Calculator details
Enter your values below. Use the information icon beside any field for guidance.
%
years
%
Use the information icons beside each input to see exactly what the field means and what value to enter.
Your results
Estimated results based on the values and assumptions you entered.
Estimate
Calculator-specific details based on your current inputs
Formula & calculation method
The projection caps the modeled annual contribution at the entered available contribution room, converts that annual amount to equal monthly contributions, compounds monthly, and reports any planned amount above the entered room.
Formula version 3.0 · Intermediate calculations use full precision; displayed values are rounded for readability.
Project TFSA growth while comparing planned contributions with the contribution room you enter.
The question behind a TFSA calculator
Withdrawals do not restore room immediately; generally, withdrawn amounts are added back to room in the following calendar year. That timing makes room tracking important.
With TFSA calculator, headline annual limits are reference points rather than automatic personal allowances. Age, income, employer contributions, carry-forward provisions or plan rules may change the amount that applies to an individual.
Set up the calculation correctly
Use the values shown in the calculator as the working assumptions. The calculator returns the result shown in the result panel. Enter figures from the same point in time and use one currency throughout; mixing an old balance with a new rate or a monthly figure with an annual figure can make an otherwise correct formula answer the wrong question. This interpretation applies specifically to the TFSA Calculator and its registered inputs.
Enter your actual available TFSA room rather than assuming the annual dollar limit is your personal room. Prior unused room, previous contributions and withdrawals can make personal room very different from the current-year limit.
Formula and calculation method
Calculation used: The projection caps the modeled annual contribution at the entered available contribution room, converts that annual amount to equal monthly contributions, compounds monthly, and reports any planned amount above the entered room. This interpretation applies specifically to the TFSA Calculator and its registered inputs.
The formula converts the entered assumptions into the outputs shown above. For TFSA calculator, the important point is to keep the rate, time unit and cash-flow timing consistent with the formula rather than treating the displayed percentage or payment as a standalone fact.
Reading the numbers in context
Long-range TFSA calculator results should be read as scenarios rather than promises. Fees, taxes, changing contribution rates and uneven investment returns can all alter the eventual balance.
Use your own records and CRA guidance because account information can update with a delay and over-contributions can have tax consequences.
Scenario checks worth running
Limits of the estimate
The TFSA calculator combines a growth projection with account rules, and those two layers should not be confused. A balance projection can be mathematically sound even when a planned contribution would exceed personal eligibility or available room.
Use your own records and CRA guidance because account information can update with a delay and over-contributions can have tax consequences. Keep provider statements, tax rules, account rules or legal disclosures as the final authority whenever they apply.
Authoritative references
Questions specific to TFSA calculator
What decision should this result support?
Withdrawals do not restore room immediately; generally, withdrawn amounts are added back to room in the following calendar year. That timing makes room tracking important.
What can make the real-world number different?
Use your own records and CRA guidance because account information can update with a delay and over-contributions can have tax consequences.
What is the safest way to use the estimate?
Use the TFSA Calculator to compare plausible scenarios, then verify the external inputs that control the decision. For this calculation, the most important discipline is to keep the inputs internally consistent and to avoid treating an assumed rate, future value or provider rule as guaranteed.