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Business Loan Calculator
Estimate monthly business loan payments, total interest, and total repayment with a simple static-first calculator.
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Free, transparent finance calculators with live charts — and now AI that explains every result, free and instant. Plus an AI CV builder, real benchmark rates, and guides.
✨ AI explains every result Transparent formulas Real benchmark rates 100% free
30-year fixed mortgage 6.49% 15-year fixed mortgage 5.84% Bank prime loan rate 6.75% Federal funds rate 3.63% 48-month new auto loan 7.36% Credit card interest rate 21%
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Explain any result See what any calculator answer actually means — explained instantly. AI CV & cover letters Rough notes become a polished, ATS-ready CV with AI summaries and cover letters. Define any term APR, escrow, vesting — get any money term explained simply, on demand. Ask anything Ask a personal-finance question and get a clear, educational answer.
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25 Guides
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Type a few rough highlights and our free AI rewrites them into strong, achievement-focused bullet points. Live preview, two templates, instant PDF — no account, no cost.
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Try the AI CV builder Debt Payoff Comparator Snowball vs. avalanche, side by side — payoff time, total interest, and the smartest order to clear debts.
Loan Comparison Put loan offers side by side and compare the real total cost — interest plus fees — not just the payment.
Can I Afford It? Check whether a new payment fits your budget and debt-to-income ratio, with a clear verdict.
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Calculator categories
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Loans & Debt
Borrowing costs, housing payments, and credit card payoff scenarios.
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Business Metrics
Unit economics, acquisition cost, churn, margins, and break-even.
5
Growth & ROI
SaaS metrics, recurring revenue, compounding, and ROI tradeoffs.
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Personal & Planning
Savings goals, retirement, inflation, and pay conversions.
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Start with clear numbers
Live charts and transparent formulas for the questions people ask most.
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Mortgage Payment Calculator
Estimate monthly mortgage principal and interest, tax and insurance, and total monthly housing payment.
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Credit Card Payoff Calculator
Estimate credit card payoff time, total interest, and total paid based on balance, APR, and monthly payment.
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Compound Interest Calculator
Estimate final balance, total contributions, and growth from an initial amount, monthly contributions, return rate, and time.
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Savings Goal Calculator
Estimate the monthly amount needed to reach a savings goal based on a target, current savings, time, and return assumption.
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Retirement Savings Calculator
Estimate a projected retirement balance from your current age, retirement age, current savings, monthly contributions, and return assumption.
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Auto Loan Calculator
Estimate an auto loan amount and monthly payment from vehicle price, down payment, trade-in, sales tax, interest rate, and term.
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Profit Margin Calculator
Calculate gross profit, profit margin percentage, and markup percentage from revenue and cost.
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SaaS ROI Calculator
Estimate monthly net benefit, annual ROI, and payback period for a software subscription.
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AI CV & Resume Builder
Build a professional CV and let AI rewrite your experience into strong, achievement-focused bullet points.
Planner
Debt Payoff Comparator
Snowball vs. avalanche, side by side — payoff time, total interest, and the smartest order to clear debts.
Compare
Loan Comparison
Put loan offers side by side and compare the real total cost — interest plus fees — not just the payment.
Decide
Can I Afford It?
Check whether a new payment fits your budget and debt-to-income ratio, with a clear verdict.
From the guides
Understand the decision, not just the number
Personal finance
How Compound Interest Works (With Real Examples)
A plain-English guide to compound interest: the formula A=P(1+r/n)^(nt), how frequency and time drive growth, the Rule of 72, and worked examples.
Borrowing
What Goes Into a Mortgage Payment (PITI Explained)
A plain-English breakdown of PITI — principal, interest, taxes, and insurance — plus PMI, HOA, and escrow, with a worked example on a typical loan.
Home buying
How Much House Can You Afford? The 28/36 Rule
Learn how the 28/36 rule sets front-end and back-end DTI limits, how down payment, rate, and other debts change what you can afford, with a worked example.
How we keep it honest
Every calculator shows the formula and a worked example, benchmark rates come from the Federal Reserve (FRED) and update automatically, and results are clearly labelled as planning estimates — not personalized financial advice. See our editorial guidelines.