KB to MB – Fast Reference
1 MB = 1024 KB. So KB → MB divide by 1024. Inverse: KB = MB × 1024.
Formula
MB = KB ÷ 1024 | KB = MB × 1024
Quick Values
512 KB = 0.5 MB
1024 KB = 1 MB
2048 KB = 2 MB
5120 KB = 5 MB
10240 KB = 10 MB
25600 KB = 25 MB
3‑Step Conversion
- Take the KB value (e.g., 5120)
- Divide by 1024 → 5120 ÷ 1024
- Result = 5 MB
Uses
- File upload limits
- Email attachment sizing
- Mobile app asset budgeting
- Legacy log / cache size policies
Accuracy Tips
- Always use 1024 (not 1000) for binary storage.
- Round to 2 decimals for display; keep full precision for calculations.
- Reverse check: MB × 1024 should equal original KB.
Examples
- 3072 KB ÷ 1024 = 3 MB
- 0.75 MB × 1024 = 768 KB
- 25600 KB ÷ 1024 = 25 MB
FAQ
Why 1024? Binary 210.
When is 1000 used? Marketing specs only.
Half MB? 512 KB.
Tip: In code: const toMB = kb => kb / 1024;