Retirement projection checklist
How to compare retirement calculators
Stress-test the assumptions behind a retirement projection before treating one modeled balance as a plan.
- Savings plan
- Balances, contributions, and timing are clear.
- Withdrawal plan
- Spending, taxes, and income stay visible.
- Uncertainty
- Returns, inflation, and lifespan are tested.
Before you compare
A retirement calculator is most useful when it makes savings, withdrawal, tax, benefit, and uncertainty assumptions visible. Compare scenarios rather than relying on a single forecast.
Updated:
Model
Savings plan
contributions, age, and account types
Inspect
Withdrawal plan
spending, taxes, and timing
Test
Uncertainty
returns, inflation, and lifespan
Start with the inputs you can verify
Enter current balances, planned contributions, retirement age, and expected spending using your own records. Treat a calculator's default return, inflation, salary-growth, or retirement-age setting as an assumption to review, not a personal forecast.
Check what the model includes
- Identify whether the estimate includes Social Security, pensions, employer contributions, and other income separately.
- Check whether withdrawals are shown before or after taxes and whether account types are distinguished.
- Look for a clear explanation of inflation, investment return, fees, and longevity assumptions.
Compare scenarios instead of one forecast
Use more than one return, spending, and retirement-age scenario. A range of outcomes can make uncertainty visible; it does not make a projection certain. If a tool offers a probability or confidence label, read the inputs and method before relying on that label.
Use official benefit information separately
Confirm any Social Security estimate with your own record and the Social Security Administration. A general calculator can help organize assumptions, but it cannot replace account-specific benefit information or individualized advice.
Limitations
This is a comparison checklist, not a ranking, certification, or endorsement of retirement calculator providers. It does not predict a retirement outcome or provide financial, tax, or investment advice.