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Business Loan Calculator
Estimate monthly business loan payments, total interest, and total repayment with a simple static-first calculator.
Calculators
Finance & business calculators
22 free calculators for borrowing, payoff planning, business economics, and growth — each with transparent formulas, a worked example, live charts, and a plain-language disclaimer. Pick the one that matches your question.
Loans & Debt
Borrowing costs, housing payments, and credit card payoff scenarios.
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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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Auto Loan Calculator
Estimate an auto loan amount and monthly payment from vehicle price, down payment, trade-in, sales tax, interest rate, and term.
Business Metrics
Unit economics, acquisition cost, churn, margins, and break-even.
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Profit Margin Calculator
Calculate gross profit, profit margin percentage, and markup percentage from revenue and cost.
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Margin vs Markup Calculator
Enter cost and price to see gross margin and markup side by side — and understand why the two percentages are different.
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Break-Even Calculator
Estimate break-even units and break-even revenue from fixed costs, price per unit, and variable cost per unit.
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Working Capital Calculator
Calculate net working capital and the current ratio from your current assets and current liabilities to gauge short-term financial health.
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Customer Lifetime Value Calculator
Estimate customer lifetime and customer lifetime value from average revenue, gross margin, and monthly churn.
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CAC Calculator
Calculate customer acquisition cost from sales and marketing spend and the number of new customers acquired.
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Churn Rate Calculator
Calculate your customer churn rate and retention rate for a period, plus the average customer lifespan implied by your churn.
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CAC Payback Period Calculator
Calculate your CAC payback period — how many months it takes to recover customer acquisition cost from gross profit on that customer.
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Burn Rate & Runway Calculator
Calculate your startup's net monthly burn rate and cash runway — how many months of cash you have left at your current spend and revenue.
Growth & ROI
SaaS metrics, recurring revenue, compounding, and ROI tradeoffs.
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SaaS ROI Calculator
Estimate monthly net benefit, annual ROI, and payback period for a software subscription.
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MRR & ARR Calculator
Calculate your monthly recurring revenue (MRR) and annual recurring revenue (ARR) from your customer count and average revenue per account.
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Rule of 40 Calculator
Calculate your SaaS Rule of 40 score — revenue growth rate plus profit margin — and see whether your business clears the 40% benchmark.
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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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ROI Calculator
Calculate return on investment percentage and net profit from investment cost and final value.
Personal & Planning
Savings goals, retirement, inflation, and pay conversions.
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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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Inflation Calculator
Estimate the future cost of today's money and the loss of buying power over time at an assumed inflation rate.
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Salary to Hourly Calculator
Convert an annual salary into an estimated hourly, weekly, and monthly rate based on hours per week and weeks per year.
Specialized & decision tools
Interactive tools for bigger money decisions — affordability, retirement, paychecks, and comparisons.
Job Offer Comparison Calculator
Compare two offers by total comp — base, bonus, equity, 401(k) match, and benefits.
Home Affordability Calculator
How much house you can afford using the 28/36 rule, with a monthly payment breakdown.
Rent vs Buy Calculator
Compare the true cost of renting vs buying over the years you'll actually stay.
401(k) Calculator
Project your retirement balance — including the free money from your employer match.
Take-Home Pay Calculator
Estimate your paycheck after federal, FICA, and state tax (2024).
Sales Tax Calculator
Add sales tax to a price or work backwards to remove it from a total.
Can I Afford It?
Check whether a new monthly payment fits your budget and debt-to-income ratio.
Loan Comparison
Put loan offers side by side and compare the real total cost — interest plus fees.
Debt Payoff Comparator
Snowball vs avalanche, side by side — payoff time and total interest.
How to get the most from these calculators
- Choose the calculator that matches the decision you're reviewing — loan payments, payoff timing, ROI, margin, break-even, CAC, or CLV.
- Enter realistic inputs first, then test conservative and stress-case assumptions to see how sensitive the result is.
- Read the formula, example, FAQs, and related guides on each page to understand the result before relying on it.