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Engineering ToolBox > Physiology - Activity and Metabolic Rate
| Activity | Human Metabolic Rate | |
| (W/m2) | (Met) | |
| Laying down | 46 | 0.8 |
| Sitting, relaxed | 58 | 1.0 |
| Standing, relaxed | 70 | 1.2 |
| Sitting activity (office work, school etc.) | 70 | 1.2 |
| Standing activity (shop, laboratory etc.) | 93 | 1.6 |
| Moving activity (house work, work at machines etc.) | 116 | 2.0 |
| Harder activity (hard work at machines, works shops etc. ) | 165 | 2.8 |
The mean surface area of the human body is approximately 1.8 m2.