Calculators

Finance and business calculators

Explore practical calculators for borrowing, payoff planning, business economics, and SaaS metrics. Each page includes formulas, examples, FAQs, and an educational disclaimer.

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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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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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ROI Calculator

Calculate return on investment percentage and net profit from investment cost and final value.

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Profit Margin Calculator

Calculate gross profit, profit margin percentage, and markup percentage from revenue and cost.

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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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SaaS ROI Calculator

Estimate monthly net benefit, annual ROI, and payback period for a software subscription.

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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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