Internet & data
Interactive tools with transparent methods. Change the inputs, check the example and use the result with its assumptions.
Download Time Calculator
Estimate transfer time from file size, speed and efficiency. Divide the file size in bits by the effective connection rate in bits per second.
Data Storage Converter
Convert a decimal GB amount into bytes and decimal or binary storage units. One GB is 1,000,000,000 bytes; one GiB is 1,073,741,824 bytes.
Video File Size Calculator
Estimate file size from duration and the combined video and audio bitrate. One megabit per second for one minute uses 7.5 decimal MB before container overhead.
Shared Bandwidth Calculator
Add the simultaneous demand of your devices and apply spare capacity. This estimates a capacity target; it does not measure your connection or guarantee performance.
GB to GiB: exact storage reference table
A decimal GB contains one billion bytes. Divide that byte count by 1,073,741,824 to express the same quantity in GiB. These are equivalent quantities, not missing storage.
Download times by file size and connection speed
Compare theoretical download durations at 10, 50, 100 and 1,000 Mbps. Every column assumes a constant rate and 100% efficiency; real transfers can take longer.
Video bitrate to file size: 10, 30 and 60 minutes
Estimate decimal MB for common combined audio and video bitrates. At 8 Mbps, ten minutes needs about 600 MB before container overhead.