File Size Calculator
Convert file sizes between bytes, KB, MB, GB, and TB instantly.
bytes104,857,600
KB102,400
MB100
GB0.098
TB0
Frequently Asked Questions
How long does it take to transfer a 1 GB file?
At 100 Mbps: ~80 seconds. At 1 Gbps: ~8 seconds. At USB 3.0 (5 Gbps): ~1.6 seconds.
How much storage does 1 hour of video use?
1080p H.264 video at 30fps uses roughly 4–8 GB per hour. 4K HDR can use 20–50 GB per hour.