Megabytes to kilobytes (MB to kB)
Convert megabytes to kilobytes. For digital information, 1 MB equals 1000 kB.
Converter
MB to kB conversion table
| Megabytes | Kilobytes |
|---|---|
| 1 MB | 1000 kB |
| 2 MB | 2000 kB |
| 5 MB | 5000 kB |
| 10 MB | 10000 kB |
| 25 MB | 25000 kB |
| 50 MB | 50000 kB |
| 100 MB | 100000 kB |
| 1000 MB | 1000000 kB |
Formula
kB = MB × 1000
Worked example
25 MB × 1000 = 25000 kB
Popular conversion examples
Choose an example to open this converter with the value filled in. These are useful examples, not a claim about search rankings.
- 1 MB to kB = 1000 kB
- 5 MB to kB = 5000 kB
- 100 MB to kB = 100000 kB
- 20 MB to kB = 20000 kB
- 1 kB to MB = 0.001 MB
- 1000 kB to MB = 1 MB
About megabytes and kilobytes
Megabyte (MB)
A decimal megabyte is 1,000,000 bytes (1,000 kB). It is used for file sizes and download quotas.
Kilobyte (kB)
A decimal kilobyte is 1,000 bytes. It is used by drive makers, operating systems that follow SI, and networking.
Both are units of digital information; the base unit used internally is bit.
Notes
- Decimal: 1 kB = 1000 bytes, 1 MB = 1000 kB, 1 GB = 1000 MB. Binary: 1 KiB = 1024 bytes, 1 MiB = 1024 KiB, 1 GiB = 1024 MiB.
- 1 TB = 1000 GB = 10¹² bytes and 1 TiB = 1024 GiB = 2⁴⁰ bytes (1,099,511,627,776 bytes).
- 1 byte = 8 bits. Data rates are not yet included. Quantities cannot be negative.
MB to kB FAQs
How do I convert megabytes to kilobytes?
Multiply the number of megabytes by 1000 to get kilobytes. For example, 25 MB × 1000 = 25000 kB.
How many kilobytes are in one megabyte?
1 MB = 1000 kB and 1 kB = 0.001 MB. To go the other way, use the kilobytes to megabytes converter.
How many kilobytes are in 10 megabytes?
10 MB = 10000 kB, rounded to 6 significant digits. Change the value in the converter above for any other amount.
How many kilobytes are in 2 megabytes?
2 MB = 2000 kB, rounded to 6 significant digits.
What is the difference between megabytes and kilobytes?
A decimal megabyte is 1,000,000 bytes (1,000 kB). It is used for file sizes and download quotas. A decimal kilobyte is 1,000 bytes. It is used by drive makers, operating systems that follow SI, and networking.
What is the difference between decimal (GB) and binary (GiB) units?
Decimal units (kB, MB, GB, TB) count in powers of 1,000 and binary units (KiB, MiB, GiB, TiB) count in powers of 1,024. For example 1 GB = 1,000,000,000 bytes but 1 GiB = 1,073,741,824 bytes. Here MB is decimal (powers of 1,000) and kB is decimal (powers of 1,000).
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Guide
Read: KB vs MB vs GB: Which Is Bigger?.