Sorry, our Share of Cost Calculator may be buggy right now. If it’s not working for you. Use this one on
Medi-Cal Share of Cost Calculator
Enter the monthly income and health-insurance premiums below to estimate your current Medi-Cal Share of Cost and the additional monthly premium that may reduce it to $0.
Enter gross Social Security before Medicare deductions, plus pension,
annuities, interest, dividends, or other monthly unearned income.
Start here — enter the gross monthly income.
Use the amount shown on the Social Security statement or Medicare bill.
Delete the amount and leave this blank if no Part B premium is paid.
Include dental, vision, Medigap, Medicare Advantage, Part D, or similar
premiums. Leave this blank if there are none.
Optional. Do not enter a Social Security, Medicare, or Medi-Cal
identification number.
Who This Calculator Is Designed For
This calculator is designed primarily for one person living in the community whose income is mainly Social Security, pension, or similar unearned income. Married couples, earned income, long-term care, board-and-care deductions, spousal-impoverishment rules, and Working Disabled cases require a different calculation.
2026 Values Used in This Estimate
- $1,836 monthly Aged & Disabled FPL limit: DHCS 2026 chart.
- $600 Maintenance Need Level: 2026 Health Consumer Alliance chart and CANHR explanation.
- Health-insurance premium deductions: 22 CCR §50555.2.
- Required income rounding: 22 CCR §50653.
Formula and 2026 figures last reviewed July 18, 2026.
The standard 2026 Medicare Part B premium is
$202.90 according to CMS.
Optional Deeper Details Below
The practical explanation is above. The section below includes supporting documents, background material, citations, examples, and technical details for readers who want more.
