Financial Calculators
Free interactive tools to help you make smarter financial decisions. Calculate your take-home pay, mortgage payments, debt payoff timeline, and more.
Take-Home Pay Calculator
Calculate your actual take-home pay after federal tax, state tax, FICA, Medicare, and deductions. See exactly how much lands in your bank account each paycheck.
Self-Employment Tax Calculator
Calculate your self-employment tax, federal and state income tax, and quarterly estimated payments as a freelancer or 1099 contractor.
401(k) Contribution Impact Calculator
See how 401(k) contributions affect your take-home pay and retirement savings. Understand the real cost of contributing after tax savings.
Mortgage Calculator
Calculate your monthly mortgage payment including principal, interest, PMI, property tax, and insurance. See the full cost of your home loan.
Car Payment Calculator
Calculate your monthly car payment, total interest, and the true cost of vehicle ownership. Compare loan terms to find the best deal.
Debt Payoff Calculator
Create a debt payoff plan using the avalanche or snowball method. See your debt-free date and how much interest you can save.
Rent vs. Buy Calculator
Compare the true cost of renting vs. buying a home. Find your breakeven point and see which option builds more wealth over time.
Savings & Investment Growth Calculator
Project how your savings and investments grow over time with compound interest. See the power of regular contributions and compounding.
Salary Comparison Calculator
Compare job offers side-by-side after taxes and benefits. See the real difference in take-home pay between positions in different states.
Want the Complete Picture?
These calculators show individual pieces. Trajectoryy's full simulator connects everything — income, taxes, savings, investments, loans — into one comprehensive financial projection.
Try the Full Simulator