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Reverse Diet Calculator

Build your week-by-week calorie roadmap to recover your metabolism after a diet — without gaining fat. Get a metabolic suppression estimate, fat gain risk score, and scale weight explainer.

Unit System
Gender
lbs
Height
ft
in

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Your Diet History

kcal

Unsure? TDEE Calculator →

kcal

Used to estimate fat gain risk and metabolic suppression depth.

Activity & Protocol

Weekly Calorie Increase

What Is a Reverse Diet?

A reverse diet is a structured nutrition protocol where you systematically increase calorie intake after a period of dieting (caloric restriction), with the goal of restoring your metabolic rate — or Total Daily Energy Expenditure (TDEE) — back to its pre-diet baseline without gaining significant body fat.

When you diet for an extended period, your body adapts by down-regulating energy expenditure. This is sometimes called metabolic adaptation or, colloquially, "metabolic damage." In reality, it is a normal, reversible biological response. The body reduces non-exercise activity thermogenesis (NEAT), slows thyroid output slightly, and becomes more metabolically efficient. A reverse diet calculator helps you undo this — methodically and safely.

Unlike jumping straight back to maintenance (which often triggers rapid fat regain), a structured reverse diet plan for weight loss maintenance adds only 50–200 calories per week, giving your metabolism time to "catch up" so it burns those extra calories rather than storing them.

How This Reverse Diet Calculator Works

Step 1 — Estimate Your True TDEE

Using Mifflin-St Jeor or Katch-McArdle (if body fat % is provided), we calculate your predicted maintenance calories at your current weight and activity level. This is what your metabolism should be burning.

Step 2 — Measure the Suppression Gap

The difference between your current intake (where you are) and your estimated TDEE (where you want to be) tells us how large the deficit gap is. Longer diets and deeper deficits create larger gaps.

Step 3 — Build the Weekly Roadmap

Based on your chosen increment (50–200 kcal/week), we generate a week-by-week reverse calorie calculator table showing your exact daily targets from start to full maintenance recovery.

Step 4 — Assess Fat Gain Risk

We score your plan as Low, Moderate, or High risk based on increment size, depth of deficit, and time spent dieting — directly answering the most common reverse dieting fear.

Reverse Dieting for Women vs Men

A reverse diet plan for females typically requires more conservative increments. Women have lower absolute TDEE values, meaning a 200 kcal/week increase represents a larger percentage change relative to maintenance. Research suggests women also experience stronger hormonal responses to caloric restriction — including more pronounced leptin suppression — making the reverse phase even more important after extended cuts.

For both sexes, the key principle is the same: increase calories more slowly than you think you need to. The scale will move up slightly in weeks 1–2 regardless — this is glycogen and water, not adipose tissue. Stay the course and trust the process.

Frequently Asked Questions

How long should reverse dieting take?
Reverse dieting typically takes 4 to 16 weeks, depending on how large your caloric deficit was and how aggressively you increase calories. A conservative approach adding 50 calories per week from a 500-calorie deficit takes roughly 10 weeks. A standard 100 kcal/week approach takes about 5 weeks. The longer you dieted and the deeper the deficit, the more gradual the reverse should be. Use our TDEE Calculator to establish your maintenance target.
How do I do reverse dieting?
To reverse diet: (1) Identify your current daily calorie intake at the end of your cut. (2) Determine your estimated maintenance TDEE. (3) Add 50–150 calories per week to your intake — typically from carbohydrates first — until you reach TDEE. (4) Keep protein at 0.7–1g per pound of body weight throughout to protect lean muscle. (5) Expect 1–3 lbs of scale increase in weeks 1–2 from glycogen and water — this is normal and not fat. (6) Monitor your weekly average weight; if gaining more than 0.5 lb/week of actual scale weight (accounting for water), drop your increment slightly.
How many calories for 70 kg?
A 70 kg person typically has a maintenance calorie intake (TDEE) between 1,800 and 2,600 calories per day, depending on age, biological sex, height, and activity level. A sedentary 70 kg female aged 30 at 165 cm may need approximately 1,800–2,000 kcal/day, while a moderately active 70 kg male aged 30 at 175 cm may need 2,200–2,500 kcal/day. These are estimates — for an exact figure, input your stats into our free TDEE Calculator.
What's the worst carb for belly fat?
Refined carbohydrates — especially added sugars, high-fructose corn syrup, sugary drinks, white bread, and ultra-processed snacks — are most strongly associated with increased visceral (belly) fat. These foods spike insulin rapidly, promote fat storage, and are highly palatable, making it easy to overconsume calories. During a reverse diet, prioritize complex carbohydrates like oats, white rice, sweet potatoes, and fruit. These restore glycogen without the inflammatory insulin spikes that drive fat accumulation around the abdomen.
What is an example of a reverse diet?
Example: After a 12-week cut, you're eating 1,500 calories/day and your estimated TDEE is 2,100 kcal. You start a 100 kcal/week reverse diet: Week 1 = 1,600 kcal, Week 2 = 1,700 kcal, Week 3 = 1,800 kcal, Week 4 = 1,900 kcal, Week 5 = 2,000 kcal, Week 6 = 2,100 kcal (maintenance reached). During this period, you maintain protein at 150g/day. Your scale weight rises 2 lbs in week 1 (glycogen + water), then stabilizes. By week 6 you're eating 600 more calories per day with minimal fat gain — that's a successful reverse diet.

Also Try These Free Calculators

Calorie Deficit Calculator

Plan your next cut phase with a safe, personalized deficit.

TDEE Calculator

Find your true maintenance calories — your reverse diet target.

Macro Calculator

Dial in your protein, carb, and fat targets at maintenance.

Cutting Calculator

Starting a new cut after your reverse? Build your cut plan here.