2 Pounds Per Week Weight Loss Calculator

Calculator Inputs

Unit system

Sex used for BMR

Age

Height

Use inches for imperial or centimeters for metric.

Current weight

Use pounds for imperial or kilograms for metric.

Goal weight

Activity level

Extra daily exercise calories

Current daily intake

Optional. Enter zero if unknown.

Weekly loss target

Two pounds is the maximum allowed here.

Formula Used

The calculator first estimates basal metabolic rate with the Mifflin St Jeor equation. Male BMR equals 10 × weight kg + 6.25 × height cm − 5 × age + 5. Female BMR equals 10 × weight kg + 6.25 × height cm − 5 × age − 161.

Total daily energy expenditure equals BMR × activity factor + planned exercise calories. A two pound weekly goal uses 2 × 3,500 calories. That equals 7,000 calories weekly, or 1,000 calories daily. Target intake equals maintenance calories minus daily deficit.

How To Use This Calculator

Select your preferred unit system.
Enter age, sex, height, current weight, and goal weight.
Choose the activity level that best matches your normal week.
Add planned exercise calories only when they are not already included.
Enter your current intake if you want a change comparison.
Press calculate and read the result above the form.
Download the CSV or PDF for planning records.

Example Data Table

Person	Weight	Maintenance	Daily deficit	Target intake	Goal loss
Example A	220 lb	2,850 calories	1,000 calories	1,850 calories	2 lb/week
Example B	185 lb	2,300 calories	1,000 calories	1,300 calories	Floor check needed
Example C	260 lb	3,200 calories	1,000 calories	2,200 calories	2 lb/week

What This Calculator Does

A two pound weekly loss target is aggressive. It needs a daily energy deficit near 1,000 calories. This calculator treats body weight as stored energy. It compares maintenance needs with the planned deficit. It also checks lower intake limits, because numbers alone are not a complete plan.

The Physics View

Weight change follows an energy balance idea. Food brings energy into the body. Movement and body processes use energy. When output stays higher than input, stored tissue supplies the gap. The tool uses 3,500 calories for one pound of body weight. It then converts weekly loss into daily deficit.

Smart Inputs

The form asks for sex, age, height, weight, activity, goal weight, and planned exercise. These values estimate basal metabolic rate first. Activity and exercise then create total daily energy expenditure. You can enter current intake too. That helps show how much change may be needed.

Interpreting Results

The calculated target is not always the best target. Very low intake may reduce adherence. It may also leave too little room for protein, fiber, and essential fats. For that reason, the calculator shows a practical floor. It also estimates what weekly loss may happen when the floor is used.

Using the Estimate Safely

Use the result as a planning guide. Track body weight trends for two to four weeks. Adjust slowly when progress is faster or slower than expected. Hydration, sodium, menstrual cycles, training stress, and sleep can move scale weight. A single day rarely tells the full story.

Better Planning

A two pound goal can work for larger bodies. It may be too steep for smaller bodies. Strength training, enough protein, and regular meals can help preserve lean mass. Choose the most sustainable target that still moves you forward.

Why Exports Help

Download the table when you compare plans. A saved record makes simple reviews easier. Share it with a coach, trainer, or clinician when needed. The PDF gives a quick summary. The CSV works well in spreadsheets.

When To Slow Down

Slow the target when hunger, fatigue, dizziness, or poor recovery appears. A smaller deficit can still build momentum. Consistency usually beats extreme restriction. Review health risks before making aggressive nutrition changes alone.

FAQs

Is losing two pounds per week safe?

It can be reasonable for some larger adults. It can be too aggressive for smaller bodies. Review the calorie target, energy, hunger, training recovery, and medical history before using this pace.

Why does the calculator use 3,500 calories per pound?

It is a common planning estimate for stored body energy. Real results can differ because water, glycogen, lean mass, hormones, and adherence also affect scale weight.

What is the practical calorie target?

It is the calculated target after checking a conservative lower intake floor. This helps flag plans that may be difficult or unsuitable without professional guidance.

Should I add exercise calories?

Add them only when your activity selection does not already include them. Double counting exercise can make maintenance calories too high and slow progress.

Why is my expected loss below two pounds?

Your calculated target may fall below the intake floor. The tool then uses a practical target and estimates the slower weekly loss that may result.

Can I use metric units?

Yes. Choose metric and enter height in centimeters. Enter current weight and goal weight in kilograms. The calculator converts values internally.

Does this replace medical advice?

No. It is a planning tool. Speak with a qualified professional if you have medical conditions, take medication, are pregnant, or feel unwell while dieting.

How often should I adjust calories?

Review trends after two to four weeks. Daily weight changes are noisy. Use average weight, energy, hunger, and training performance before changing targets.