Watts are not deadly but it would take 12 micro-watts through the heart to kill someone.
Yes if applied directly to the heart muscle.
100wats
210,000,000 watts
132 watts
1540 watts
25000 watts
95,000 watts.
746 watts.
1650 watts.
100 watt
There are 1,000 watts in a kilowatt (kW).
Usually about 1200 to 1500 watts.