iPhone Storage Calculator
Calculate how many photos and videos fit on your iPhone based on storage capacity.
Calculate iPhone Capacity
Select your iPhone storage model
💡 Double Your Storage Without Upgrading
Compress photos and videos by 50% with MediaOptim mobile app. 128GB becomes 256GB of usable space.
Storage Breakdown by Model
| Model | Usable | Photos | 4K Video |
|---|---|---|---|
| 64 GB | ~56 GB | ~22,000 | ~2.5 hours |
| 128 GB | ~113 GB | ~45,000 | ~5 hours |
| 256 GB | ~225 GB | ~90,000 | ~10 hours |
| 512 GB | ~450 GB | ~180,000 | ~20 hours |
| 1 TB | ~900 GB | ~360,000 | ~40 hours |
Frequently Asked Questions
How much storage does iOS take on iPhone?
iOS itself takes 6-8 GB on newer iPhones. This includes the operating system and pre-installed apps. On a 64GB iPhone, you have approximately 55-57GB of usable storage.
How many photos can a 128GB iPhone hold?
Approximately 25,000-40,000 photos, depending on quality. HEIC photos (iPhone default) are about 2-3MB each. If using JPG, expect 20,000-30,000 photos.
How can I free up iPhone storage without deleting?
Compress photos and videos using MediaOptim mobile app. Most media can be reduced by 40-70% without visible quality loss, effectively doubling your storage capacity.
What takes up the most space on iPhone?
Photos and videos typically use 60-80% of iPhone storage. A single 4K video can be 400MB per minute. Compressing media is the fastest way to free up space.
Compress on Mac, Sync to iPhone
Compress videos, photos & audio. HEVC, WebP, AVIF, FLAC support.
$49 one-time
Get MediaOptim for MacCompress Directly on iPhone
Compress photos & videos directly on iOS and Android.
$4.99 one-time
Get MediaOptim Mobile