Capital Gains vs. Interest (Tax Effect)

Discover the impact of taxes on capital gains vs. interest income at the same return rate. Compare after-tax returns and total tax paid to make smarter choices.

Last update Jan 2025
  • Scenario 1: Interest
  • Scenario 2: Capital Gains
  • Which One Is Higher (%)

The chart highlights the difference in after-tax returns when investing with capital gains vs. interest income. Notice how tax timing and rates affect your final investment value and compare total taxes paid over time. Hope this helps!

# Years from Now
Try your numbers:

Enter the amount to be invested now.

A =

Enter the return rate applied to both capital gains and interest.

B =

Enter marginal tax rate applied to interest income.

C =

Enter tax rate on capital gains.

D =
Confirm Delete

Are you sure you want to delete ": "?

  • Amount
    Any single amount ($).
  • Cash Flow
    Rent, insurance premium, salary, ...
  • Current Asset
    Real estate, commodity, bonds, ...
  • Installment Loan
    Mortgage, car loan, ...
  • Percentage
    Any percentage value (%).
  • Years / Months
    Any time horizon.
  • Age
    Show "Age" instead of "# Years from Now."
  • Retirement Age (requires Age)
    Enable "Investment Return After Retirement."

Time Value Assumptions

Heads Up!

If you're using Cost Basis (cb) for calculating capital gains:

Please be aware that very few countries currently use inflation-indexed cost basis. Double-check your local tax rules before publishing.

Scroll up to view updated chart.

Not what you want?

How is Cash Value calculated?

Applies the return as interest income, taxed yearly at the specified interest tax rate.

Decisions / Expectations

(Expressions are evaluated at Year 0 only.)

E =

Calculations

(Expressions are evaluated at every year.)

Confirm Delete

Are you sure you want to delete ": "?

Add Decision or Expectation
  • Buy Asset
    Buy an asset growing at its own rate.
  • Take Installment Loan
    Take a mortgage, loan, etc.
  • Invest
    Receive/Spend a lump sum.
  • Expect to Invest
    Expect to receive/spend a lump sum.
  • Expect Monthly Cash Flow
    Expect to receive/spend cash monthly.
  • Expect Yearly Cash Flow
    Expect to receive/spend cash yearly.
  • Define Variable (Numerical)
    Calculate an intermediate value.
Add Intermediate Calculation
  • Define Variable (Numerical)
    Calculate an intermediate value.
  • Define Variable (Cash Flow)
    Calculate a combined cash flow.