How much protein do I need a day? Common ranges

Protein is the nutrient people ask about most, and the answers online range from "not much" to "as much as possible". The truth sits in between and depends on you. Below are the ranges commonly cited, how to turn them into grams, and what changes them. This is general information, not medical advice.

Quick answer: how much protein do I need a day?

A commonly cited baseline for healthy adults is about 0.8 grams of protein per kilogram of body weight per day. People who are active, or who are building or keeping muscle, often aim higher, commonly 1.2 to 2.0 grams per kilogram. Your own number depends on your age, activity, health and goals, so treat any range as a starting point.

How to turn grams per kilogram into a daily number

The maths is one step: body weight in kg x grams per kg.

An illustrative example for a 70 kg person (numbers for illustration only):

• At 0.8 g/kg: 70 x 0.8 = 56 g a day
• At 1.2 g/kg: 70 x 1.2 = 84 g a day
• At 1.6 g/kg: 70 x 1.6 = 112 g a day
• At 2.0 g/kg: 70 x 2.0 = 140 g a day

If you think in pounds, divide your weight by 2.2 to get kilograms first. The protein calculator does this for you.

Commonly cited ranges by situation

These are general ranges, not instructions:

• General adults: around 0.8 g/kg is the commonly cited baseline.
• Regular exercisers: often 1.2 to 1.6 g/kg.
• Strength training or muscle gain: often 1.6 to 2.0 g/kg.
• Older adults: often discussed at 1.0 to 1.2 g/kg or more, because muscle becomes harder to maintain with age.
• Pregnancy, breastfeeding, kidney disease or other conditions: needs can differ a lot. Ask your care team.

Most of these ranges are written for body weight in a typical range. If you have a lot of weight to lose or gain, a dietitian can help you decide which weight to base it on.

What changes your protein needs

Activity and training

Hard training increases the demand for protein to repair and build muscle. Someone lifting weights several days a week often lands higher in the range than someone who walks and sits.

Age

As we get older, muscle tends to decline unless it's used and fed. That's one reason higher intakes are often discussed for older adults. A doctor or dietitian can help set a sensible number.

Calorie intake

When you eat less overall, protein can matter more, because it's one of the things you most want to keep. If your intake is lower for any reason, it's worth checking the protein in what you eat.

Medical conditions

Kidney problems, liver conditions and some other health issues can make high protein targets inappropriate. Don't raise your protein on the advice of a blog post. Check first.

A note on GLP-1 medications

If you take a GLP-1 medication, your appetite may be smaller and meals may be smaller, so protein can be easy to under-eat. Many people ask their care team about it for that reason.

The right target for you is a conversation for your prescriber or dietitian, not for an app or an article. Bring a few days of what you actually ate. We wrote a more detailed, practical post about logging on these medications: protein on GLP-1. Not medical advice, so talk to your care team.

How to spread protein through the day

Many people find it easier to spread protein across meals than to catch up at dinner. A common idea is to include a protein source at each meal and snack. You don't need to be strict about it.

Easy options:

• Breakfast: eggs, Greek yogurt, cottage cheese, tofu scramble
• Lunch: chicken, tuna, lentils, beans, a sandwich with a protein filling
• Dinner: fish, meat, tofu, tempeh, chickpea dishes
• Snacks: milk, kefir, a handful of nuts, edamame, a protein shake

Rough protein content varies by brand and portion, so check packs when you can. The numbers on food labels are themselves rounded.

Common protein mistakes

• Chasing a big number without a reason. More isn't automatically better.
• Forgetting plant sources. Beans, lentils, tofu, oats and nuts all add up.
• Counting only main meals. Snacks and drinks can add up.
• Assuming every product matches its label. Estimates are estimates.
• Ignoring the rest of the diet. Protein is one piece of overall nutrition.

Tracking protein without the fuss

If you want to know where your day lands, you need a record. The easiest one is the one you'll actually keep.

Ramen is a way to do that by typing. You write what you ate in plain words, for example 2 eggs scrambled in butter or greek yogurt 170g, berries, and calories and macros, including protein, appear beside each line, usually in about 2 seconds. Every number is an estimate, and a "~" shows when it's less sure. Tap a number and it tells you how it was worked out, so you can add detail if something looks off.

Ramen works out targets from your goal, body and activity, and it never rewrites your words. There are no red numbers or streaks. Our protein tracker app page has more on how that looks day to day.

A simple way to check your own intake

1. Estimate your range using the grams-per-kilogram figures above or the protein calculator.
2. Write down a typical few days without changing anything.
3. Compare the two. Are you well under, near, or above?
4. Make one small change, like adding a protein source at breakfast.
5. Talk to your care team if you're unsure, or if a health condition or medication is involved.

Try typing your protein

If you'd like protein to appear next to each food without searching a database, Ramen is coming soon to iPhone. Join the waitlist and we'll send you one email when it's out.