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Free online calculators tools
Calculate your Body Mass Index instantly
Calculate tip amount and split the bill easily
Calculate the sale price and savings from any discount
Calculate your return on investment instantly
See how inflation affects your money over time
Convert salary between hourly, weekly, monthly, and yearly
Calculate loan payments with a full amortization schedule
Estimate your mortgage payments with amortization schedule
See how compound interest grows your investment over time
Find out how much to save each month to reach your goal
Find your daily calorie needs based on your body and activity level
Calculate your Basal Metabolic Rate using two proven formulas
Find your ideal body weight using four scientific formulas
Calculate body fat percentage using the circumference-based method
Calculate your estimated due date and current week of pregnancy
Find out how much water you should drink daily
Calculate your exact age in years, months, and days
Calculate percentages in three different modes
Calculate the exact difference between two dates
Calculate fuel cost for your trip
Calculate electricity cost for any appliance
Compare the cost per unit of two products to find the better deal
Compare monthly payments, total cost, and interest of two loans side by side
Calculate your weighted GPA from course grades and credit hours
Calculate your weighted average grade from multiple assignments and assessments
Calculate how much money you'll have at retirement based on savings and contributions
Estimate your US federal income tax based on 2024 tax brackets
Calculate your running pace and speed from distance and time
Calculate IP subnet details including network address, broadcast, usable hosts and subnet masks
Calculate the aspect ratio of any video or image from its width and height
Estimate how long it will take to download a file at your internet speed
Calculate the bandwidth required to transfer data in a given time period
Apply scientific math functions including trigonometry, logarithms, square roots, and more
Perform matrix operations including addition, subtraction, multiplication, transpose, and determinant
Calculate descriptive statistics including mean, median, mode, standard deviation, variance, and more
Analyze password strength, entropy, estimated crack time, and receive security improvement suggestions
Solve proportions by finding the missing value in the equation a/b = c/d
Calculate gross profit margin percentage and profit amount from cost and selling price
Calculate the markup percentage and profit amount from cost price and selling price
Detect character encoding and analyze text for ASCII purity, UTF-8 multibyte characters, emojis, byte count, and more