Millisecond (ms)
The millisecond (ms) is one thousandth of a second.
Symbol: ms
Quantity: time (duration)
SI relation: 1 ms = 0.001 s (exact)
Derivation: 1 ms = 10⁻³ s
Exact: yes, by definition
Typical uses
- Network latency and software timing
- Relay, valve and sensor response times
- Video frame intervals (16.7 ms at 60 fps)
- Human reaction time (≈ 200–250 ms)
Convert milliseconds to other units
| Conversion | 1 ms equals | Reverse |
|---|---|---|
| millisecond to second | 0.001 s | second to millisecond |
| millisecond to minute | 0.00001666666667 min | minute to millisecond |
| millisecond to hour | 2.777777778 × 10⁻⁷ h | hour to millisecond |
| millisecond to day | 1.157407407 × 10⁻⁸ d | day to millisecond |
Open the Time Converter to convert any value between all units.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7, SI prefixes.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Millisecond (ms). Retrieved October 17, 2026, from https://scientificconverters.com/units/millisecond/
IEEE
Scientific Converters, "Millisecond (ms)," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/units/millisecond/