Age Calculator
Calculate your exact age from date of birth in years, months, days, and hours. Free age calculator with age difference tool. Fast and accurate results.
UtilitiesAll Calculators
Browse our collection of free, fast, and accurate calculators for everyday use.
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BMI Calculator
Calculate your BMI (Body Mass Index) with our free online calculator. Supports both metric and imperial units. Understand your health category instantly.
Health→
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Calorie Calculator
Calculate your daily calorie needs with our TDEE and BMR calculator. Free calorie calculator for weight loss, maintenance, and muscle gain. Get personalized results.
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Car Loan Calculator
Calculate your monthly car loan payment with our free auto loan calculator. Includes down payment, trade-in value, sales tax, and total cost. Get accurate results instantly.
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Currency Converter
Free currency converter with live exchange rates for 30+ currencies. Convert USD, EUR, GBP, JPY and more with real-time rates updated daily. Fast and accurate.
Finance→
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Gas Mileage Calculator
Calculate your gas mileage (MPG) and fuel economy with our free calculator. Supports miles and kilometers, includes cost per mile and trip cost calculator.
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GPA Calculator
Calculate your GPA instantly with our free GPA calculator. Supports weighted and unweighted GPA, semester and cumulative calculations. Perfect for college students.
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Grade Calculator
Calculate your grade with our free grade calculator. Weighted categories, letter grades, and 'what grade do I need' calculator. Perfect for students.
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Investment Calculator
Calculate investment returns with our free compound interest calculator. Project growth with regular contributions, see year-by-year breakdown. Plan for retirement and wealth building.
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Loan Calculator
Calculate your monthly loan payments and total interest with our free online loan calculator. Perfect for mortgages, auto loans, and personal loans.
Finance→
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Mortgage Calculator
Calculate your monthly mortgage payment with taxes, insurance, and PMI. Free mortgage calculator with amortization schedule. See how much house you can afford.
Finance→
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Ovulation Calculator
Calculate your ovulation date and fertile window with our free ovulation calculator. Track your cycle, predict ovulation, and plan pregnancy with accurate results.
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Percentage Calculator
Calculate percentages, percentage increases, and decreases with our free online percentage calculator. Fast, accurate, and easy to use.
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Pregnancy Calculator
Calculate your pregnancy due date, current week, and trimester. Free pregnancy calculator with milestone timeline and baby development. Accurate results.
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Retirement Calculator
Calculate your retirement savings with our free retirement calculator. Estimate retirement income using the 4% rule. Plan for a secure retirement.
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Sales Tax Calculator
Calculate sales tax with our free online calculator. Forward and reverse calculations with US state tax rates. Fast, accurate, and easy to use.
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Savings Calculator
Calculate savings goals with compound interest. Emergency fund calculator for 3+ months expenses. Track monthly contributions and reach your savings targets faster.
Finance→
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Tip Calculator
Free tip calculator with bill splitting. Calculate tips and split bills easily. Fast, accurate, and mobile-friendly. Perfect for restaurants and dining out.
Utilities→