CPF-Tbill Calculator

Use our CPF-Tbill calculator to find out how much more interest you can potentially earn by investing in the Singapore T-bill using your CPF Ordinary Account (OA) savings.

Learn more about what you need to consider before investing your CPF savings in the T-bill.

Select T-bill
Investment amount in denomination of S$1,000
0 100,000
Your expected cut-off yield (%)
0 5

Potential additional interest earned for investing your CPF-OA

Below breakeven cut-off yield

with upcoming 6-month T-bill

(BS23119H) Auction on 28 Sep 2023

Learn more
  • The potential additional interest earned reflects the amount of interest earned by investing in the T-bill through to maturity in excess of the loss of CPF interest over this period.
  • Calculation based on various assumptions, including (a) the ability to receive principal back at T-bill maturity (b) prevailing CPF OA interest rate of 2.5%, (c) fund deduction from CPFOA one working day after T-bill auction date, (d) immediate payment into CPF Investment Account (CPFIA) at T-bill maturity, and (e) one working day for transfer of funds from CPFIA into CPFOA (f) application fee of S$2.50 + GST and admin fee of S$2.16 per quarter.
  • The amount shown is for illustration purposes only, and actual interest earned may differ because of various factors, including processing time required and fee incurred.
  • All investments carry risk, including the risk that the investor may lose all or part of his investment.
  • You should refer to the MAS website before making the application to subscribe.

*Disclaimer: The data and output from this tool does not constitute investment advice and is not a personal recommendation from Beansprout. It does not have regard to the specific investment objectives, financial situation and particular needs of any persons. Nothing contained herein should be construed as an offer or solicitation for the subscription, purchase or sale of any particular investment product or class of investment product. Any investment activities undertaken using this tool will be at the sole risk of the relevant investor. Any visitor to this page agrees to hold Beansprout harmless against any claims for damages arising from any decisions that the visitor makes based on such information


Historical T-bill cut off yield

Here's the cut-off yield for the 6-month T-bill in previous auctions.

*Disclaimer: Past performance or any prediction, projection or forecast is not indicative of future performance.


More resources to guide you