Rock Climbing calories by weight & duration

Body weight15 min30 min45 min60 min
125 lb113227340454
150 lb136272408544
175 lb159318476635
200 lb181363544726
225 lb204408612816

The roughly 562 calories per hour figure is an estimate for a 155 lb person climbing at a consistent moderate effort, and your actual number will be higher or lower based on your weight, the routes you choose, and how much of that hour you spend on the wall versus resting. Log your sessions in the Mariposas app to track how your output changes as your climbing time per session increases.

Calculated as MET (8) × body weight (kg) × hours. How this works.

What to expect in a rock climbing class

A first session at most gyms starts with a brief orientation covering harness fitting, belay basics or auto-belay device use, and how the color-coded route system works. After that you are largely on the wall, working routes rated for beginners and learning to trust your feet more than your grip. Expect your forearms to pump out faster than your legs get tired, and expect to rest more than you climb at first as your tendons and fingers adapt to loads they have never experienced. The pace is self-directed, which is unusual for a fitness class but keeps the focus on technique rather than just grinding through reps.

Tips for your first rock climbing class

  • Trust your feet more than your arms. Beginners instinctively grab harder when they feel insecure, but your legs are far stronger than your forearms. Focus on pressing through your feet and keeping your hips close to the wall.
  • Shake out early and often. Once your forearms pump out fully, recovery on the wall is nearly impossible. Drop one arm at a time and hang it below your heart to flush the blood back before the burn gets unmanageable.
  • Look at the next hold before you move. Climbers who stare at their hands tend to make reactive, clumsy moves. Scan two or three holds ahead and plan your body position before committing to a move.
  • Wear snug but not painful shoes if the gym rents them. Rental shoes tend to run large, so ask for a half size down from your street shoe. A sloppy fit makes precise footwork much harder and slows down skill development considerably.

What affects how many calories rock climbing burns

The MET of 8 reflects moderate-to-vigorous effort, but actual output swings widely depending on how much of the hour you spend actively climbing versus resting on the ground studying a route. Heavier climbers pull more total weight up the wall on every move, so calorie burn scales upward with body weight, while difficulty and route angle (slab versus vertical versus overhang) also raise the metabolic demand significantly. Trying harder routes, spending less time standing around, and working on steep overhanging terrain will all push your hourly burn toward the higher end of the range.

Three things move your number most: body weight (a heavier body burns more for the same activity, that's why the table runs from 125 to 225 lb), duration (calories scale with time), and intensity. A rock climbing you push hard burns more than an easy one, because effort is what the MET value of 8 represents, an average for this activity. Your fitness level and how much you rest between efforts shift it too, so treat these as a solid estimate rather than an exact count.

How we calculate rock climbing calories

Every number here uses the standard energy-expenditure formula: calories ≈ MET × body weight (kg) × time (hours). The MET value of 8 for rock climbing comes from the published Compendium of Physical Activities, the same reference researchers and fitness trackers use. We convert your weight to kilograms and multiply through, no fudge factors. See our methodology for the full formula and sources.

⚕️ A general-information estimate from population-level formulas, a starting point, not a precise measurement and not medical advice.

Track your rock climbing & calories Mariposas logs time and calories automatically · collect a cute pet 🐾