How to Convert Nanoseconds to Microseconds (ns to µs)

Updated 5 Oct 2026 in Unit Converters

Time conversions help with project planning, payroll hours and working out how long a loan or COE period really is. This guide shows how to convert nanoseconds into microseconds by hand, with examples and a quick-reference table.

The conversion

To convert nanoseconds to microseconds, multiply the value by 0.001. To go the other way, divide by the same number (or multiply by 1,000). For a quick estimate, multiply by about 0.001.

Microseconds = nanoseconds × 0.001

Worked examples

Nanoseconds to Microseconds table

NanosecondsMicroseconds
1 ns0.001 µs
2 ns0.002 µs
5 ns0.005 µs
10 ns0.01 µs
20 ns0.02 µs
25 ns0.025 µs
50 ns0.05 µs
100 ns0.1 µs
250 ns0.25 µs
500 ns0.5 µs
1,000 ns1 µs

Common questions

Is ns to µs exact?

The factors used here are the internationally defined values where they exist; results are rounded for display only.

How do I convert back?

Use the Microseconds to Nanoseconds converter.

Mistakes to avoid

Mixing similar-sounding units

US and imperial gallons, pints and tons are different sizes, and decimal kilobytes differ from binary kibibytes.

Multiplying when you should divide

Converting to a smaller unit gives a bigger number, and converting to a larger unit gives a smaller one. If your answer moves the wrong way, you have inverted the factor.

Dropping the units

A bare number without a unit is easy to misread later. Always write the unit with the result.

Background

A conversion table is handy for common values, but a calculator is faster and avoids interpolation errors for anything in between.

Unit conversion is simply multiplication by a fixed ratio. The ratio between two units of the same quantity never changes, so once you know it you can convert any value in either direction.

Writing the units next to every number while you work is the simplest way to avoid mistakes. If the units do not cancel to leave the one you want, the calculation is set up wrongly.

For any value, use the Nanoseconds to Microseconds Converter or browse all time converters.

Run your own numbers: Nanoseconds to Microseconds Converter

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