Invest Ksh 250,000 at Diamond Trust Bank Kenya for 10 years.
At Diamond Trust Bank Kenya's current weighted-average deposit rate of 8.43%, a Ksh 250,000 deposit grows to about Ksh 579,122 after 10 years — about Ksh 329,122 in interest, assuming monthly compounding and no withdrawals.
Final balance
Ksh 579,122
2.32× your deposit
Deposited
Ksh 250,000
One-off, no withdrawals
Interest earned
Ksh 329,122
At 8.43% 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 637,023 over the same 10 years. Run your own numbers on the compound interest calculator.