Peak Form Digital
Peak Form Digital
Peak Form digital

Your Comprehensive Guide to Macros and Calories

Understanding macros and calories is absolutely crucial when trying to build your physique. This guide breaks down how calories and macros affect your body, how to set your targets based on your goal, and the best foods to hit those numbers consistently.

Contents
  1. 01What calories actually do
  2. 02The Three Macronutrients
  3. 03Macro targets by goal
  4. 04Best foods for each macro
  5. 05How to set up your day
01

What calories actually do

A calorie is a unit of energy. Everything you eat contains energy, and your body uses it to stay alive, move, think, and build muscle. The number of calories you eat relative to the number you burn is your energy balance — the most important variable in body composition. When you eat the exact number of calories you need to maintain a state of energy balance, this number is your maintenance calories. This number is unique to you and your lifestyle because it's affected by factors such as your bodyweight, amount of lean tissue, activity level, etc. Anything above that number is a caloric surplus and anything below is a caloric deficit.

Your body burns calories four ways: keeping you alive at rest (basal metabolic rate/BMR), general activity not part of an exercise routine such as walking or fidgeting (non-exercise activity thermogenesis/NEAT), digesting food (thermic effect of food/TEF), and physical activity (exercise activity thermogenesis/EAT). The sum is your TDEE (total daily energy expenditure) — the baseline you need before setting any target calorie consumption number. You can find this number by using a TDEE calculator online or DM me on Instagram @vfishlifts for a free consultation.

Key principle: Eat below your TDEE and you lose weight (caloric deficit). Eat above it and you gain (caloric surplus). Eat at it and you maintain. Everything else works on top of this principle.
Where your TDEE goes (example: 2,500 cal/day)
Basal Metabolic Rate (BMR)70%
Non-Exercise Activity Thermogenesis (NEAT)15%
Thermic Effect of Food (TEF)10%
Exercise Activity Thermogenesis (EAT)5%
02

The Three Macronutrients

Calories come from three macronutrients: protein, carbohydrates, and fat. Each gram contains a set number of calories, and each plays a different role in how your body looks and performs.

Protein
4 cal/g
Builds and repairs muscle tissue. The most important macro for muscle protein synthesis. Also the most satiating — keeps you full longer. The TEF of protein is higher, meaning it takes more calories to digest than other macronutrients.
Carbohydrates
4 cal/g
Your body's preferred fuel source. Powers workouts, supports brain function, and replenishes muscle glycogen after training. Without carbs, your energy levels during training will suffer.
Fat
9 cal/g
Essential for hormone production (including testosterone), joint health, and absorbing fat-soluble vitamins. Never eliminate fat entirely, just be aware of its higher calories per gram compared to the other macronutrients.

For muscle building: Protein is non-negotiable. Carbs fuel workouts and recovery. Fat keeps hormones functioning. All three matter — the key is eating the right quantity of each.
03

Macro targets by goal

Your macro split depends entirely on your goal. The numbers below use a 180 lb male as reference. Use the per-pound guidelines in each panel to adjust for your own weight. Aim to hit these macro goals every day.

Daily targets · 180 lb male · Muscle gain
171-198g
Protein
270-360g
Carbs
63-85g
Fat
Approx. 2,700 calories — ~200-250 cal above TDEE. 0.95-1.1g protein per lb, 1.5-2g carbs, 0.35-0.45g fat.

A modest caloric surplus lets your body build muscle without excessive fat gain. Don't gain more than 0.5 lbs per week to stay lean. Protein stays high to maximize muscle protein synthesis. High carbs support training intensity and recovery.

Daily targets · 180 lb male · Fat loss
162-180g
Protein
252-270g
Carbs
54g
Fat
Approx. 2,250 calories — ~250 cal below TDEE. 0.9-1g protein per lb, 1.4-1.5g carbs, 0.3g fat.

The biggest cutting mistake is dropping carbs too low. This tanks energy and hurts training intensity. Fats drop in the deficit while protein and carbs stay relatively high to aid muscle retention.

Daily targets · 180 lb male · Recomp
180g
Protein
288g
Carbs
54g
Fat
Approx. 2,350 calories — ~150 cal below TDEE. 1g protein per lb, 1.6g carbs, 0.3g fats.

