Kenya Finance CalculatorOctober 2026
Calculators are for planning and estimation only. Verify final tax, payroll, loan, investment or property figures with the relevant institution or adviser.
Banking / T-Bill returns by amount
T-Bill Returns on KSh 1,000,000 in Kenya (2026)
A KSh 1,000,000 91-day Treasury Bill earns about KSh 18,147 after 15% tax. A 364-day bill earns about KSh 70,208. Rates are the CBK auction averages as of 5 November 2026.
Figures last updated 5 November 2026. Based on CBK average auction rates.
KSh 1,000,000 face value: returns by security
Face value is the amount you receive at maturity. Rates as of 5 November 2026.
| Security | Rate | You pay now | Gross interest | Tax | Net interest |
|---|---|---|---|---|---|
| 91-day T-Bill 15% withholding tax | 8.75% | KSh 978,651 | KSh 21,349 | −KSh 3,202 | KSh 18,147 |
| 182-day T-Bill 15% withholding tax | 8.845% | KSh 957,759 | KSh 42,241 | −KSh 6,336 | KSh 35,905 |
| 364-day T-Bill 15% withholding tax | 9.0282% | KSh 917,402 | KSh 82,598 | −KSh 12,390 | KSh 70,208 |
| Infrastructure Bond (IFB) Tax-free, 1-year illustration | 12.82% | KSh 886,368 | KSh 113,632 | KSh 0 | KSh 113,632 |
| Fixed Coupon Bond (FXD) 15% tax, 1-year illustration | 12.87% | KSh 885,975 | KSh 114,025 | −KSh 17,104 | KSh 96,921 |
Estimates using CBK average auction rates, not a guaranteed return. Bond rates are from the 5 October 2026 auction and use a one-year simplification; real bonds pay coupons over several years. See the T-Bill calculator or the T-Bills vs bonds guide.
Quick Answers
KSh 1,000,000 T-Bill FAQs
How much do I earn on a KSh 1,000,000 91-day T-Bill in Kenya?
At the 8.75% average rate, a KSh 1,000,000 91-day T-Bill costs about KSh 978,651 today. It matures at KSh 1,000,000, giving KSh 21,349 gross interest, or about KSh 18,147 after 15% withholding tax.
Which earns more on KSh 1,000,000: a 91-day or a 364-day T-Bill?
Net interest is about KSh 18,147 over 91 days and KSh 70,208 over 364 days, but your money is locked up longer for the 364-day bill. The 182-day bill earns about KSh 35,905.
Is interest on KSh 1,000,000 in an infrastructure bond taxed?
No. Interest on infrastructure bonds is tax-free. As a one-year illustration at 12.82%, KSh 1,000,000 would earn about KSh 113,632. Real IFBs run for several years, so check the specific issue.
Why does the price I pay differ from the face value?
T-Bills are sold at a discount. You pay less than the face value now and receive the full face value at maturity; the difference is your interest. Figures here are estimates from the average auction rate, and your actual rate depends on the auction.