Calculadoras principales

Cálculos que necesitan algo más que un número

Una selección cuidada con explicación, datos de confianza y próximos pasos solo cuando aportan valor.18 calculadoras
Calculadora de IMCCalculate your Body Mass Index (BMI) and what it means for your health. Based on WHO standards.Interés compuestoCalculate compound interest on savings or investments. See how your money grows with monthly contributions.Conversor de divisasConvert currencies using the latest available ECB reference rates, with an independent fallback and a clearly dated snapshot.Impuesto sobre la rentaEstimate your 2026 US federal income tax. Uses updated IRS brackets for single and married filers.Calculadora de hipotecaFree US mortgage calculator 2026. Calculate monthly payment, LTV ratio, and total cost.Calculadora de pensiónCalculate your expected monthly pension or retirement income based on savings, age, and payout factor.Calculadora de salario netoFree US salary calculator 2026. Calculate take-home pay after federal income tax, Social Security, Medicare, and state tax.Metabolismo basalCalculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) for weight management.Días hábilesCount business days between two dates, with an Israeli (Fri–Sat) or international (Sat–Sun) weekend.Calculadora de caloríasCalculate calories burned during exercise and physical activity. Select activity type, duration, and body weight.Diferencia entre fechasCalculate the number of days, weeks, months, and years between two dates. Includes business days.Amortización anticipadaCalculate how much interest you save by paying off your loan early. Compare different payoff scenarios.Calculadora de préstamosFree US loan calculator. Calculate monthly payment, total interest, and full loan cost.Calculadora de ahorroCalculate how much you will save over time with regular deposits and interest. Plan your financial goals.Calculadora de IVAFree US sales tax calculator. Add or remove sales tax from any amount. Supports custom rates for any state.Calculadora de descuentosCalculate price after a percentage discount. See how much you save and the final price.Consumo de aguaCalculate how much water you should drink daily based on body weight, activity level, and climate.Precio unitarioCalculate and compare unit price between products. Find the best value per weight, volume, or quantity.