Workplace Benefits Calculators

Open-enrollment and retirement-account decisions, with the math shown. These cover US-specific accounts and tax rules — IRS figures are labeled with the year they apply to.

HSA vs FSA Calculator →

Compare estimated tax savings side by side, check your FSA use-it-or-lose-it forfeiture risk, and see the HSA triple tax advantage.

Roth vs Traditional 401(k) →

Same pre-tax dollars, two tax treatments: projected after-tax spendable value of each, plus the breakeven retirement tax rate that decides it.