What is the social security calculator?
In short
Your Social Security benefit depends on your 35 highest-earning years, your Full Retirement Age (FRA), and when you claim. Claiming at 62 reduces your benefit by up to 30%; delaying to 70 increases it by 8% per year past FRA.
This calculator estimates your monthly Social Security retirement benefit at ages 62, 67, and 70 based on your average indexed monthly earnings (AIME). It shows the break-even age between claiming strategies and projects lifetime cumulative payouts.
How to use this calculator
- 1Enter your current age and expected retirement age.
- 2Enter your estimated annual earnings or your AIME from your Social Security statement.
- 3Select your Full Retirement Age (FRA) — 66 for those born 1943–1954, 67 for those born 1960 or later.
- 4Compare monthly benefits and lifetime payouts at ages 62, 67, and 70.
- 5Check the break-even age to see when delaying starts paying off.
The formula
- PIA
- — Primary Insurance Amount — your full benefit at FRA
- AIME
- — Average Indexed Monthly Earnings from your 35 highest-earning years
- FRA
- — Full Retirement Age (66–67 depending on birth year)
Worked example
The scenario
The result
Common use cases
- Deciding when to claim Social Security
- Comparing early vs. delayed claiming strategies
- Projecting retirement income alongside 401k and IRA
- Calculating spousal benefit optimization
Limitations & assumptions
- Does not include spousal or survivor benefits
- Actual benefit depends on your complete 35-year earnings record from SSA
- Does not account for COLA (cost-of-living adjustments)
- Government policy changes could affect future benefits
Frequently asked questions
Disclaimer: KalkWise calculators are provided for general informational and educational purposes only and do not constitute financial, investment, tax, or legal advice. Results are estimates based on the figures you enter and the assumptions described above. Actual outcomes will vary. Consult a qualified professional before making financial decisions.