Interest saved
Healthy$109,484
Estimated interest avoided by making the extra repayments.
Comparison
Pay Extra or Invest Calculator
This calculator answers a real decision: whether spare cash should reduce debt faster or be invested instead.
Decision report included
Review the decision summary, key metrics, assumptions, and action items, then create a printable report for a lender, broker, household, or client discussion.
Use the report to document the scenario, explain the tradeoff, and agree on the next action.
Inputs
Enter your scenario.
Decision Summary
Risk-adjusted recommendation
Pay extra
Pay extra is favoured because the risk-adjusted after-tax return is 4.3% versus a debt rate of 6.2%.
Decision index
WatchKey metric comparison
Interest saved$109,484
Investment outcome$161,150
After-tax return5.3%
Risk-adjusted return4.3%
Payoff time saved7 years 2 months
Investment outcome
Watch$161,150
Estimated after-tax investment balance over the accelerated payoff period.
After-tax return
Watch5.3%
Expected return after applying the entered tax rate.
Risk-adjusted return
Watch4.3%
After-tax return reduced by a simple risk preference penalty.
Payoff time saved
Healthy7 years 2 months
How much sooner the debt could be cleared with extra repayments.
Investment vs debt edge
Healthy$51,666
Positive favours investing before behaviour and liquidity factors.
Assumptions
Review the assumptions behind the result.
- The debt path compares standard repayment against adding the extra monthly amount.
- Investment returns are adjusted for tax and risk preference.
- The recommendation is directional and should be reviewed against personal risk tolerance.
How To Use The Result
Turn the output into a practical next step.
- Use after-tax return rather than headline investment return.
- Lower risk preference should require a stronger investment advantage.
- Save the report to document why you chose debt reduction or investing.
Related Tools
Compare another decision before you commit.
Debt
Debt Payoff Strategy Calculator
Compare avalanche, snowball, hybrid, lump-sum, and consolidation payoff paths.
Open tool
Financial Health
Financial Health Score Calculator
Generate a financial score out of 100 across cashflow, debt pressure, savings, and risk.
Open tool
Comparison
Loan Comparison Calculator
Compare two loans by repayment, fees, interest, total cost, and recommendation.
Open tool