FERS Disability Retirement Calculator

Estimate your FERS disability retirement annuity benefits.

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Minimum 18 months for disability retirement

Related Resources

Disability Calculation Guide Regular FERS Calculator

Educational use only: Results are estimates. For official benefit determinations, use your agency HR/OPM retirement services—not this page alone.

FERS disability retirement estimates

Use the sections below to align this calculator with your real planning questions—each block matches a common search intent.

Eligibility vs. benefits

Eligibility requires medical documentation and agency processes—this calculator only models potential benefit formulas.

Coordination with SSDI

Offsets may apply when SSA and OPM both pay—coordinate timelines with legal and medical advisors.

Transition at age 62

Benefit recalculations often occur at 62—plan for long-term cash flow changes.

Limits

  • OPM disability adjudication is case-specific.
  • Do not rely on this page for application decisions.

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Authority & primary sources

Official rules change periodically. Cross-check estimates with Retirement Services at OPM.gov and your agency’s human resources office.

Related guides (keywords)

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