Calculators
Free tools for your paycheck, your 401(k), your home and your retirement date. Your numbers stay in your browser.
Mega Backdoor RothHow much can I get into Roth this year?Sets your 401(k) percentages across every job so you max the mega backdoor without losing match.For example: With after-tax contributions, one job’s 401(k) can take $72,000 a year, not just $24,500.RSU PlannerWhy do I owe tax on my RSUs?Every vest priced and taxed, what you’ll still owe at tax time and how to pay it, and offers compared after tax.For example: Vests withheld at 22% with income in the 35% bracket: about $16,417 still owed for 2026.Comp TrackerHow much stock do I still have coming?Every grant’s vests by quarter, history at the price and rate on the day, and a promotion or a currency move as what-ifs.For example: Two grants in yen-listed stock: $150,411 still to vest, $78,505 of it in the next 12 months.FI/RE CalculatorWhen can I stop working?Projects your savings with fixed, historical or Monte Carlo returns and shows the age work becomes optional.For example: Age 30, $50,000 saved, saving $30,000 a year: work optional at 44.Paycheck CalculatorWhat will my paycheck be?Take-home after federal, FICA and state tax, every check of the year, compared across up to six states.For example: $100,000 salary in Washington: $3,045 every two weeks after tax.Mortgage CalculatorWhat will this house cost me a month?Your full payment with tax, insurance and PMI, how it pays down, and up to three loans side by side.For example: $425,000 home, 20% down at 6.792%: $2,728 a month with tax and insurance.RSU Vest TaxWill my next vest leave me owing?One vest’s withholding against the tax it really adds, and how much of it to set aside.For example: A $48,000 vest on a $220,000 salary: about $4,800 more to set aside.Debt PayoffWhen will I be debt-free?Your debt-free date, the interest you’ll pay, and avalanche against snowball.For example: $46,500 across 4 debts, $300 extra a month: debt-free by Aug 2030.Home AffordabilityHow much house can I afford?The price your income supports under the 28/36 rule and the full monthly payment it means.For example: $150,000 income, $80,000 down: up to $513,000 at $3,495 a month.Moving and State TaxWould moving states pay off?Take-home in two states, the rent difference, and how soon the move pays for itself.For example: $180,000 from California to Washington: $12,767 more take-home a year.