Calculators

Calculates the number of balloons needed for a balloon arch based on its length and balloon size.

This calculator determines what type of cat personality you would have based on your preferences and lifestyle.

Converts between mesh size and microns, commonly used in particle size analysis and sieving.

Calculates network details based on an IP address and subnet mask.

Calculates the usable storage space and redundancy level for different RAID configurations based on the number and size of hard drives.

Generates numeric or symbolic Linux file permission codes based on user/group/other read/write/execute settings.

Calculates equivalent focal lengths considering sensor size (crop factor) or helps choose lenses.

Calculates the theoretical maximum speed of a displacement hull boat based on its waterline length.

Explore global events and statistics unfolding around the world at different time intervals.

Converts time between military time (24-hour clock) and standard time (12-hour clock).