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Convert seconds to milliseconds (s to ms)

Type a value in seconds or in milliseconds: the other field updates as you type. Below you will find the formula, a worked example and a s to ms chart.

Updated on

1 s = 1,000 ms

How to convert seconds to milliseconds

Formula: ms = s × 1,000

Worked example: 3,600 s → 3,600 × 1,000 = 3,600,000 ms

Seconds to milliseconds conversion chart

Seconds (s)Milliseconds (ms)
1 s1,000 ms
2 s2,000 ms
3 s3,000 ms
4 s4,000 ms
5 s5,000 ms
6 s6,000 ms
7 s7,000 ms
8 s8,000 ms
9 s9,000 ms
10 s10,000 ms
12 s12,000 ms
15 s15,000 ms
20 s20,000 ms
24 s24,000 ms
30 s30,000 ms
36 s36,000 ms
45 s45,000 ms
48 s48,000 ms
60 s60,000 ms
72 s72,000 ms
90 s90,000 ms
100 s100,000 ms
120 s120,000 ms

What is a second?

The second is the SI base unit of time, defined from the vibration frequency of the cesium-133 atom. A minute has 60 seconds, an hour 3,600 and a day 86,400.

What is a millisecond?

The millisecond is one thousandth of a second. It measures reaction times (about 200 to 300 ms for a person), network latency, camera shutter speeds and the timing of computer programs.

Frequently asked questions

How many milliseconds are in a second?

A second equals 1,000 milliseconds. To convert any value, multiply the number of seconds by 1,000.

How do you convert seconds to milliseconds?

Use the formula ms = s × 1,000. Example: 3,600 s → 3,600 × 1,000 = 3,600,000 ms.

How many seconds are in a millisecond?

A millisecond equals 0.001 seconds. That is the reverse conversion, from milliseconds to seconds.

Results are rounded to 6 significant digits; the conversion factors are the exact legal definitions.