Invest Ksh 250,000 at SBM Bank Kenya for 20 years.
At SBM Bank Kenya's current weighted-average deposit rate of 10.12%, a Ksh 250,000 deposit grows to about Ksh 1,876,144 after 20 years — about Ksh 1,626,144 in interest, assuming monthly compounding and no withdrawals.
Final balance
Ksh 1,876,144
7.50× your deposit
Deposited
Ksh 250,000
One-off, no withdrawals
Interest earned
Ksh 1,626,144
At 10.12% p.a.
Year by year
Contributions form the floor; interest compounds on top.
Could you earn more elsewhere?
The same Ksh 250,000 in Cytonn Money Market Fund — currently Kenya's top-yielding MMF at 9.39% net of 15% WHT — would grow to about Ksh 1,623,194 over the same 20 years. Run your own numbers on the compound interest calculator.