Age Calculator
Calculate your exact age in total months, weeks, days, hours, minutes, and seconds based on your date of birth.
Body Fat Calculator
Estimate your body fat percentage using the U.S. Navy method based on your height, neck, and waist measurements.
Calorie Calculator
Estimate your daily calorie needs for weight maintenance, loss, or gain based on your age, gender, height, weight, and activity level.
Carbon Footprint Calculator
Estimate your annual carbon footprint based on your lifestyle choices like travel, energy use, and diet.
Download Time Calculator
Estimate file download times based on your internet speed and file size.
GPA to Letter Grade Converter
Convert your numerical GPA into a standard letter grade based on a 4.0 or 5.0 scale.
Impressions Calculator
Calculate the total number of ad impressions based on your campaign's total cost and CPM.
Daily Water Intake Calculator
Estimate your daily water needs based on your weight and activity level to stay properly hydrated.
Numeral System Converter
Easily convert numbers between binary, octal, decimal, and hexadecimal systems.