Technology
Download times, storage, and data conversions.
Download / Upload Time Calculator
Estimate how long a file will take to download or upload at a given speed.
IP Subnet Calculator
Calculate the network address, broadcast address, subnet mask, and usable host range for an IPv4 address.
Aspect Ratio Calculator
Calculate the simplified aspect ratio of a width and height, and scale to any target width.
RAID Calculator
Calculate the usable storage capacity and fault tolerance for a RAID array.