Milliseconds (ms)
The millisecond is one thousandth of a second.
Convert milliseconds to any time unit
1 millisecond = 1.1574074 × 10-8 days
Quick facts
- Unit
- Millisecond (plural: milliseconds)
- Symbol
- ms
- Measures
- Time / Duration
- System
- Metric (SI)
- Equals
- 0.001 seconds
- Definition
- One thousandth of a second.
- Also written
- msec
1 millisecond in other units
| Days | 1.1574074 × 10-8 d |
| Hours | 2.7777778 × 10-7 h |
| Minutes | 0.000016666667 min |
| Seconds | 0.001 s |
| Years | 3.1688739 × 10-11 yr |
| Months | 3.8026486 × 10-10 mo |
| Weeks | 1.6534392 × 10-9 wk |
| Centuries | 3.1688739 × 10-13 c |
What is a millisecond?
The millisecond is one thousandth of a second. It is used for reaction times, network latency ("ping"), camera shutter speeds and audio.
Where the millisecond sits among time units
The millisecond is number 13 of 101 on our scale of time units, ordered from smallest to largest.
Milliseconds in real life
- A blink takes about 100–400 ms
- Human reaction time is about 200–250 ms
- A good online gaming ping is under 50 ms
- A camera shutter at 1/1000 s is open for 1 ms
One millisecond is about as long as a camera flash, or about 5% of a hummingbird wingbeat.
Top millisecond conversions
Common amounts of milliseconds
- 0.1 ms
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Convert milliseconds to all 100 other units
Everyday
- ms to d
- ms to h
- ms to min
- ms to s
- ms to yr
- ms to mo
- ms to wk
- ms to c
- ms to dec
- ms to ka
- ms to fn
- ms to Q
- ms to common year
- ms to leap year
- ms to semester
- ms to 30-day month
- ms to score (20 years)
Metric (SI)
- ms to µs
- ms to ns
- ms to ps
- ms to fs
- ms to as
- ms to cs
- ms to ks
- ms to ds
- ms to Gs
- ms to Ms
- ms to zs
- ms to ys
- ms to Ts
Astronomical
- ms to a
- ms to sidereal day
- ms to synodic month
- ms to tropical year
- ms to Ma
- ms to sidereal year
- ms to Mars sol
- ms to galactic year
- ms to Ga
- ms to sidereal month
- ms to saros
- ms to Mars year
- ms to Metonic cycle
- ms to Platonic year
- ms to anomalistic year
- ms to draconic year
- ms to Jupiter day
- ms to Sothic cycle
- ms to Venus day
- ms to anomalistic month
- ms to draconic month
- ms to Callippic cycle
- ms to Gaussian year
- ms to Hipparchic cycle
- ms to Pluto year
- ms to sidereal second
- ms to tropical month
Scientific
Historical & cultural
- ms to generation
- ms to olympiad
- ms to baktun
- ms to decimal hour
- ms to 刻
- ms to 时辰
- ms to .beat
- ms to decimal minute
- ms to decimal second
- ms to ghati
- ms to jubilee
- ms to kalpa
- ms to lustrum
- ms to moment (medieval)
- ms to muhurta
- ms to yuga
- ms to cd
- ms to 更
- ms to helek
- ms to indiction
- ms to kalabtun
- ms to katun
- ms to kin (Maya)
- ms to mahayuga
- ms to manvantara
- ms to piktun
- ms to triennium
- ms to tun (Maya)
- ms to vighati
- ms to winal
Everyday comparisons
Convert to milliseconds
Frequently asked questions
What is a millisecond?
The millisecond is one thousandth of a second.
How is the millisecond defined?
One thousandth of a second.
How many days are in a millisecond?
One millisecond equals 1.1574074e-8 days.
How many hours are in a millisecond?
One millisecond equals 2.7777778e-7 hours.
How many minutes are in a millisecond?
One millisecond equals 0.000016666667 minutes.