17 Fit

17 Fit Protein calculator

Protein calculator how much protein you need a day

Enter your weight and goal to see your daily protein, how to split it across meals and what it looks like in real food. The same numbers 17 Fit plans with.

Goal
Meals a day

Your protein a day

140 g a day

2 g per kilo of body weight

Per meal
35 g × 4

The whole day’s protein from one food

Only to picture the amount: a real day mixes several sources.

140 g of protein a day, 35 g per meal.

Protein is the easiest macro to fall short on. 17 Fit shows protein in every meal and what’s left for the day, so you can top it up at dinner instead of finding out at night.

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How much protein you need

Grams per kilo of body weight, by goal — as 17 Fit sets them. In a deficit protein goes up: it helps keep muscle while the weight comes down.

GoalPer kgAt 70 kg
Lose weight2 g140 g
Tone up2.2 g154 g
Stay in shape1.6 g112 g
Build muscle1.8 g126 g

Foods richest in protein

Per 100 g, and per 100 kcal — the second shows how much protein you get for the calories.

FoodProtein per 100 gPer 100 kcal
Whey protein80 g20 g
Parmesan35.8 g9.1 g
Bacon33.9 g7.2 g
Pumpkin seeds30.2 g5.4 g
Roast chicken27.3 g11.4 g
Peanuts25.8 g4.6 g
Tuna25.5 g22 g
Peanut butter25 g4.3 g
Gouda25 g7 g
Edam25 g7 g
Sardines24.6 g11.8 g
Mozzarella24.3 g9.6 g
Cheddar24.2 g5.9 g
Turkey breast23.7 g20.8 g
Split peas23.1 g6.4 g

Questions and answers

Food calories

How much protein do I need to lose weight?

About 2 g per kilo of body weight a day — more than for maintenance, so the weight comes off as fat rather than muscle. At 70 kg that’s 140 g, split across three or four meals.

Do women need less protein than men?

Not per kilo: the need follows body weight and goal, not sex. A lighter person simply gets a smaller number.

Can too much protein be harmful?

For healthy adults, up to about 2 g per kilo is common in sports nutrition. With kidney disease, protein should be agreed with a doctor.

Does plant protein count?

Yes: beans, lentils, tofu, grains and nuts all add to the day’s total. Plant foods bring less protein per calorie, so it helps to mix sources.

Why split protein across meals?

Several meals of 25–⁠40 g are easier to eat than one huge portion, and they keep you fuller through the day.

How many calories does protein have?

4 kcal a gram, the same as carbs. 140 g of protein is 560 kcal of your day.

17 Fit

Protein you can see, meal by meal

17 Fit counts the macros of every meal from a photo or a sentence and shows how much protein is still to go.

  • Protein, fat and carbs in every meal
  • A plan that adjusts to your weight every week
  • Free food diary, no sign-up and no ads
Download on the App Store
Profile screen in 17 Fit: the goal and the calorie and macro plan