borrowing at the standard rate.
The figures above are principal and interest only — they don't include mortgage insurance, arrangement fees, or other charges your lender may add. Use the Home Affordability Calculator to work backward from your income instead, or the Refinance Calculator if you already hold a mortgage and want to check whether a lower rate is worth switching to.
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