Calculatorfly

Free online calculators. Every tool runs entirely on your device — no uploads, no accounts, no trackers, no ads.

• Loan EMI CalculatorCalculate your loan EMI, total interest and full amortisation schedule for home, car or personal loans. Compare prepayment options and download a CSV. Free and private: runs on your device.
• BMI CalculatorWork out your body mass index in metric or imperial units (ft/in, lb, stone). See the WHO category, BMI Prime and the healthy weight range for your height. Free and private.
• Percentage CalculatorFree percentage calculators: X% of Y, X as a percent of Y, percentage increase or decrease, add or subtract a percentage, reverse percentages and percentage points. Formula shown for every answer.
• Age CalculatorCalculate your exact age in years, months and days, plus total weeks, days and hours, the day of the week you were born and a countdown to your next birthday. Free and private.