Everyday Calculators

Percentages, discounts, tax, age, dates, BMI, fuel and electricity costs.

Percentage CalculatorCalculate X% of Y, what percent X is of Y, percentage increase or decrease, and add or subtract a percentage. Discount CalculatorCalculate the sale price and how much you save from a percentage discount, with optional sales tax. Tip CalculatorCalculate the tip and split the bill evenly between any number of people. VAT / GST CalculatorAdd VAT, GST or sales tax to a net price, or remove it from a gross price to find the amount before tax. Salary to Hourly CalculatorConvert an annual salary into hourly, daily, weekly, fortnightly and monthly pay. Fuel Cost CalculatorCalculate the fuel needed and the cost of a trip from distance, fuel consumption and fuel price. Electricity Cost CalculatorCalculate how much an appliance costs to run per day, month and year from its wattage and your price per kWh. BMI CalculatorCalculate your body mass index (BMI) and see your World Health Organization weight category and healthy weight range. BMR & Calorie CalculatorEstimate your basal metabolic rate (BMR) and daily calorie needs (TDEE) with the Mifflin–St Jeor equation. Age CalculatorCalculate exact age in years, months and days from a date of birth, plus total days and days until the next birthday. Date Difference CalculatorCount the days, weeks, months and weekdays between two dates.