Megabytes to Kilobytes Converter
Convert Megabytes to Kilobytes with the exact conversion factor, a worked example and a quick-reference table. Runs entirely in your browser.
This converter turns Megabytes into Kilobytes instantly using the standard definition of both units. It includes the formula, a worked example, and a quick table for common amounts, and it works for any value you type — including decimals and negatives where they make sense.
Quick reference — Megabytes to Kilobytes
How to use this calculator
- Enter the value in Megabytes in the input box.
- Read the result in Kilobytes — it updates as you type.
- Use the Swap button to convert in the opposite direction.
- Check the quick-reference table for common Megabytes amounts.
The formula
Kilobytes = Megabytes × 1,000
Worked example
3 MB = 3,000 KB — in full, 3 Megabytes converts to 3,000 Kilobytes. File sizes, downloads and storage specs are the everyday jobs for this conversion.
Frequently Asked Questions
How do I convert Megabytes to Kilobytes?
Multiply the value in Megabytes by 1,000. For example, 3 Megabytes × 1,000 = 3,000 Kilobytes. To go the other way, divide by 1,000 instead — or press Swap in the converter above.
How many Kilobytes are in one Megabyte?
One Megabyte equals 1,000 Kilobytes. Scaling up, 10 Megabytes = 10,000 Kilobytes and 100 Megabytes = 100,000 Kilobytes. The converter uses the full-precision factor, so typed values are more precise than the rounded figure quoted here.
Which is bigger, a Megabyte or a Kilobyte?
A Megabyte is bigger. One Megabyte equals 1,000 Kilobytes, while one Kilobyte is only 0.001 Megabytes. So a measurement that looks larger in Kilobytes is reflecting the scale difference, not an error.
What is 3 Megabytes in Kilobytes?
3 Megabytes is 3,000 Kilobytes. The math is 3 × 1,000 = 3,000. Try any other amount in the converter above and the result updates as you type.