Social Security, Medicare and HSA calculators
Benefit taxation, spousal benefits, Medicare premiums by income, and HSA limits.
- HSA growth and tax savingsTriple tax break
- HSA contribution limit$4,400 / $8,750
- Taxable Social SecurityUp to 85%
- Social Security spousal benefit50% of spouse
- Medicare premiumPart B $202.90
- IRMAA tiersFrom $109k / $218k
HSA Calculator: See how much an invested HSA can grow and what it saves you compared with a taxable account.
HSA Contribution Calculator: Find how much you can still put in your HSA for 2026.
Social Security Taxable Calculator: Find how much of your Social Security benefit is taxable, using the IRS worksheet.
Social Security Spousal Benefit Calculator: Estimate your monthly benefit as a spouse, depending on the age you claim.
Medicare Premium Calculator: Add up your 2026 Medicare premiums, including any income-related amounts.
IRMAA Calculator: See which IRMAA tier your income lands in, and how much room you have before the next one.
Other calculators
- Withdrawals and RMDs
- Roth and IRA
- Self-employed and small business
- TSP, FERS and military
- Brackets and investment tax
- State income tax
- State capital gains tax
- State estimated tax
- State 529 tax deductions
- State estate and inheritance tax
- I bonds, T-bills and ladders
- FIRE and early retirement
- Lump sums and payoffs