Physics > Process and Activity Power Ratings
The tables below show the estimated generated power (in Watts) for various
devices or processes and during human activities.
Power (W) |
Device or process |
3.6 × 1039 |
Standard quasar |
3.6 × 1026 |
The sun |
1.25 × 1015 |
World’s most powerful laser (Petawatt) |
1.3 × 1013 |
Total estimated human consumption, global |
1.2 × 1010 |
Space shuttle during launch |
109 ~ 1010 |
Typical power station output |
4,700,000 |
most powerful train (GE AC6000 CW) |
783,000 |
most powerful truck (Terex TR100) |
468,000 |
most powerful car (McLaren F1) |
10,000 |
Watt's steam engine of 1778 |
746 |
1 horsepower |
100 |
human, daily average output |
10−5 |
Human voice |
Estimated power generated by specific human activity.
Power(W) |
Activity |
800 |
playing basketball |
700 |
cycling (21 km/h) |
685 |
climbing stairs (116 steps/min) |
545 |
skating (15 km/h) |
475 |
swimming (1.6 km/h) |
440 |
playing tennis |
400 |
cycling (15 km/h) |
265 |
walking (5 km/h) |
210 |
sitting with focussed attention |
125 |
standing at rest |
120 |
sitting at rest |
83 |
sleeping |