Latest posts
-
Body Surface Area Calculator
Estimate your body surface area in square metres from your height and weight, using the Mosteller and Du Bois formulas.
-
Body Fat Calculator
Estimate your body fat percentage with the US Navy tape method — from height, neck and waist measurements.
-
Boat Loan Calculator
Find the monthly payment and total interest on a boat loan.
-
BMR Calculator
Estimate the calories your body burns at complete rest, using the Mifflin-St Jeor and Harris-Benedict equations.
-
BMI Calculator
Enter your height and weight, in metric or imperial units, to get your body mass index, category and a healthy weight range.
-
Binary Calculator
Convert numbers between binary, decimal, octal and hexadecimal.
-
Big Number Calculator
Add, subtract, multiply or raise huge integers to a power — with exact, unrounded precision.
-
Basic Calculator
A simple online calculator for adding, subtracting, multiplying and dividing.
-
Base64 Encode & Decode
Convert text to Base64 and decode Base64 back to text, entirely in your browser.
-
Bandwidth Calculator
Estimate how long a file takes to download at a given connection speed.