Invest Ksh 1,000,000 at Guardian Bank for 10 years.
At Guardian Bank's current weighted-average deposit rate of 8.17%, a Ksh 1,000,000 deposit grows to about Ksh 2,257,440 after 10 years — about Ksh 1,257,440 in interest, assuming monthly compounding and no withdrawals.
Final balance
Ksh 2,257,440
2.26× your deposit
Deposited
Ksh 1,000,000
One-off, no withdrawals
Interest earned
Ksh 1,257,440
At 8.17% p.a.
Year by year
Contributions form the floor; interest compounds on top.
Could you earn more elsewhere?
The same Ksh 1,000,000 in Cytonn Money Market Fund — currently Kenya's top-yielding MMF at 9.39% net of 15% WHT — would grow to about Ksh 2,548,093 over the same 10 years. Run your own numbers on the compound interest calculator.