Welding includes machine tooling, machining, working sheet metal, machine fitter, operating lathe, welding in general. Underwater welding is not included being specialized. Calories burned are averaged. To find the calories for light-to-moderate welding go to the next lower weight category. For heavier work use the next higher weight category. This will give you a more accurate result.
Also bear in mind your working conditions. If you are hot and sweating you will naturally burn more calories. If welding is a hobby for you, ie you are not doing it all day every day then Calories Burned Welding DIY will be more accurate.
Calories Burned in 8 hours
Weight 100lb:1143
Weight 120lb:1372
Weight 125lb:1429
Weight 150lb:1715
Weight 175lb:2000
Weight 200lb:2286
Weight 250lb:2858
Weight 300lb:3429
Calories Burned in 6 hours
Weight 100lb:857
Weight 120lb:1029
Weight 125lb:1072
Weight 150lb:1286
Weight 175lb:1500
Weight 200lb:1715
Weight 250lb:2143
Weight 300lb:2572
Calories Burned in 12 hours
Weight 100lb:1715
Weight 120lb:2057
Weight 125lb:2143
Weight 150lb:2572
Weight 175lb:3001
Weight 200lb:3429
Weight 250lb:4286
Weight 300lb:5144
Calories Burned in 1 hour
Weight 100lb:143
Weight 120lb:171
Weight 125lb:179
Weight 150lb:214
Weight 175lb:250
Weight 200lb:286
Weight 250lb:357
Weight 300lb:429
Calories Burned in 2 hours
Weight 100lb:286
Weight 120lb:343
Weight 125lb:357
Weight 150lb:429
Weight 175lb:500
Weight 200lb:572
Weight 250lb:714
Weight 300lb:857
Calories Burned in 4 hours
Weight 100lb:572
Weight 120lb:686
Weight 125lb:714
Weight 150lb:857
Weight 175lb:1000
Weight 200lb:1143
Weight 250lb:1429
Weight 300lb:1715