Convert Milliseconds to Microseconds
Need to figure out how many microseconds are in a millisecond? Whether you're working on code, latency testing, or benchmarking hardware, use our simple calculator to change ms to microseconds instantly. You can also review the formula and our handy reference chart below.
Milliseconds to microseconds calculator
Quick Reference
Milliseconds to Microseconds Conversion Table
Here is a quick look at common conversions from a millisecond to a microsecond. We built this chart using the simple fact that one millisecond equals exactly 1,000 microseconds.
| Milliseconds (ms) | Calculation | Microseconds (µs) |
|---|---|---|
| 0.001 ms | 0.001 × 1,000 | 1 µs |
| 0.01 ms | 0.01 × 1,000 | 10 µs |
| 0.1 ms | 0.1 × 1,000 | 100 µs |
| 0.25 ms | 0.25 × 1,000 | 250 µs |
| 0.5 ms | 0.5 × 1,000 | 500 µs |
| 1 ms | 1 × 1,000 | 1,000 µs |
| 1.5 ms | 1.5 × 1,000 | 1,500 µs |
| 2 ms | 2 × 1,000 | 2,000 µs |
| 5 ms | 5 × 1,000 | 5,000 µs |
| 10 ms | 10 × 1,000 | 10,000 µs |
| 50 ms | 50 × 1,000 | 50,000 µs |
| 100 ms | 100 × 1,000 | 100,000 µs |
| 500 ms | 500 × 1,000 | 500,000 µs |
| 1,000 ms | 1,000 × 1,000 | 1,000,000 µs |
Step-by-Step
How to Convert a Millisecond to a Microsecond
Wondering how to switch from ms to us yourself? The math is incredibly straightforward.
The Core Rule
Both milliseconds and microseconds track tiny fractions of a second. The exact relationship to remember is that 1 millisecond equals 1,000 microseconds.
If you ever need to go backward and turn microseconds into milliseconds, you just divide your total microseconds by 1,000.
How to Calculate ms to Microseconds
Write down your milliseconds
Identify the number of milliseconds you want to convert. Let's say you have 2 milliseconds.
Multiply by 1,000
Multiply your starting number by 1,000. In this case, 2 × 1,000 gives you 2,000.
Label your answer
Add the unit "microseconds" or the symbol "µs" after the number so the result is perfectly clear. Your answer is 2,000 µs.
Milliseconds vs Microseconds
What's the Difference Between Milliseconds and Microseconds?
A millisecond (ms) is one-thousandth of a second, while a microsecond (µs) is one-millionth. That means a microsecond is exactly a thousand times smaller than a millisecond.
To convert your time from ms to microseconds, you just multiply your value by 1,000.
For example, half a millisecond becomes 500 microseconds, and 2 milliseconds becomes 2,000 microseconds.
Programmers, engineers, and scientists rely on this exact math for measuring server latency, checking microcontroller speeds, and logging high-precision data.
Worked Examples
Common Millisecond to Microsecond Conversions
Here is how to calculate microseconds in milliseconds for some of the most popular values.
1/10 millisecond to microseconds
0.1 × 1,000 = 100 microseconds. A tenth of a millisecond gives you one hundred microseconds.
1/4 millisecond to microseconds
0.25 × 1,000 = 250 microseconds. A quarter of a millisecond equals two hundred and fifty microseconds.
1/2 millisecond to microseconds
0.5 × 1,000 = 500 microseconds. Half a millisecond translates to exactly five hundred microseconds.
1 millisecond to microseconds
1 × 1,000 = 1,000 microseconds. Exactly 1,000 microseconds make up a single millisecond.
2 milliseconds to microseconds
2 × 1,000 = 2,000 microseconds. Multiply 2 by 1,000, and you get two thousand microseconds.
5 milliseconds to microseconds
5 × 1,000 = 5,000 microseconds. Five milliseconds equals exactly five thousand microseconds.
10 milliseconds to microseconds
10 × 1,000 = 10,000 microseconds. Ten milliseconds equates to exactly ten thousand microseconds.
50 milliseconds to microseconds
50 × 1,000 = 50,000 microseconds. Fifty milliseconds is equal to fifty thousand microseconds.
FAQ
Frequently Asked Questions
Everything you need to know about changing ms to us (microseconds).