Kerncalculators

Berekeningen die meer nodig hebben dan één getal

Een gerichte selectie met uitleg, betrouwbaarheidsinformatie en vervolgstappen wanneer die echt helpen.18 calculators
BMI-calculatorCalculate your Body Mass Index (BMI) and what it means for your health. Based on WHO standards.Samengestelde renteCalculate compound interest on savings or investments. See how your money grows with monthly contributions.ValutacalculatorConvert currencies using the latest available ECB reference rates, with an independent fallback and a clearly dated snapshot.InkomstenbelastingEstimate your 2026 US federal income tax. Uses updated IRS brackets for single and married filers.HypotheekcalculatorFree US mortgage calculator 2026. Calculate monthly payment, LTV ratio, and total cost.PensioencalculatorCalculate your expected monthly pension or retirement income based on savings, age, and payout factor.Nettosalaris berekenenFree US salary calculator 2026. Calculate take-home pay after federal income tax, Social Security, Medicare, and state tax.Basaal metabolismeCalculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) for weight management.Werkdagen-calculatorCount business days between two dates, with an Israeli (Fri–Sat) or international (Sat–Sun) weekend.CaloriecalculatorCalculate calories burned during exercise and physical activity. Select activity type, duration, and body weight.Verschil tussen datumsCalculate the number of days, weeks, months, and years between two dates. Includes business days.Vervroegd aflossenCalculate how much interest you save by paying off your loan early. Compare different payoff scenarios.LeningcalculatorFree US loan calculator. Calculate monthly payment, total interest, and full loan cost.SpaargeldcalculatorCalculate how much you will save over time with regular deposits and interest. Plan your financial goals.Btw-calculatorFree US sales tax calculator. Add or remove sales tax from any amount. Supports custom rates for any state.KortingscalculatorCalculate price after a percentage discount. See how much you save and the final price.WaterbehoefteCalculate how much water you should drink daily based on body weight, activity level, and climate.EenheidsprijsCalculate and compare unit price between products. Find the best value per weight, volume, or quantity.