All calculators
Every tool in the toolkit.
9 of 10 calculators are live; the remaining 1are in active build. Tools share a single tax-and-finance engine — change a state in one, the same logic applies everywhere it's relevant.
Income & Rates
Set your rate and convert between pay formats
- Most popularOpen tool
Freelance Hourly Rate Calculator
Find the rate you need to charge after self-employment tax, state tax, and industry-specific billable utilization.
- Open tool
Salary to Hourly Converter
Convert between annual salary, hourly wage, and the freelance/contract rate that matches once you account for benefits and self-employment tax.
- Open tool
Take-Home Pay Calculator
Calculate your W-2 paycheck after federal, state, FICA, and pre-tax deductions. Compare take-home across states.
Taxes
Estimate your tax liability accurately
Retirement
Plan for the future without an employer 401(k)
- Open tool
Roth vs Traditional IRA Calculator
Project after-tax retirement balance for Roth vs Traditional IRA contributions across your time horizon.
- Open tool
Compound Interest Calculator
Project investment growth with optional contributions, custom compounding frequency, and inflation-adjusted real returns.
Debt & Big Purchases
Mortgage, rent, and debt decisions
- Open tool
Mortgage Payoff Calculator
See how extra monthly, biweekly, or lump-sum payments change your mortgage payoff date and total interest paid.
- Coming soonIn build — see all tools →
Rent vs Buy Calculator
Year-by-year comparison of buying vs renting, including down-payment opportunity cost, appreciation, and tax benefits.
- Open tool
Debt Payoff Calculator
Compare snowball vs avalanche payoff strategies on your debts. See total interest, payoff date, and the order to attack them.