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 250,000 in Kenya (2026)
A KSh 250,000 91-day Treasury Bill earns about KSh 4,537 after 15% tax. A 364-day bill earns about KSh 17,552. Rates are the CBK auction averages as of 5 November 2026.
Figures last updated 5 November 2026. Based on CBK average auction rates.
KSh 250,000 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 244,663 | KSh 5,337 | −KSh 801 | KSh 4,537 |
| 182-day T-Bill 15% withholding tax | 8.845% | KSh 239,440 | KSh 10,560 | −KSh 1,584 | KSh 8,976 |
| 364-day T-Bill 15% withholding tax | 9.0282% | KSh 229,351 | KSh 20,649 | −KSh 3,097 | KSh 17,552 |
| Infrastructure Bond (IFB) Tax-free, 1-year illustration | 12.82% | KSh 221,592 | KSh 28,408 | KSh 0 | KSh 28,408 |
| Fixed Coupon Bond (FXD) 15% tax, 1-year illustration | 12.87% | KSh 221,494 | KSh 28,506 | −KSh 4,276 | KSh 24,230 |
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 250,000 T-Bill FAQs
How much do I earn on a KSh 250,000 91-day T-Bill in Kenya?
At the 8.75% average rate, a KSh 250,000 91-day T-Bill costs about KSh 244,663 today. It matures at KSh 250,000, giving KSh 5,337 gross interest, or about KSh 4,537 after 15% withholding tax.
Which earns more on KSh 250,000: a 91-day or a 364-day T-Bill?
Net interest is about KSh 4,537 over 91 days and KSh 17,552 over 364 days, but your money is locked up longer for the 364-day bill. The 182-day bill earns about KSh 8,976.
Is interest on KSh 250,000 in an infrastructure bond taxed?
No. Interest on infrastructure bonds is tax-free. As a one-year illustration at 12.82%, KSh 250,000 would earn about KSh 28,408. 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.