Seconds to Microseconds Converter
Enter the time in seconds below to convert it to microseconds.
Convert Seconds to Microseconds
Enter a value in seconds (s) to convert to microseconds (µs).
Second to Microsecond Conversion Table
Table showing various second measurements converted to microseconds. Click any preset value or arrow to load it into the converter.
How to Convert Seconds to Microseconds
To convert seconds to microseconds, multiply the time by the following conversion ratio: 1,000,000 microseconds/second.
Since one second is equal to 1,000,000 microseconds, you can use this simple formula to convert:
The time in microseconds is equal to the time in seconds multiplied by 1,000,000.
For example, here's how to convert 5 seconds to microseconds using the formula above.
How Many Microseconds Are in a Second?
There are 1,000,000 microseconds in a second, which is why we use this value in the formula above.
Our second to microsecond calculator automatically converts your time measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Seconds and microseconds are both units used to measure time. Keep reading to learn more about each unit.
What Is a Second?
Base SI unit of time. It serves as a primary reference unit for measuring time across scientific and practical applications. [1]
The second is classified as an International System of Units (SI) unit of time. Seconds can be abbreviated as s; for example, 1 second can be written as 1 s.
As the primary coherent reference unit for time in this category, all other time units are mathematically anchored to the second (s).
In practice, seconds (s) are widely used across standard time applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Microsecond?
A microsecond is a unit of time equal to 1/1,000,000 of a second (0.000001 s). One-millionth of a second (10⁻⁶ s). [2]
The microsecond is classified as a metric and SI-compatible unit of time. Microseconds can be abbreviated as µs; for example, 1 microsecond can be written as 1 µs.
In the metric system, "micro" is the standard SI prefix for millionths, or 10⁻⁶. This makes the microsecond (µs) a convenient decimal multiple of the second (s).
In practice, microseconds (µs) are widely used across fine-tolerance laboratory, analytical, and micro-scale time measurements within SI metric workflows, engineering documentation, and technical data sheets.
When converting time between seconds (s) and microseconds (µs), keep full floating-point precision (1 s = 1,000,000 µs; 1 µs = 0.000001 s) during intermediate calculations and round only the final microsecond figure to match your instrument tolerance.
More Second & Microsecond Conversions
Need to calculate in the opposite direction? Use our microseconds to seconds calculator to switch your starting unit immediately. You can also explore related tools such as converting microseconds to seconds, converting seconds to minutes, or converting seconds to milliseconds.
Convert from Seconds
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Time)·Time Metrology Standard — Seconds (s) to Microseconds (µs)
- [2]BIPM SpecificationBIPM (SI Base Unit: Second (s))·Unit Specifications: Second (s) & Microsecond (µs)
- [3]NIST CUU ReferenceNIST CUU (Non-SI Units Accepted for Use (min, h, d))·Conversion Factors & Mathematical Basis (s to µs)