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All Calculators

Browse all PlainFig calculators by category: mortgages and housing, auto financing, taxes and income, loans and debt, retirement, and financial basics.

Housing

Rent vs Buy Calculator

Compare the true total cost of renting versus buying a home over any time horizon. Accounts for mortgage amortization, property tax, maintenance, opportunity cost, and home appreciation.

Housing

Mortgage Recast Calculator

Mortgage recast calculator: enter your balance, rate, and lump sum to see your new lower payment after reamortization, and how it compares to refinancing.

Auto

Auto Loan Calculator

Calculate your monthly car payment, total loan amount financed with sales tax, interest paid, and full vehicle cost using 2026 Federal Reserve benchmarks.

Taxes

Paycheck Tax Calculator

Calculate your net take-home paycheck for 2026 across all 50 states + DC using official IRS Rev. Proc. 2025-32 tax brackets, FICA, and standard deductions.

Taxes

Tax Refund Calculator

Estimate your 2026 IRS tax refund or amount owed. Uses official IRS Rev. Proc. 2025-32 tax brackets, Child Tax Credit ($2,200), and EITC parameters.

Taxes

Bonus Tax Calculator

Bonus tax calculator: see what you keep from a bonus after the 22% federal supplemental withholding, Social Security, Medicare, and state tax.

Taxes

Lottery Tax Calculator

Lottery tax calculator: jackpot or cash value, federal withholding vs final tax, and state tax — see what you actually keep from a win.

Overtime

Overtime Pay Calculator

Overtime calculator: check your overtime pay under current FLSA rules ($684/week salary threshold) — regular rate, time-and-a-half, weekly totals.

Taxes

1099 vs W-2 Calculator

1099 vs W-2 calculator: enter your pay and compare take-home as an employee versus an independent contractor, including self-employment tax.

Loans

Personal Loan Calculator

Personal loan calculator: estimate your monthly payment and total interest, compare offers by APR, and see what the loan really costs over its term.

Debt

Debt Payoff Calculator

Debt payoff calculator: compare avalanche vs snowball payoff plans, see your debt-free date and total interest, and find the fastest way out.

Loans

APR Calculator

APR calculator: find the true annual cost of a loan, fees included, and compare lenders on one basis instead of headline interest rates.

Retirement

401(k) Calculator

401(k) calculator: project your balance to retirement with the 2026 limit ($24,500, plus $8,000 catch-up at 50+), contributions, and growth.

Retirement

Roth IRA Calculator

Roth IRA calculator: project tax-free growth to retirement using 2026 limits ($7,500, plus $1,100 catch-up at 50+) and your planned contributions.

Retirement

Retirement Calculator

Retirement calculator: project your nest egg from current savings and monthly contributions, and see what retirement age your plan supports.

Retirement

Social Security Calculator

Estimate your Social Security benefit: enter your earnings and see your monthly payment at 62, 67 and 70. Free estimator using 2026 bend points.

Savings

CD Calculator

CD calculator: see what a certificate of deposit earns over its term — principal, rate, and compounding — before you lock your money in.