MB to KB Converter
Quick answer: To convert MB to KB, multiply by 1,000. For example, 10 MB is 10,000 kB. One megabyte equals 1,000 kB.
- Calculator
- Formula
- Examples
- Size compared
- About the units
- Where used
- Step by step
- Popular conversions
- Reading your result
- Mistakes
- FAQ
- Related tools
- Method
Use the MB to KB Converter
MB to KB formula and what each symbol means
kB = MB × 1,000
| Symbol | Meaning |
|---|---|
| MB | Megabyte |
| kB | Kilobyte |
MB to KB examples
1 MB
1 MB × 1,000 = 1,000 kB.
10 MB
10 MB × 1,000 = 10,000 kB.
100 MB
100 MB × 1,000 = 100,000 kB.
MB compared with KB
One MB is 1,000 times as large as one kB, so your number gets bigger when you convert MB to KB and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About MB and KB
Megabyte (MB): 1,000,000 bytes. Kilobyte (kB): 1,000 bytes (SI prefix).
Where MB to KB conversions are used
Memory (RAM) is usually specified in binary units. Drive, phone and cloud-storage sizes are given in gigabytes or terabytes, while operating systems may show gibibytes.
How to calculate MB to KB step by step
- Enter the value in MB (the starting unit).
- Multiply by 1,000, because 1 MB = 1,000 kB.
- The product is the value in kB. To go back, divide by 1,000 or multiply by 0.001.
Popular data storage conversions
How to read your MB to KB result
A byte is 8 bits.
| MB | KB |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
KB to MB: quick table
| KB | MB |
|---|---|
| 1 | 0.001 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
Common mistakes when calculating MB to KB
- Expecting a drive to show its advertised size in an operating system that reports binary units.
- Dividing when you should multiply: from MB to kB multiply by 1,000; from kB to MB divide by 1,000.
MB to KB FAQ
How many kB are in 1 MB?
1 MB equals 1,000 kB.
How many MB are in 1 kB?
1 kB equals 0.001 MB.
Is 1 MB = 1,000 kB an exact conversion?
Yes. The megabyte and the kilobyte are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 1,000 is just that ratio shown to 7 significant figures.
What is a kilobyte (kB)?
1,000 bytes (SI prefix).
How can I estimate MB to KB in my head?
One MB is 1,000 times as large as one kB, so your number gets bigger when you convert MB to KB and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
What is 3 MB in KB?
3 MB = 3,000 kB (since 3 × 1,000).
What is 30 MB in KB?
30 MB = 30,000 kB (since 30 × 1,000).
What is 150 MB in KB?
150 MB = 150,000 kB (since 150 × 1,000).
How many decimals should I keep when converting MB to kB?
Match the precision of your original measurement. For example, 10,000 kB rounds to 10,000 kB at 3 significant figures; keep more digits only for engineering or scientific work.
More in Data Storage converters
- TB to Bytes Converter
- MB to Bits Converter
- TB to GB Converter
- KB to TB Converter
- TB to KB Converter
- TB to MB Converter
See all data storage converters tools · All Conversion calculators · Site map
Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST: prefixes for binary multiples, NIST SP 811, Appendix B.8: conversion factors