How Much Protein to Gain Weight: Bulking Protein Guide
How many grams of protein per kilogram of body weight you need to gain weight — and how to gain muscle rather than just fat during a bulking phase.
Gaining weight sounds easy — eat more. But gaining weight well means the extra calories build muscle, not just fat. Protein is the nutrient that decides which one happens. Here’s how much you need and how to hit it in a calorie surplus.
The recommended range for weight gain
For a bulking phase, most sports nutrition guidance recommends 1.6–2.2 g of protein per kilogram of body weight per day. That’s slightly above the maintenance recommendation because your body is building new tissue and recovering from harder training.
What that means in grams
| Body weight | Protein per day (1.6–2.2 g/kg) |
|---|---|
| 60 kg | 96–132 g |
| 70 kg | 112–154 g |
| 80 kg | 128–176 g |
| 90 kg | 144–198 g |
How to gain weight without gaining fat
A calorie surplus alone — even a big one — doesn’t guarantee muscle. These four habits do:
- Keep protein high (1.6–2.2 g/kg). This ensures the surplus energy is used for muscle repair and growth.
- Keep the surplus modest. 200–400 calories above maintenance is enough; an aggressive bulk adds mostly fat.
- Spread protein across 3–5 meals. Aim for 20–40 g per meal, roughly 0.4 g/kg, to keep muscle protein synthesis active all day.
- Train progressively. Without a training stimulus, extra protein has nowhere to go. Progressive overload is the signal to grow.
Best protein foods for weight gain
During a bulk you want high protein and calorie-dense foods — the opposite of a cutting list:
- Chicken breast and thighs — ~27–31 g per 100 g.
- Eggs — 6 g each, easy to add to any meal.
- Whole milk and Greek yogurt — protein plus calories that are easy to drink down.
- Oats and bananas with whey protein — a calorie-dense, high-protein meal base.
- Lean beef and salmon — 20–26 g per 100 g with extra calories and fats.
Get your exact bulking target
Your ideal number depends on your body weight and how long you’ve been training. The protein calculator for weight gain applies the 1.6–2.2 g/kg range to your own body data and gives you a personal target plus a healthy range. Pair it with the meal planner to build a bulk-friendly day of meals.