How many sec is 100 ms?
100 ms = 0.1 sec
Rounding 0.1 sec to 0 sec is off by 100%. At this value the decimals are worth keeping.
And how many ms is 100 sec?
100 sec = 100,000 ms
Formula: sec = ms × 0.001
ms to sec around this value
10 ms0.01sec
20 ms0.02sec
30 ms0.03sec
40 ms0.04sec
50 ms0.05sec
60 ms0.06sec
70 ms0.07sec
80 ms0.08sec
90 ms0.09sec
100 ms0.1sec
110 ms0.11sec
120 ms0.12sec
130 ms0.13sec
140 ms0.14sec
150 ms0.15sec
160 ms0.16sec
170 ms0.17sec
180 ms0.18sec
190 ms0.19sec
200 ms0.2sec