Mortgage calculator
Your real monthly payment — principal, interest, taxes and insurance — plus the total interest over the life of the loan.
Calculate now →Free tools · No sign-up · Live results
See where your money really goes.
Instant calculators for mortgages, loans, credit cards and investing. Drag a slider, watch the chart update — and understand your biggest financial decisions in seconds, not spreadsheets.
100% free forever
No sign-up, nothing stored
Results as you type
Pick a tool. Get your answer in seconds.
Most used: mortgage →Every calculator updates live as you move the sliders — no “calculate” button, no waiting. Each result comes with a color chart showing exactly where every dollar goes.
Loan calculator
Personal or auto loan: amount, APR and term → your monthly payment and the true total cost before you sign anything.
Calculate now →Credit card payoff
How many months until you're debt-free at your current payment — and how much faster it goes with $50 more.
Calculate now →Compound interest
Project how an initial amount plus monthly contributions grows over the years — and how much is pure interest.
Calculate now →How it works
No spreadsheets, no formulas, no finance degree. Three steps and you're done.
Pick your question
“What would my mortgage cost?” “When will my card be paid off?” Choose the calculator that matches your decision.
Drag the sliders
Move price, rate or term and watch every number recalculate instantly. Test scenarios in seconds — what if rates drop? What if I pay $100 more?
Read the chart
A color breakdown shows exactly where each dollar goes — interest vs. principal, tax vs. insurance — so the answer is obvious at a glance.
Real example
$100 extra a month on a $6,500 card balance saves
$2,912 in interest
At 24% APR, paying $250/month takes almost 3 years and costs $2,304 in interest. Paying $350 clears it in 22 months. Small change, huge difference — run your own numbers in the payoff calculator.
Try it with my balance0%
Avg. credit card APR (2026)
0%
S&P 500 historic annual return
0%
Housing rule: max income on payment
0
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