MB to KB – Fast Reference
1 MB = 1024 KB. Multiply MB by 1024 to get KB. Reverse: KB ÷ 1024 = MB.
Formula
KB = MB × 1024 | MB = KB ÷ 1024
Quick Values
0.5 MB = 512 KB
1 MB = 1024 KB
2 MB = 2048 KB
5 MB = 5120 KB
10 MB = 10240 KB
25 MB = 25600 KB
3‑Step Conversion
- Take MB value (e.g., 3.5)
- Multiply by 1024 → 3.5 × 1024
- Result = 3584 KB
Uses
- Download size estimates
- Attachment limits (e.g., 25 MB = 25600 KB)
- Memory/cache allocation
- Mobile data budgeting
Accuracy Tips
- Use 1024 for binary storage contexts.
- Round only for display.
- Sanity check: KB ÷ 1024 returns original MB.
Examples
- 7 MB × 1024 = 7168 KB
- 0.75 MB × 1024 = 768 KB
- 12.5 MB × 1024 = 12800 KB
FAQ
Why 1024? 210 bytes = 1 KB in binary addressing.
MB vs MiB? Some systems display MiB for binary MB.
Half MB? 0.5 MB = 512 KB.
Tip: Code helper: const toKB = mb => mb * 1024;