1 microsecond =
1,000 nanoseconds
1 nanosecond =
0.001 microseconds
Handy values
5 µs = 5,000 ns · 10 µs = 10,000 ns · 100 µs = 100,000 ns
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⚡ Microseconds to Nanoseconds: the quick answer
1 µs = 1,000 ns
1 microsecond equals 1,000 nanoseconds
To convert microseconds to nanoseconds, multiply the value by 1,000.
To go the other way, multiply nanoseconds by 0.001 to get microseconds.
↔ Convert nanoseconds to microseconds instead
🧮 Formula
Every unit here is defined by its time in seconds, so the conversion factor is (seconds per microsecond) ÷ (seconds per nanosecond).
📊 Microseconds to Nanoseconds conversion table
✏️ Worked examples
📘 About these units
Microsecond (µs). A microsecond is one millionth of a second.
Nanosecond (ns). A nanosecond is one billionth of a second — light travels about 30 cm in that time.
❓ Frequently asked questions
How many nanoseconds are in one microsecond?
There are 1,000 nanoseconds in one microsecond.
How do I convert microseconds to nanoseconds?
Multiply the number of microseconds by 1,000. For example, 10 microseconds equal 10,000 nanoseconds.
How many microseconds are in one nanosecond?
One nanosecond equals 0.001 microseconds.
How many nanoseconds is 12 microseconds?
12,000 nanoseconds. Other common values: 5 microseconds = 5,000 nanoseconds and 100 microseconds = 100,000 nanoseconds.
🔗 More time conversions
All time units →
What people are saying
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Anonymous · 22 Oct 2026