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How long does it take to download macOS?
12 GB
about 16m on 100 Mbps
macOS is typically about 12 GB. About the size of three HD movies.
Download time by connection speed
| Connection speed | Download time |
|---|---|
| 1 Mbps | 1d 2h |
| 5 Mbps | 5h 20m |
| 10 Mbps | 2h 40m |
| 25 Mbps | 1h 4m |
| 50 Mbps | 32m |
| 100 Mbps | 16m |
| 250 Mbps | 6m 24s |
| 500 Mbps | 3m 12s |
| 1000 Mbps | 1m 36s |
⏱️ Download time calculator
About downloading macos
A full macOS installer is around 12-14 GB when downloaded from the App Store.
Keep the downloaded installer if you plan to set up more than one Mac.
Frequently asked questions
- How long does it take to download macos on 100 Mbps?
- At 100 Mbps, macOS (about 12 GB) downloads in roughly 16m.
- How long on a slow 10 Mbps connection?
- On a 10 Mbps connection it takes about 2h 40m.
- How big is macos?
- macOS is typically about 12 GB. A full macOS installer is around 12-14 GB when downloaded from the App Store.