Calories burned during Desk work — calculator and tables
Desk work is estimated at about 1.3 METs. A 70 kg person may burn roughly 48 calories in 30 minutes or 96 calories in 60 minutes.
Desk work calorie calculator
Enter your body weight and duration to estimate calories burned for your own session.
Formula: calories per minute ≈ MET × 3.5 × body weight in kg ÷ 200.
Estimated burn
| Session | — |
| Calories / minute | — |
Calories by body weight
| Body weight | 30 minutes | 60 minutes | 90 minutes |
|---|---|---|---|
| 55 kg / 121 lb | 38 kcal | 75 kcal | 113 kcal |
| 70 kg / 154 lb | 48 kcal | 96 kcal | 143 kcal |
| 85 kg / 187 lb | 58 kcal | 116 kcal | 174 kcal |
| 100 kg / 220 lb | 68 kcal | 136 kcal | 205 kcal |
Calories by duration for a 70 kg person
| Duration | Estimated calories |
|---|---|
| 10 minutes | 16 kcal |
| 15 minutes | 24 kcal |
| 30 minutes | 48 kcal |
| 45 minutes | 72 kcal |
| 60 minutes | 96 kcal |
| 90 minutes | 143 kcal |
What changes the calorie burn?
Body weight, pace, technique, slope, resistance, rest time and fitness level can all change the real energy cost. MET values are averages, so the number is best used for planning rather than precision.
How to use Desk work in a weight-management plan
- Choose a frequency you can repeat consistently.
- Increase time, pace or resistance gradually.
- Do not automatically eat back every exercise calorie if fat loss is the goal.
- Use weekly trends in body weight, waist and fitness, not one workout number.
- Balance activity with sleep, recovery and enough protein.
Frequently asked questions
How many calories does desk work burn in 30 minutes?
For a 70 kg adult, desk work at about 1.3 METs burns roughly 48 calories in 30 minutes. Heavier bodies usually burn more and lighter bodies usually burn less.
How many calories does desk work burn in 60 minutes?
For a 70 kg adult, desk work burns roughly 96 calories in 60 minutes using the MET estimate.
Is desk work good for weight loss?
Desk work can support weight loss when it helps create a sustainable calorie deficit. Food intake, consistency, recovery and total weekly activity matter more than one session estimate.
Why are calorie-burn estimates different across watches and calculators?
Different tools use different assumptions for METs, heart rate, body size, efficiency and intensity. Treat every result as an estimate, not a precise measurement.
Related exercise tools
Method and sources
Estimates use standard MET-based calculations and the EKCal methodology. See Sources & Methodology. This page was last reviewed 2026-07-09.