Running a load of laundry might not feel like exercise, but between carrying baskets, folding, bending, and loading the machine, a 20-minute session can add up to more calories than you'd expect. This laundry calories per 20 minutes calculator estimates your energy burn using your body weight and the specific task you're doing, based on standard MET values used in exercise science.
It's designed for anyone curious about the gentle movement hidden in everyday chores — whether you're tracking daily activity, working on a standing-and-moving habit, or simply want to appreciate the physical effort behind clean clothes. Just enter your weight, choose the task that matches your laundry routine, and the calculator will give you a per-minute and total calorie estimate, complete with the math behind it.
🧺 Laundry Calories Burned per 20 Minutes
Estimate how many calories you burn while doing laundry tasks based on your weight and the intensity of the chore.
How to Use This Tool
Enter your body weight and choose the laundry task that best matches what you're doing, then press Calculate. The default session is 20 minutes, but you can adjust the session length to reflect a longer decluttering or laundry day. The result area shows your total calories burned, the calories you'd burn in a standard 20-minute block, and a step-by-step breakdown so you can see exactly how the estimate is built.
How It Works
This calculator uses the metabolic equivalent of task (MET) method, the same approach used in many fitness trackers and exercise physiology studies. One MET is the energy you use at rest. Each activity is assigned a MET value that represents how many times the resting rate you burn energy while doing that activity.
The formula is:
Calories per minute = MET × 3.5 × body weight (kg) / 200
For a 20-minute session, you simply multiply the per-minute value by 20. The factor 3.5 represents oxygen consumption in mL per kg per minute for a resting adult, and 200 converts the estimate from milliliters of oxygen to kilocalories. Body weight is converted from pounds to kilograms when needed, because the MET formula uses metric units. A heavier person burns more calories for the same task, and an activity with a higher MET value — like hand-washing and scrubbing — burns more than gentle folding. To put the numbers in context, a moderate laundry task at MET 3.5 for 20 minutes is roughly comparable to walking at an easy pace for the same amount of time.
Worked Examples
Example 1: A 150 lb person carries laundry baskets for 20 minutes (MET 3.5). Weight in kg = 150 ÷ 2.20462 ≈ 68.0 kg. Calories per minute = 3.5 × 3.5 × 68.0 ÷ 200 ≈ 4.16 kcal/min. Total for 20 minutes ≈ 83 kcal.
Example 2: A 180 lb person folds and sorts clothes for 20 minutes (MET 2.3). Weight in kg ≈ 81.6 kg. Calories per minute = 2.3 × 3.5 × 81.6 ÷ 200 ≈ 3.29 kcal/min. Total ≈ 66 kcal. The same person would burn about 112 kcal if they were hand-washing and scrubbing (MET 4.0) instead.
Standard MET Values for Laundry Tasks
The table below shows the MET values used in this calculator, based on estimates consistent with the Compendium of Physical Activities.
| Task | Intensity | MET |
|---|---|---|
| Folding & sorting clothes | Light | 2.3 |
| Loading / unloading washer & dryer | Light | 2.5 |
| Hanging clothes on the line | Moderate | 3.0 |
| Carrying laundry baskets | Moderate | 3.5 |
| Hand-washing & scrubbing | Vigorous | 4.0 |
| Wringing & lifting heavy loads | Vigorous | 4.5 |
These values are estimates. Your real-world energy expenditure depends on your fitness level, how efficiently you move, and the actual resistance involved in lifting heavy baskets or bending to pick up clothes.
Common Mistakes to Avoid
- Entering weight in kg but leaving the unit set to lb. This will roughly double your calorie estimate. Always check the unit selector.
- Choosing only the lightest task. Most laundry sessions include a mix of carrying, bending, and reaching, so a moderate MET value (3.0–3.5) is often more realistic than 2.3.
- Adding an extra "effort multiplier" on top of the calculator. The MET value already accounts for task intensity; multiplying it again will overestimate your burn.
- Expecting precise accuracy. No formula can perfectly predict calories burned for a specific person. Use this as a helpful planning number, not a laboratory measurement.
Frequently Asked Questions
Is laundry really a workout?
Laundry may not feel like cardio, but it's genuine movement, especially when you're carrying heavy loads, bending, reaching, and standing for extended periods. This kind of non-exercise activity thermogenesis (NEAT) adds up during the day. For someone who spends an hour doing active laundry, the calories burned can be comparable to a short, easy walk.
Can I count laundry calories toward my weight-loss goals?
Yes, but treat the estimate as an approximation. Fitness trackers often use the same MET formula, so you can log this number as light household activity. Just remember that calorie burn is only one part of energy balance — meals, overall daily movement, and sleep also matter.
Does the calculator work for older adults or people with limited mobility?
Yes. You can use the light-intensity tasks (MET 2.3–2.5) to estimate a more conservative calorie burn. If you find laundry fatiguing, take breaks and keep sessions short. The duration field lets you model shorter bursts, such as 10 or 15 minutes.
Want more ways to track gentle daily movement? See the cleaning calories calculator for other household chores, or explore low-intensity calorie estimates for activities like yoga, stretching, and easy walking.