Microsecond to Second Converter
One Microsecond equals 0.000001 Second (1 us = 0.000001 s). Multiply a Microsecond value by 0.000001 to get the equivalent in Second. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.
Formula
s = us × 0.000001
Multiply the Microsecond value by 0.000001 to get the equivalent value in Second.
Example Conversions
1 Microsecond (us)
0.000001 Second (s)
5 Microsecond (us)
0.000005 Second (s)
10 Microsecond (us)
0.00001 Second (s)
25 Microsecond (us)
0.000025 Second (s)
100 Microsecond (us)
0.0001 Second (s)
Conversion Table
| Microsecond (us) | Second (s) |
|---|---|
| 0.1 | 1.000000e-7 |
| 0.5 | 5.000000e-7 |
| 1 | 0.000001 |
| 2 | 0.000002 |
| 5 | 0.000005 |
| 10 | 0.00001 |
| 25 | 0.000025 |
| 50 | 0.00005 |
| 100 | 0.0001 |
| 250 | 0.00025 |
| 500 | 0.0005 |
| 1000 | 0.001 |
How to Convert Manually
Use these steps to convert Microsecond values to Second without the calculator.
- Write down the value in Microsecond (us) that you want to convert.
- Multiply that value by 0.000001.
- For example, 10 Microsecond × 0.000001 = 0.00001 Second.
- Label the result as Second (s).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Microsecond and one Second.
About Microsecond and Second
The microsecond is one millionth of a second. High-frequency trading, GPS timing, and electronics signal measurement work at microsecond scale. The second is the SI base unit of time, defined by 9,192,631,770 oscillations of the cesium-133 atom. Every other time unit is a multiple or fraction of it. One Microsecond equals 0.000001 Second (1 us = 0.000001 s). Microsecond to Second conversion comes up most often in high-frequency trading latency and in GPS and precision timing, typically when figures need restating for scientific measurement.
Precision and Rounding: Units up to the week are exact; months, years, decades, and centuries are calendar averages (this converter uses a 365-day year and a month of one twelfth of that), so converted values are approximations for scheduling, not for date arithmetic. Use a calendar library when exact dates matter.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15 Microsecond equals 0.000015 Second.
15 us × 0.000001 = 0.000015 s
FAQ
How do I convert Microsecond to Second?
Multiply the Microsecond value by 0.000001 to get the equivalent value in Second.
What is the formula for Microsecond to Second?
The formula is s = us × 0.000001.
How many Second are in 1 Microsecond?
1 Microsecond equals 0.000001 Second.
Can I convert Second back to Microsecond?
Yes. 1 Second equals 1000000 Microsecond, and the related converter can reverse the calculation.
What are common names for Microsecond and Second?
Microsecond is shown as us and may also be searched as microseconds, μs. Second is shown as s and may also be searched as seconds, sec, secs.
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