Cloud storage providers offer everything from 2GB to unlimited, but most people overestimate what they actually need. Here’s how to calculate your real storage requirements.
Email and documents
If you mostly store documents, spreadsheets, and emails, your needs are smaller than you think:
- 1,000 Word/Google Docs documents: ~500MB
- 5 years of emails: ~2-5GB
- PDF manuals and receipts: ~1-2GB
Verdict: 5-10GB is plenty for document-only users.
Photos
Photos are where storage starts to matter:
- 10,000 smartphone photos (12MP): ~25-30GB
- 10,000 DSLR photos (24MP RAW): ~300-400GB
- Google Photos compressed (High Quality): ~10% of original size
Verdict: 15-50GB for casual photographers, 200GB-2TB for enthusiasts.
Videos
Video is the real storage killer:
- 1 hour of 1080p footage: ~10-15GB
- 1 hour of 4K footage: ~40-80GB
- A YouTube creator’s raw footage archive: 500GB+ per year
Verdict: At least 200GB if you shoot any video, 2TB+ if you create content.
Backup (system + phone)
Full device backups take significant space:
- Windows system backup: 100-500GB
- Mac Time Machine: 200GB-2TB
- Full iPhone backup: 20-100GB
- Android phone backup: 10-50GB
Verdict: 200GB-2TB if you want full device backups in the cloud.
Storage needs by user type
| User type | Documents | Photos | Video | Backup | Recommended |
|---|---|---|---|---|---|
| Basic user | 5GB | 10GB | – | 20GB | 15-50GB |
| Photographer | 5GB | 100GB | 20GB | 50GB | 200GB |
| Content creator | 10GB | 200GB | 500GB | 200GB | 2TB |
| Family (4 people) | 20GB | 100GB | 50GB | 200GB | 2TB |
The free plan reality check
Most free cloud storage plans offer 2-15GB. That’s enough for documents and some photos, but not for video, full backups, or heavy photo libraries. If you’re on a free plan and running out of space, you probably need a paid tier.
Verdict
For most people, 200GB is the sweet spot — enough for documents, photos, phone backups, and some video. Heavy users should go for 2TB, which accommodates content creation and full device backups. If you’re still on a free 5-15GB plan and it’s working for you, keep it — don’t pay for storage you don’t need.