Online Tools

This random number generator generates one or many random numbers. The range of the numbers, whether there can be duplicate random numbers, and the order of the result can be defined by the user.

This virtual dice roller can mimic the rolling of up to 5000 dice with any number of sides.

This calculator provides the details of an IPv4 network and calculates subnets of the network.

This free time clock calculator calculates your daily hours on a weekly timesheet and can also deduct time taken for breaks. Hourly rate and overtime can also be included.

This calculator estimates a person's BAC based on their alcohol intake. It also provides the time needed for the BAC to drop to various legal limits.