Guaranty Trust Bank loan calculator for Ksh 500,000 over 20 years.
Estimate repayment for a Guaranty Trust Bank loan using the current 15.61% lending rate. Edit amount, term, rate and common Kenyan loan fees below.
Estimated monthly repayment
Ksh 6,810
240 monthly payments
Estimated total repayment
Ksh 1,634,496
Ksh 500,000 principal + interest
Estimated interest
Ksh 1,134,495
At 15.61%
Current Guaranty Trust Bank loan interest rate
Guaranty Trust Bank is listed at 15.61% weighted-average lending rate in this snapshot. The Kenya commercial-bank average is 15.99%.
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Loan details
KESCentral Bank of Kenya · May 2025
-0.38 pp vs industry average
Fees & duties
Processing, insurance, and 20% excise on interest.
CRB check, legal, valuation, stamp duty.
Monthly payment
Ksh 8,528
For 240 months · incl. fees
Total repaid
Ksh 1,951,572
Principal Ksh 500,000 + Ksh 1,451,572 extras
Effective APR
20.52%
Advertised rate 15.61% · 226.9% interest on principal
Repayment mix over 20 years
Early payments lean on interest; later ones clear principal.
Amortisation (yearly)
End of year · KES| Year | Interest paid | Principal paid | Balance |
|---|---|---|---|
| 0 | Ksh 0 | Ksh 0 | Ksh 500,000 |
| 1 | Ksh 77,775 | Ksh 3,949 | Ksh 496,051 |
| 2 | Ksh 154,888 | Ksh 8,561 | Ksh 491,439 |
| 3 | Ksh 231,227 | Ksh 13,947 | Ksh 486,053 |
| 4 | Ksh 306,663 | Ksh 20,236 | Ksh 479,764 |
| 5 | Ksh 381,043 | Ksh 27,581 | Ksh 472,419 |
| 6 | Ksh 454,191 | Ksh 36,157 | Ksh 463,843 |
| 7 | Ksh 525,900 | Ksh 46,173 | Ksh 453,827 |
| 8 | Ksh 595,929 | Ksh 57,869 | Ksh 442,131 |
| 9 | Ksh 663,996 | Ksh 71,526 | Ksh 428,474 |
| 10 | Ksh 729,772 | Ksh 87,476 | Ksh 412,524 |
| 11 | Ksh 792,872 | Ksh 106,101 | Ksh 393,899 |
| 12 | Ksh 852,847 | Ksh 127,850 | Ksh 372,150 |
| 13 | Ksh 909,173 | Ksh 153,249 | Ksh 346,751 |
| 14 | Ksh 961,238 | Ksh 182,908 | Ksh 317,092 |
| 15 | Ksh 1,008,328 | Ksh 217,544 | Ksh 282,456 |
| 16 | Ksh 1,049,607 | Ksh 257,990 | Ksh 242,010 |
| 17 | Ksh 1,084,100 | Ksh 305,221 | Ksh 194,779 |
| 18 | Ksh 1,110,669 | Ksh 360,377 | Ksh 139,623 |
| 19 | Ksh 1,127,985 | Ksh 424,786 | Ksh 75,214 |
| 20 | Ksh 1,134,495 | Ksh 500,000 | Ksh 0 |
What affects repayment?
Monthly repayment depends on loan amount, term, lending rate, processing fee, insurance and excise duty on interest.
Longer term tradeoff
A longer term can reduce monthly instalments but usually increases total interest paid over the life of the loan.
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Weighted-average rates differ by bank. Compare this loan against cheaper banks before applying.