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Meal Timing Calculator

Reviewed by Andrew Menechian, Head of Fitness, FitCommit

Plan protein, carbs, and fat across your day. Pick your meal count and training time, and the calculator shifts carbs around your workout and protein into your post workout meal.

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Lifting, resistance training

Enter your daily macros and training time above to see your meal plan.

Does Meal Timing Matter?

Total daily calories and protein are the main drivers of body composition. Studies comparing 3 meals to 6 meals at matched calories show no meaningful difference in fat loss, muscle gain, or metabolic rate. If you only remember one thing, remember that.

Timing still has a role. Distributing protein across 3 to 5 meals with 20 to 40g each maximizes daily muscle protein synthesis. Placing more carbs around training can improve performance and recovery. But these are small optimizations on top of a solid daily total, not replacements for one.

Pre-Workout Nutrition

Eating 1 to 2 hours before training tops up glycogen and gives you amino acids in circulation for the session. For strength training, a meal with 30 to 50g of carbs and 20 to 30g of protein is a reliable setup. For short, low intensity sessions, you can skip the pre workout meal without losing much.

  • Keep fat moderate pre workout. High fat meals slow digestion and can leave you sluggish.
  • Simple carbs work well 30 to 60 minutes before training. Complex carbs need 2 to 3 hours.
  • If you train fasted and feel fine, you are not leaving major gains on the table. Total daily intake still rules.

Post-Workout Nutrition

The post workout meal is the most forgiving window in the day to eat bigger carbs. Glycogen uptake is elevated, insulin sensitivity is high, and protein synthesis is primed for several hours. A meal with 30 to 50g of protein and 50 to 100g of carbs works for most strength athletes.

You do not need to eat within 30 minutes of finishing your set. A 1 to 2 hour window after training is practical and still captures the benefit. If you ate a protein meal 1 to 2 hours before lifting, your post workout urgency drops even further.

The Anabolic Window Myth

The old 30 minute anabolic window was oversold by supplement marketing. Current research places the post workout protein window closer to 2 to 4 hours wide, and longer when you had a protein-rich pre workout meal.

Practical takeaway: get a protein-containing meal within a couple hours of training. Do not skip your next meal because you missed the 30 minute mark. The fridge does not know what time you squatted.

Andrew Menechian, Head of Fitness, FitCommit

Reviewed by Andrew Menechian, Head of Fitness, FitCommit

Andrew reviews FitCommit's calorie, macro, and body-composition methodology. His background includes 12+ years in fitness, PN1, PNC 1&2, Poliquin PICP 1&2, bodybuilding, powerlifting, and coaching education.

Frequently Asked Questions

How many meals should I eat per day?

Most people do well with 3 to 5 meals per day. The exact number matters less than total daily calories and protein. Pick the frequency that fits your schedule and keeps you full. If you train hard, 4 to 5 meals spread across the day makes it easier to hit 30 to 40g of protein per meal without force feeding.

Does meal frequency actually matter for fat loss or muscle gain?

Total daily calories and protein drive results. Studies comparing 3 meals vs 6 meals at matched calories show no meaningful difference in fat loss or metabolic rate. Frequency is a tool for appetite control and protein distribution, not a magic lever. Pick what you can stick with.

Can I do intermittent fasting and still hit my macros?

Yes. An 8 hour eating window with 3 larger meals hits the same daily targets as 5 smaller meals. The main tradeoff is that each meal has more volume, which some people find uncomfortable. Protein distribution suffers slightly compared to spreading across 4 to 5 meals, but total daily protein still matters most.

When is the best time to eat protein?

Spread protein across 3 to 5 meals with at least 20 to 40g per meal. Eating protein within 2 hours after training supports recovery, and a protein-rich meal before bed can help overnight muscle protein synthesis. Total daily protein is still the biggest lever.

Should I eat carbs before or after my workout?

Both help, but post workout is where carbs do the most work. Carbs before training top up glycogen and can improve performance on long or high intensity sessions. Post workout carbs refill glycogen faster and, combined with protein, support recovery. If you train fasted and feel fine, you do not need pre workout carbs.

Is eating before bed bad for fat loss?

No, late night eating does not cause fat gain on its own. If your total daily calories are in a deficit, you lose fat regardless of when you eat. A protein-rich snack before bed (20 to 40g casein or Greek yogurt) can actually support overnight muscle recovery. The problem with late eating is usually mindless snacking, not the clock.

What are the pros and cons of fasted training?

Pros: simpler schedule, may slightly increase fat oxidation during cardio, works well for early morning workouts. Cons: reduced performance on heavy strength or long endurance sessions, higher risk of muscle breakdown if protein intake is low. For most strength athletes, a small pre workout meal with protein and carbs outperforms fasted training.

Does the anabolic window really exist?

The old rule of eating protein within 30 minutes of training was overstated. Research shows the post workout protein window is closer to 2 to 4 hours wide. If you ate a meal with protein 1 to 2 hours before training, you already have amino acids circulating. Just get a protein-containing meal in within a couple hours after the session.

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