Nanosecond is 1e-9 second units.
Nanoseconds to Microseconds Converter — ns to us
Convert Nanosecond (ns) to Microsecond (us) using the exact conversion factor (1 nanosecond = 0.001 microsecond). See the formula, worked examples, and conversion table.
Nanoseconds to Microseconds converter
Converter
Time Converter
Convert SI time, civil time, historical durations, months, and years.
Context values
Some unit families need one extra value for a physically accurate result.
Microsecond is 0.000001 second units.
Result = input x 1e-9 / 1e-6.
Months and years use the average Gregorian year.
Reserved above the conversion cards and below the converter.
About Converting Nanoseconds to Microseconds
Nanosecond and Microsecond are both everyday units of duration, and converting between them is one of the most routine calculations there is — scheduling, project planning, and billing all depend on it. Specifically: Nanosecond is 1e-9 second units, and microsecond is 0.000001 second units.
Formula
microseconds = nanoseconds × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 nanosecond equals 1e-9 base units, and 1 microsecond equals 0.000001 base units, so dividing one by the other gives the direct nanosecond-to-microsecond factor of 0.001.
Simple example
1 ns × 0.001 = 0.001 us
1 nanosecond = 0.001 microseconds.
Real-world example
24 ns × 0.001 = 0.024 us
24 nanoseconds = 0.024 microseconds.
Conversion table
| Nanosecond (ns) | Microsecond (us) |
|---|---|
| 1 ns | 0.001 us |
| 7 ns | 0.007 us |
| 24 ns | 0.024 us |
| 30 ns | 0.03 us |
| 100 ns | 0.1 us |
| 365 ns | 0.365 us |
Reverse conversion: Microsecond to Nanosecond
0.001 us × 1000 = 1 ns
0.001 microseconds = 1 nanosecond.
nanoseconds = microseconds × 1000
For a page dedicated to this direction, see Microsecond to Nanosecond.
Understanding the Nanosecond (ns)
Nanosecond is 1e-9 second units.
Understanding the Microsecond (us)
Microsecond is 0.000001 second units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many microseconds are in 1 nanosecond?
1 nanosecond equals 0.001 microseconds, using the exact defined conversion factor rather than an estimate.
How do I convert nanosecond to microsecond?
Multiply the nanosecond value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert microsecond back to nanosecond?
Use the reverse factor: 1 microsecond equals 1,000 nanoseconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanosecond?
Nanosecond (ns) is a unit of time.
What is a microsecond?
Microsecond (us) is a unit of time.
Is the nanosecond to microsecond conversion exact?
Yes. Both nanosecond and microsecond are defined by fixed standards rather than physical artifacts, so the factor of 0.001 used above is exact to as many digits as you choose to display.