Energy and macro planning

TDEE, Macro & Calorie Deficit Calculator

Estimate daily energy needs, apply a deficit or surplus, and divide the result into protein, carbohydrate, and fat targets.

Enter your details

Build your calorie target

Start with body size and activity, then choose the phase you are actually running.

Checking for saved stats on this device…

Moderate fat loss

A moderate deficit is usually large enough to create progress while leaving more room for training, protein, and consistency.

Your calorie and macro estimate will appear here.

Complete every visible measurement, then calculate.

Method

How this calculator works

TDEE = BMR x activity multiplier

  • Supports Mifflin-St Jeor, revised Harris-Benedict, and Katch-McArdle BMR equations.
  • Applies the selected goal adjustment to maintenance calories.
  • Sets protein from body weight, fat from the selected macro style, and assigns remaining calories to carbohydrate.

Practical context

TDEE, calorie deficit, and macro guide

Your total daily energy expenditure is an estimate of the calories you burn in a typical day. Use it as a starting point for maintenance calories, a controlled calorie deficit, or a gradual surplus, then adjust from several weeks of bodyweight data.

What is TDEE?

Total daily energy expenditure, or TDEE, combines the energy used at rest with movement, training, digestion, and daily activity. The calculator first estimates basal metabolic rate and then applies the activity level you select.

TDEE is not a fixed number measured directly by this page. Work schedules, step counts, training volume, and body weight change over time. Treat the estimate as a reasonable first calorie target that real intake and scale trends can refine.

Choose an honest activity level

Activity multipliers describe your whole week, not merely whether you visit a gym. Someone who trains hard but works at a desk and takes few daily steps may need a lower multiplier than an active worker who also trains.

Start conservatively when two descriptions seem plausible. After two to four consistent weeks, compare average morning body weight rather than single weigh-ins. If weight is stable, observed intake is close to actual maintenance under those conditions.

Common activity multipliers used to estimate TDEE
ActivityMultiplierPractical description
Sedentary1.20Little planned exercise and low daily movement
Light1.375Light exercise about 1 to 3 days per week
Moderate1.55Moderate exercise about 3 to 5 days per week
Very active1.725Hard exercise about 6 to 7 days per week
Extremely active1.90Very demanding training or physical work

Set a calorie deficit or surplus

A moderate calorie deficit is usually easier to sustain and recover from than an aggressive cut. Faster loss is not automatically better if training performance, hunger, sleep, or lean mass suffer. A smaller person also needs a smaller absolute calorie change than a larger person to create a similar percentage deficit.

For muscle gain, use a modest surplus and monitor the rate of gain. More calories do not force muscle to appear faster once training, protein, and recovery needs are met. Adjust in small steps rather than reacting to a few days of water-weight change.

How the macro targets are set

Protein and fat are assigned first, then carbohydrate fills the calories that remain. The result is one workable distribution, not the only healthy macro split. Preferences, food tolerance, training demands, and medical guidance can justify a different distribution at the same calorie target.

Use the dedicated protein intake calculator if you want a goal-specific protein estimate. Macro precision cannot compensate for a calorie target that does not match your actual trend.

TDEE and macro formulas

The selected BMR equation provides the resting estimate. TDEE equals BMR multiplied by the activity factor. Goal calories equal TDEE plus the selected surplus or minus the selected deficit.

Protein calories equal protein grams x 4, fat calories equal fat grams x 9, and carbohydrate receives the calories that remain at 4 calories per gram. Rounding can make the displayed macro calories differ slightly from the target.

Turn the estimate into observed maintenance

Track intake consistently and weigh under similar conditions. Compare weekly averages because sodium, carbohydrate, digestion, hydration, and menstrual-cycle changes can move scale weight without representing fat gain or loss.

If the average trend is not moving as intended after enough consistent data, adjust calories modestly. Recalculate after meaningful bodyweight or activity changes, but do not treat every daily fluctuation as evidence that the formula failed.

Questions people ask

Frequently asked questions

How accurate is a TDEE calculator?
It provides a population-based starting estimate. Your average bodyweight trend and accurately tracked intake over several weeks provide the better personal estimate.
Is TDEE the same as BMR?
No. BMR estimates energy used at rest. TDEE adds an activity multiplier to estimate the energy used across an entire day.
How large should my calorie deficit be?
Use the smallest deficit that produces an appropriate, sustainable rate of loss while preserving training and recovery. The right amount depends on body size, leanness, goals, and timeline.
When should I change my calories?
Change them after a consistent multiweek trend differs from your goal, not after an isolated weigh-in. First confirm that intake and activity were tracked consistently.