# Xfer Calculator

**Xfer Calculator** is a bandwidth/transfer time/transfer size calculator.

It is very useful when you need to :

- calculate how much time it takes to transfer a certain amount of data with a certain bandwidth
- calculate how much data you can transfer with a certain bandwidth in a certain time window
- calculate how much bandwith you have if you have transfered a certain amount of data in a certain amout of time

### FEATURES

- Calculate bandwidth/file transfer time or transfer size
- Take the protocol overheads into account
- A lot of predefined common bandwidths availables
- Automatic selection of best unit size
**Fully customizable !**You can enter your own set of units, predefined rates and overheads- Saves the latest state on close