Convert Microsecond to Millisecond
1 microsecond = 0.001 millisecond (ms). Type any value below to convert microsecond to millisecond both ways — it runs entirely in your browser.
Microsecond to Millisecond conversion formula
To convert microsecond to millisecond, multiply by 0.001:
millisecond = microsecond × 0.001
Going the other way, 1 millisecond = 1,000 microsecond, so
microsecond = millisecond × 1,000.
Microsecond to Millisecond — worked examples
| Microsecond | Millisecond |
|---|---|
| 1 µs | 0.001 ms |
| 2 µs | 0.002 ms |
| 3 µs | 0.003 ms |
| 5 µs | 0.005 ms |
| 10 µs | 0.01 ms |
| 25 µs | 0.025 ms |
| 50 µs | 0.05 ms |
| 100 µs | 0.1 ms |
Microsecond ↔ Millisecond reference table
| Microsecond → Millisecond | Millisecond → Microsecond |
|---|---|
| 1 µs = 0.001 ms | 1 ms = 1,000 µs |
| 2 µs = 0.002 ms | 2 ms = 2,000 µs |
| 5 µs = 0.005 ms | 5 ms = 5,000 µs |
| 10 µs = 0.01 ms | 10 ms = 10,000 µs |
| 20 µs = 0.02 ms | 20 ms = 20,000 µs |
| 50 µs = 0.05 ms | 50 ms = 50,000 µs |
| 100 µs = 0.1 ms | 100 ms = 100,000 µs |
| 250 µs = 0.25 ms | 250 ms = 250,000 µs |
| 500 µs = 0.5 ms | 500 ms = 500,000 µs |
| 1000 µs = 1 ms | 1000 ms = 1,000,000 µs |
About microsecond and millisecond
Microsecond: A microsecond is one-millionth of a second (1 s = 1,000,000 µs; 1 ms = 1,000 µs) — used for high-resolution timers and signal timing.
Millisecond: A millisecond is one-thousandth of a second (1 s = 1,000 ms) — the unit for web-page load times, API timeouts, ping/latency and animation frames.
Frequently asked questions
- How many millisecond are in 1 microsecond?
- 1 microsecond = 0.001 millisecond (ms).
- How do I convert microsecond to millisecond?
- Multiply the number of microsecond by 0.001. For example, 10 microsecond = 10 × 0.001 = 0.01 millisecond.
- How many microsecond are in 1 millisecond?
- 1 millisecond = 1,000 microsecond.
- Which is bigger, microsecond or millisecond?
- 1 millisecond equals 1,000 microsecond, so a millisecond is the larger unit.