Percentio - Free Financial Calculators

Practical, transparent online calculators for personal and business finance, loans, mortgages, taxes, percentages, investments, and pricing decisions.

Popular Financial Calculators

Loans & Mortgages

Mortgage Calculator - Estimate monthly mortgage payments with taxes, insurance, PMI, and amortization.
Home Equity Loan Calculator - Estimate monthly equity payments, borrow limits, and loan payoff costs.
HELOC Calculator - Calculate home equity line of credit draw and repayment period payments.
Amortization Calculator - View full principal & interest loan payoff schedules with extra payments.
Auto Loan Calculator - Estimate monthly car payments, interest costs, and financing options.
Boat Loan Calculator - Calculate monthly boat financing by purchase price, APR, and loan term.
Loan Calculator - Simple and comprehensive personal and installment loan payment estimator.
Refinance Calculator - Compare current vs. new loan terms to evaluate refinancing savings.

Business, Pricing & Career

Salary Calculator - Convert between hourly, weekly, monthly, and annual gross income.
Freelance Rate Calculator - Calculate target billable hourly rates based on personal expenses and goals.
Profit Margin Calculator - Calculate gross profit, net margin, and markup percentages.
Break-Even Point Calculator - Estimate units and revenue needed to cover fixed and variable costs.
CAC Calculator - Measure blended, paid, and fully loaded customer acquisition costs.
CLV Calculator - Project customer lifetime value, retention value, and payback periods.
Commission Calculator - Model flat, tiered, accelerator, and salary-plus-commission payouts.
Startup Runway Calculator - Forecast cash runway, net burn rate, and zero-cash projections.
Company Valuation Calculator - Calculate implied post-money valuation from investment offers.
Bundle Offer Calculator - Optimize multi-product pricing bundles and discount margins.

Investing & Wealth Building

Compound Interest Calculator - Forecast compound investment growth and future wealth.
Interest Calculator - Calculate interest growth with monthly and annual contributions.
ROI Calculator - Measure return on investment, profit percentage, and annualized ROI.
Retirement Calculator - Forecast retirement savings readiness, income targets, and nest egg longevity.
Credit Card Payoff Calculator - Build debt avalanche plans to pay off multiple cards faster.
Rent vs. Buy Calculator - Compare the true long-term financial costs of homeownership vs renting.
CD Calculator - Calculate certificate of deposit yields, maturity value, and compound interest.
Investment Calculator - Plan wealth accumulation across various return rates and timeframes.

Taxes, Discounts & Percentages

Discount Calculator - Calculate sale prices, savings, and percentage-off markdowns.
Percentage Calculator - Solve percentage differences, increases, decreases, and proportions.
VAT Calculator - Add or extract VAT from gross and net prices across multiple countries.
Sales Tax Calculator - Compute before-tax and after-tax costs with state/local tax rates.
Income Tax Calculator - Estimate tax liability, effective tax rates, and take-home pay.

About Percentio

Percentio provides accessible, educational financial tools that run directly in your browser. All calculations are free to use without requiring an account or sharing personal financial data.