All answers
47 common questions, each answered with a number, the working and a table of nearby cases.
Photos
Music
Video
- How many hours of 1080p video fit on 1 TB?278 hours
- How many hours of 4K video fit on 1 TB?55.6 hours
- How many minutes of 4K video can a 128 GB phone record?576 minutes
- How many hours of 1080p video fit on a 64 GB SD card?28.4 hours
- How big is one hour of 4K video?7–27 GB
- How big is one hour of 1080p video?2.2–5.4 GB
- What bitrate fits a 2-hour film on a 4.7 GB DVD?4.8 Mbps of video
- What bitrate fits 2 hours on a 25 GB Blu-ray?27.3 Mbps of video
Downloads
- How long does 1 GB take to download at 100 Mbps?1 min 24 s
- How long does it take to download 50 GB at 100 Mbps?1 h 10 min
- How long does it take to download 100 GB at 50 Mbps?4 h 41 min
- How long does a 150 GB game take to download at 500 Mbps?42 min 8 s
- How long does a 4 GB movie take to download at 25 Mbps?22 min 28 s
- How long does 1 TB take to download on gigabit internet?2 h 20 min
- How long does 15 GB take to download at 10 Mbps?3 h 31 min
Uploads and backup
Streaming data
- How much data does Netflix 4K use per hour?7 GB per hour
- How much data does Netflix HD use per hour?3 GB per hour
- How much data does YouTube use per hour at 1080p?2.25 GB per hour
- How much data does YouTube 4K use per hour?9 GB per hour
- How much data does Spotify use per hour?144 MB per hour
- How much data does a Zoom call use per hour?1.98 GB per hour
- How much data does Apple Music use per hour?115 MB per hour
Data caps
Units
- Why does a 1 TB drive show only 931 GB?931.3 GB in Windows
- Why does a 2 TB drive show 1.81 TB?1.81 TB in Windows
- Why does a 256 GB SSD show 238 GB?238.4 GB in Windows
- Why does my 128 GB phone have less space than 128 GB?128 GB is still reported
- How many MB are in a GB?1,000 MB in a GB
- What is the difference between Mbps and MB/s?8 Mbps = 1 MB/s
- Why is my download speed 8 times slower than my internet plan?÷ 8
- How many bits are in a byte?8 bits in a byte
- What is a gibibyte (GiB)?1,073,741,824 bytes in a GiB
Compression
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