Hourly to Annual Salary Calculator
Hourly rate × hours per week × 52 (simple, no tax).
Usar calculadoraTip Calculator
Bill amount, tip percent, and party size—tip, total with tip, and per person.
Usar calculadoraTrip Fuel Cost Calculator
Miles, MPG, and price per gallon—gallons used and trip fuel cost (US units).
Usar calculadoraMortgage Payment Calculator
Loan amount, annual rate, and years—estimated monthly principal & interest (excludes tax/insurance).
Usar calculadoraCompound Interest Calculator
Principal, annual rate, years, and compounding periods per year—future value.
Usar calculadoraPercentage Change Calculator
Old value vs new value—absolute change and relative percent change.
Usar calculadoraMarkup & Margin Calculator
Cost plus markup % on cost—selling price and margin % of selling price.
Usar calculadoraSimple Interest Calculator
Principal, annual rate %, and years—interest and total repayment.
Usar calculadoraBreak-Even Calculator
Fixed costs, variable cost per unit, and price—units needed to break even.
Usar calculadoraRent Affordability Calculator
Monthly income and max rent % of income—rule-of-thumb rent cap.
Usar calculadoraDecimal Odds to Implied Probability
Enter decimal odds (e.g. 2.50)—naïve implied win % (no vig removed).
Usar calculadoraCredit Card Payoff Estimator
Balance, APR, and fixed monthly payment—months to payoff and total interest (simplified).
Usar calculadoraCAGR Calculator
Starting value, ending value, and years—compound annual growth rate %.
Usar calculadoraRetirement Savings Calculator
Monthly contribution, nominal annual return %, and years—future value and total contributed.
Usar calculadoraInflation Calculator
Present value, annual inflation %, and years—future nominal value and multiplier.
Usar calculadoraCar Loan Calculator
Principal, APR %, and term in months—monthly payment and total interest (amortizing).
Usar calculadoraMax Loan from Payment
Affordable monthly payment, APR %, and years—estimate maximum loan principal.
Usar calculadoraUnit Price Calculator
Total price and quantity—cost per unit; optional second product comparison.
Usar calculadoraProfit Margin Calculator
Revenue and cost—gross profit dollars and profit margin % on revenue.
Usar calculadoraList vs Sale Discount
List price and sale price—discount percent and dollars saved.
Usar calculadoraSavings Goal (Months)
Target balance, monthly deposit, and nominal annual rate—months to reach goal (simplified).
Usar calculadoraPayback Period Calculator
Upfront cost and constant yearly benefit—simple payback time in years.
Usar calculadoraHourly to Monthly Pay
Hourly rate × hours per week × (52÷12)—rough gross monthly (before tax).
Usar calculadoraStacked Discounts
Two successive percent-off steps—final price and equivalent single discount.
Usar calculadoraInterest-Only Loan Payment
Principal and APR—monthly interest-only payment (no amortization).
Usar calculadoraLoan-to-Value (LTV)
Loan amount and property value—LTV % for quick mortgage context.
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