Losing fat and gaining muscle simultaneously is possible but slow. Works best for newer lifters, skinny fat individuals, or people returning after time off. High protein and consistent training will shift your body composition significantly.

Daily targets · 180 lb male · Maintenance
162-180g
Protein
288-315g
Carbs
54-72g
Fat
Approx. 2,500 calories — Matched to your TDEE. 0.9-1g protein per lb, 1.6-1.75g carbs, 0.3-0.4g fat.

Maintenance consolidates progress, allows recovery, and builds long-term habits. Eating at maintenance while consistently hitting macro goals and training effectively slowly improves body composition over time.

04

Best foods for each macro

Ranked by how efficiently they help you hit your targets — high macro content relative to calories, minimal processing, and practical to actually eat. Whole foods will always be your friend when it comes to meeting these standards.

Protein sources
FoodServingProteinCalNotes
Chicken breast6 oz50g280Lean, cheap, versatile — the gold standard
93% lean beef6 oz38g260Good fat profile, slightly higher calorie
Egg whites1 cup26g125Almost pure protein, very low fat
Greek yogurt (0%)1 cup24g130Easy snack, great for hitting daily targets
Cottage cheese (1%)1 cup28g160Slow-digesting casein — good before bed
Canned tuna1 can30g140Highest protein-to-calorie ratio available
Salmon6 oz40g350High protein + omega-3s, higher calorie
Whey protein1 scoop25g130Best when whole food is not an option
Carbohydrate sources
FoodServingCarbsCalNotes
White rice1 cup cooked45g205Easily digestible — ideal around workouts
Oats1/2 cup dry27g150Slow-release energy, high fiber, filling
Sweet potato1 medium26g115Micronutrient-dense, great for meal prep
Banana1 large31g120Fast carbs — perfect pre/post workout
Sourdough bread2 slices38g190Better glycemic profile than white bread
Berries/apples1 cup15-25g65-90Fiber + micronutrients — do not overthink fruit
Fat sources
FoodServingFatCalNotes
Avocado1/2 medium12g115Monounsaturated fats, great for hormones
Olive oil1 tbsp14g120Adds up fast — measure, do not pour
Whole eggs2 large10g140Also ~12g protein — one of the most complete foods
Almonds/mixed nuts1 oz14g165Easy portable snack, calorie-dense — portion carefully
Nut butter2 tbsp16g190Easy to overeat — always track it
05

How to set up your day

Knowing your targets is step one. Building a day that reliably hits them is step two. Most people fail because they plan perfectly instead of building a simple repeatable structure. The more you enjoy your diet, the easier it will be to stick to it, so learn how to make it as enjoyable as possible.

1

Calculate your TDEE

Use any TDEE calculator online. Input your weight, height, age, and activity level. Your maintenance is unique to you — no calculator is 100% accurate, so pay attention to how your body responds.

2

Set your calorie target based on goal

Muscle gain: add 200-250 cal. Fat loss: subtract 200-400 cal. Recomp: stay within 150 cal of maintenance. Start conservative — adjust after 2 weeks if you're gaining or losing too fast.

3

Set your macro split

Target 0.8-1.1g protein per pound of bodyweight. Non-negotiable regardless of goal. Fill remaining calories with carbs and fat based on your physique goals. Adjust when your goals change.

4

Build 2-3 default meals you repeat

Consistency beats variety. Find meals that hit your numbers, taste good, and are simple to prepare. Rotate them. Add variety to avoid diet fatigue.

5

Track for at least 1-2 months

Use MyFitnessPal or Cronometer. Log everything including oils and sauces. After 1-2 months you'll have enough intuition to stop tracking most of the time — but stay conscious of what you're eating.

The 80% rule: Your diet is just as important as your training. Hit your macro targets at least 80% of the time, and you'll be unrecognizable in 6 months. Consistency is the key to getting you exactly where you want to be.

Contact Me

For any additional questions, DM me on Instagram @vfishlifts.
I'll be happy to answer any questions and get you on track to get to your peak physique.
You can also find a ton of free fitness and nutrition advice on my YouTube. Both pages are linked below.