Bandwidth Calculators Download time calculator Bytes --> Time How long does it take to download a big fat image, or mp3, or zip? This calculator will show the time for lots of different modems. Download bytes calculator Time --> Bytes How much data can you download per day? This calculator will show the gigabytes for lots of different modems. Speed reduction by distance Connection speed and Distance --> Throughput Further away is slower, but by how much? This calculator shows how much your speed is reduced by the distance to the server. Server requirement calculator Visitors per day --> Bandwidth needed How much bandwidth does your server need? Input the number of visitors per day and find out. You will be surprised at how little bandwidth you actually need. Server capability calculator Bandwidth available --> Visitors per day You have a server connected at a certain bandwidth. How much visitors can you handle before you have to get more bandwidth? Server capability calculator 2 Slowest page --> Visitors per day How much visitors can your server handle, given the slowest page? PageSize calculator Download time --> filesize You are building a new website and want to know how large your pages can be. Enter the waiting time that you find acceptable and the average speed of your visitors, and the calculator will show how large your pages may be. Unit converter Convert between bits, bytes, kilo, mega, and giga.