The 12-3-30 Workout burns about 221 kcal for a 70 kg (154 lb) person.
The 12-3-30 Workout burns about 221 kcal for a 70 kg (154 lb) person.
Amount: 30 min
Calories burned by The 12-3-30 Workout are computed using the ACSM formula: kcal = (MET × 3.5 × body weight kg ÷ 200) × minutes. The MET for The 12-3-30 Workout is 6. MET stands for Metabolic Equivalent — 1 MET equals resting metabolism (sitting still).
Heavier people burn more calories doing the same activity because more mass must be moved. The calculator above updates in real time as you change the weight.
kcal doing The 12-3-30 Workout · 70 kg = highlighted
| Body weight | Weight (lb) | kcal |
|---|---|---|
| 50 kg | 110 lb | 158 kcal |
| 60 kg | 132 lb | 189 kcal |
| 70 kg | 154 lb | 221 kcal |
| 80 kg | 176 lb | 252 kcal |
| 90 kg | 198 lb | 284 kcal |
| 100 kg | 220 lb | 315 kcal |
kcal · The 12-3-30 Workout · 70 kg
kcal in 30 min · 70 kg · The 12-3-30 Wo… = highlighted
The 12-3-30 Workout is a specific amount of the Treadmill activity. The calories computed above apply to this fixed amount at 70 kg body weight.
All values use the MET approach from the Compendium of Physical Activities (Ainsworth et al. 2011) and the ACSM formula. Figures are gross calories (including resting metabolism) — individual variation due to fitness level, technique, temperature, and metabolic efficiency can be ±20–30%.
For more precise measurements, heart-rate-based devices or lab testing (indirect calorimetry) are recommended.
The 12-3-30 Workout can support weight loss when total calorie expenditure exceeds intake. A deficit of 7,700 kcal corresponds to approximately 1 kg of body fat. Regular The 12-3-30 Workout sessions can build this deficit — especially when you enjoy the activity enough to stick with it long-term.
A 70 kg (154 lb) person burns about 221 kcal doing The 12-3-30 Workout.
Yes. A 90 kg person burns about 284 kcal — more than the 221 kcal for a 70 kg person.
It depends on your goals. As part of a varied routine, The 12-3-30 Workout can contribute meaningfully to daily calorie burn. For endurance and strength, combine multiple activity types.
The 12-3-30 Workout burns calories and can support weight loss when you maintain a calorie deficit. Consistency is key: regular activity over weeks and months, combined with balanced nutrition.
The figure uses the MET-based approach from the Compendium of Physical Activities (Ainsworth et al. 2011) combined with the ACSM formula. Individual factors such as fitness level and pace can vary ±20–30%.
Calculate any activity
The calorie calculator supports all activities with adjustable weight and duration.