Get the higher calories a hardgainer needs.
Estimates are for general guidance only and are not medical advice. For a personalised plan, book a free guided tour at RPM Gym.
If you train consistently but still struggle to gain muscle or weight, this calculator gives you a calorie target built for that problem. It's aimed at people with a naturally fast metabolism or who find it hard to put on mass. Enter your biological sex, age, weight, height and activity level to get a daily calorie target, plus a protein range, that reflects your metabolic needs.
The result is your starting daily intake for building muscle as a hardgainer: an estimate of the calories needed to support muscle growth and recovery, based on your inputs. It sits above your maintenance calories, because gaining weight takes a surplus. Eating more matters, but so does eating enough of the right foods.
Hit the target day after day and pair it with a structured strength program that adds load over time. Check your progress weekly: if you're gaining 0.5-1 pound (0.2-0.45 kg) per week, your intake is on track. If not, consider a slight increase in calories. Gaining muscle as a hardgainer takes patience and a deliberate approach to both food and training.
Someone who finds it hard to gain muscle mass and weight, often because of a naturally high metabolism or genetics. Hardgainers usually need more calories than average to make real progress in building muscle.
It gives a sound estimate from established formulas and your own data. Metabolic rates vary from person to person, so treat it as a starting point and adjust based on how your body responds.
Calories come first for a hardgainer, but where they come from matters too. Build your meals around nutrient-dense foods, with enough protein for muscle repair and growth, complex carbohydrates for energy and healthy fats for overall health.
Eat to it every day, and track your food for a few weeks to check you're actually hitting the number. Pair it with a consistent, challenging strength program, and review your weight and strength each week, making small calorie adjustments as needed.
Yes. Bring your calorie and protein targets to a free guided tour or a coaching conversation, and a coach can help pair them with a realistic training plan and practical ways to eat enough.
Book a free guided tour at RPM Gym Abu Dhabi and turn your targets into a real plan.