Physiq: Macro Calculator

Maintenance Macros for a 140 lb Male (Standard)

If you are a 140-pound man (64 kg) looking to maintain weight using standard, your starting daily target is 2401 calories.

112gm protein · 369gm carbs · 53gm fat

These match your estimated maintenance (TDEE: 2405 cal/day). Use the pre-filled calculator below to adjust for your exact height, age, and activity level.

Who This Is For

140-pound mans pursuing maintenance with a standard macro approach.

Macro Rationale

A measured deficit of 4 calories below your estimated 2405-calorie TDEE is enough to drive consistent fat loss without triggering aggressive muscle breakdown. Protein is elevated specifically to counter the muscle-loss risk that comes with calorie restriction — it is the most important macro to protect during a cut.

Standard macros provide a structured split aligned with your goal and activity demands.

Daily Target Calories

2401cal/day
Target2401

Your macros are based on your body stats, goal, and activity level. Your eating style changes the foods and meal suggestions, and keto/carnivore also adjust carb intake.

Moderate Protein / High Carb / Moderate Fat

Daily Target Macros

112gm

Protein

112gm

369gm

Carbs

369gm

53gm

Fat

53gm

Protein: 112gm (0.8gm per lb body weight)

How we calculated this

Calories are based on BMR (1603) × activity for a TDEE of 2405, then adjusted by 0% for your goal.

Protein uses total body weight because body fat % was not provided.

Fat starts at 0.30g per lb body weight and generally stays above 20% of calories.

Carbs fill the calories remaining after protein and fat are set.

Standard uses the algorithm output as-is.

Sample Meal Plan

Breakfast

  • Scrambled Eggs (3) — 3 large (~150g)213 cal · P18 C2 F15
  • Avocado Toast — 1 slice200 cal · P5 C20 F12
  • Tofu Scramble — 6 oz (~170g)170 cal · P18 C4 F10
Total: 583 cal · 41g P · 26g C · 37g F

Lunch

  • Salmon Fillet — 6 oz (~170g)306 cal · P36 C0 F18
  • Strip Steak — 6 oz (~170g)286 cal · P40 C0 F14
  • Pork Chop — 6 oz (~170g)252 cal · P36 C0 F12
Total: 844 cal · 112g P · 0g C · 44g F

Dinner

  • Ribeye Steak — 8 oz (~227g)440 cal · P46 C0 F28
  • Salmon Fillet — 6 oz (~170g)306 cal · P36 C0 F18
Total: 746 cal · 82g P · 0g C · 46g F

Snack

  • Peanut Butter — 2 tbsp (~32g)190 cal · P8 C6 F16
  • Apple — 1 medium (~182g)95 cal · P0 C25 F0
Total: 285 cal · 8g P · 31g C · 16g F

Estimates. Not medical advice. Adjust portions to fit your exact targets.

Adjust Your Macros

Pre-filled for this profile. Change any value and recalculate from the same macro engine.

Body Stats

If you know your body fat %, we can calculate more accurate macros.

Goal

Your goal affects calories and macro targets.

Activity Level

Your activity level affects calories, protein needs, and carb needs.

Eating Style

Your eating style affects meal suggestions and food choices. Keto and carnivore also adjust macro distribution.

Dietary Restrictions & Preferences

These help us avoid foods that do not fit your needs.

Adjustment Notes

  • • Hold your targets for at least 2 full weeks before making changes — short-term weight fluctuations are water and digestion, not fat or muscle.
  • • Adjust calories in 100–150 calorie increments, not large jumps. Small changes compound without disrupting adherence.
  • • Recalculate every 10–15 lb of bodyweight change or every 6–8 weeks.
  • • If scale weight trends consistently up or down over 3+ weeks, recalculate — your true maintenance has shifted.
  • • Current maintenance estimate: 2401 cal/day. Adjust by ±100 calories based on trend.

Frequently Asked Questions

How many calories should a 140 lb man eat to maintain weight?

A 140 lb man at moderate activity needs approximately 2401 calories per day to maintain bodyweight. This estimate comes from the Mifflin-St Jeor equation applied at a moderate activity multiplier (1.55). Your real maintenance may be 100–150 calories above or below this depending on individual metabolism and true daily activity — track your scale trend for 2 weeks to confirm.

How much protein should a 140 lb man eat per day?

At 140 lb, a daily target of 112gm of protein (0.80g per lb bodyweight) supports body composition goals whether cutting, building, or maintaining. Protein has a higher thermic effect than carbs or fats, keeps hunger lower than either, and directly determines how much muscle your body can build or retain. Distribute across 3–5 meals for best use — a single large protein serving has diminishing returns compared to spread intake.

How does a 140 lb man know if 2401 calories is their true maintenance?

If your scale weight is stable within 1–2 lbs over 3+ weeks at 2401 calories, you have found your maintenance. If weight trends downward consistently, add 100–150 calories. If it trends upward, reduce by 100–150 calories. Formulas like Mifflin-St Jeor give a close estimate, but actual maintenance is individual and can vary ±10% from calculated values based on NEAT (non-exercise activity thermogenesis) and metabolic rate differences.

How does a standard approach differ for a 140 lb man?

A standard split at 140 lb adjusts the carb-to-fat ratio to align with your dietary preferences and activity. The overall calorie target (2401) and protein floor (112gm) remain the primary drivers of results — strategy primarily determines how those calories are distributed, which affects food choices and adherence.

What should a 140 lb man know about adjusting macros at a lower body weight?

At 140 lb, total calorie targets are lower, which means every macro gram matters more. Protein is the priority to protect — at 112gm, you are targeting 0.80g per lb, which leaves little room to reduce protein without consequences for muscle retention. If you need to reduce total calories, trim from carbs or fats, not protein. The lower absolute calorie target also means tracking accuracy is more important: a 200-calorie tracking error represents a larger percentage of total intake at 2401 calories than it would at 2,800+.

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