Savings yield calculator (Brazil)

Project simple investment growth across the most common Brazilian products.

Poupança, CDI and CDB compared on the same screen.

How to use this tool

  1. Pick the product.
  2. Enter the initial amount and monthly deposit.
  3. Set the projection horizon in months.
  4. Adjust CDI / CDB percentages and read the projection.

Typical use cases

  • Choosing between savings products for an emergency fund.
  • Estimating a 24-month accumulation goal.

Limits & caveats

  • Ignores income tax, IOF and broker fees.
  • Educational only; not investment advice.

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Poupança yields TR + 0.5% per month (approximated). CDI uses an annual percent compounded monthly. CDB applies a percent of CDI to model post-fee yields. Educational only.

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