Tech calculators
Data, internet and technology tools — file sizes, transfer times and unit conversions.
Download-time calculator
How long a download will take.
Upload-time calculator
How long an upload will take.
File-transfer-time calculator
How long a local file transfer will take.
Mbps to MB/s converter
Convert megabits to megabytes per second.
GB/MB/TB converter
Convert between megabytes, gigabytes and terabytes.
Video file-size estimator
Estimate a video's file size.
Audio file-size estimator
Estimate an audio file's size.
Bitrate calculator
Hit a target file size for a given duration.
Screen PPI calculator
Work out a screen's pixel density.
Data-usage calculator
Project daily usage to weekly/monthly.