Tools
Run the numbers yourself.
Every calculator here runs entirely in your browser — nothing is sent anywhere, nothing is saved, no account exists to require. Free forever, like everything else on this site.
Borrowing & home
What debt really costs — and what lenders will check before saying yes.
Mortgage calculator
The full monthly PITI breakdown — principal & interest, taxes, insurance, PMI, HOA — plus a yearly amortization schedule.
Price a house
Loan payment calculator
Monthly payment, total interest, and a full amortization schedule — plus what extra payments save you.
Price a loan
Credit card payoff
Months to debt-free and total interest — and how badly minimum-only payments lose to a real plan.
Plan your payoff
Debt-to-income ratio
Front-end and back-end DTI with the 28/36 rule — the number lenders compute before approving you.
Check your ratio
Saving & investing
Put dates on your goals and watch compounding do its thing.
Compound growth calculator
See what monthly investing actually becomes over decades — contributions vs growth, year by year.
Project your growth
Savings goal calculator
Goal amount in, target date out — with your deposits and interest earned broken apart.
Date your goal
Emergency fund calculator
Size your 3–6 month cushion, see the gap, and get a realistic timeline to fully funded.
Build your cushion
Everyday money
Where your paycheck goes, and where it should go.
Paycheck estimator
Turn a salary into a realistic take-home number: federal tax, FICA, state tax, and 401(k) all accounted for.
Estimate take-home
Tax bracket visualizer
Watch your income fill the seven 2025 federal brackets — and see why your marginal rate is not what you actually pay.
See your brackets
50/30/20 budget calculator
Split take-home pay into needs, wants, and savings — then compare your real spending to the guideline.
Split your pay
These calculators are educational estimates, not financial advice — real loans, taxes, and returns vary. Pair them with the lessons to understand what the numbers mean.