The formula that ends the confusion
Forget the 14-input online calculators. Here's the one you'll actually use:
Maintenance calories = bodyweight (lb) x your activity number
| Activity level | Multiplier | Who this is |
|---|---|---|
| Sedentary (desk job, little movement) | 14 | Gaming, studying, few steps |
| Lightly active (training 3–4x/wk, some walking) | 15 | Most lifters reading this |
| Very active (training 5–6x/wk, on your feet, sports) | 16 | Athletes, manual jobs, high steps |
Example: A 170 lb guy who lifts 4x a week and walks a bit -> 170 x 15 = 2,550 calories to maintain.
That's your starting estimate. It will not be perfect — nobody's is. The formula gets you in the right zip code; the scale tells you the exact address.
The honest part: the formula is a hypothesis
Your real maintenance is whatever holds your weight stable over time. Here's how to confirm it:
- Eat your estimated maintenance number for 10–14 days, hitting it within ~100 calories daily.
- Weigh yourself every morning, same conditions: after the bathroom, before food/water, naked or same clothes.
- Take the average of each week (not single days — daily weight bounces 2–4 lbs from water, salt, and food in transit).
- Compare week 1 average to week 2 average:
- Stable (+/-0.5 lb) -> that's your maintenance. Lock it in.
- Went up -> real maintenance is lower; drop ~150 cal.
- Went down -> real maintenance is higher; add ~150 cal.
The daily scale is noise. The weekly average trend is signal. Never make decisions off one weigh-in.
Why steps matter as much as the gym
Your workout burns less than you think — maybe 200–400 calories. Your daily movement (NEAT) burns far more across the whole day. A guy at 10,000 steps vs 3,000 steps can have a 300–500 calorie difference in maintenance. That's the difference between leaning out and stalling.
This is why the activity multiplier accounts for lifestyle, not just training. If you sit all day and lift for 45 minutes, you're closer to a 14 than you think.
Set your step floor
Pick a daily step minimum now and treat it like a workout you can't skip:
- Beginner / desk-bound: 7,000 steps
- Intermediate: 8,000–10,000 steps
- Lean-out mode: 10,000+ steps
Steps are the cheat code most guys ignore. They burn fat without making you hungry the way hard cardio does, and they're sustainable for life.