# Social Security COLA Calculator
> Free estimator for the 2027 Social Security COLA and net check after Medicare Part B. Not affiliated with the Social Security Administration.

## Key facts (as of Oct 14, 2026)
- 2027 COLA: 3.6% official, announced Oct 14, 2026 at 8:30 AM ET. Source: https://www.ssa.gov/cola/
- 2026 COLA: 2.8%. 2026 Medicare Part B standard premium: $202.90/mo.
- API: /api/cola?benefit=2000&partb=1