Adjusted Body Weight Calculator
Calculate adjusted body weight online using height, sex, actual weight, and a correction factor. Compare ideal, actual, and adjusted values instantly.
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Weight Loss Calorie Calculator
Calculate weight loss calories online using maintenance calories, daily deficit, and weekly loss targets with optional goal-weight timeline estimates.
Weight loss calorie calculator for daily deficit and goal planning
Calculate daily calories for weight loss using age, sex, height, weight, activity level, and your preferred weekly loss rate. Compare maintenance calories, cutting calories, and an optional timeline to goal weight in one responsive planner.
Body Metrics & WeightMaintenance and deficit targetsResponsive layout
Enter your current stats
Add current body size, age, activity level, and a weekly loss target to calculate weight-loss calories and an optional timeline.
Activity level
Weekly loss rate
Weight-loss calorie plan
Review basal metabolic rate, maintenance calories, recommended deficit, and a daily calorie target for the selected pace of fat loss.
Add age, height, current weight, activity level, and a weekly loss target to calculate a daily calorie goal.
Example
Plan a daily calorie target for fat loss
Estimate maintenance calories first, then apply a realistic deficit to create a daily calorie target for steady weight loss planning.
Example
Project time to a goal weight
Add an optional goal weight to estimate how many weeks a chosen calorie deficit could take if weight loss stays consistent.
Example
Compare safe and aggressive deficit options
Switch between slower and faster weekly loss rates to see how the daily calorie target changes before choosing a plan.
How the weight loss calorie calculator works
The calculator estimates basal metabolic rate with the Mifflin-St Jeor equation, multiplies it by your activity level to get maintenance calories, then subtracts the daily deficit needed to support your selected weekly loss rate.
Step 1
Enter current stats
Add age, sex, height, weight, and activity level to estimate current maintenance calories.
Step 2
Choose your pace
Pick a weekly loss target to set the daily calorie deficit and resulting calorie target.
Step 3
Review plan and timeline
Optionally add a goal weight to estimate how long the plan could take at the selected pace.
Why use a weight loss calorie calculator
Weight-loss planning is easier when you can compare maintenance calories against a realistic deficit instead of guessing. A calculator helps you choose a pace that fits your goals and keeps expectations clearer.
This tool is useful for planning, but it does not replace coaching or medical guidance. Real-world calorie needs shift over time as body weight, training volume, and adherence change.
Frequently asked questions
What does the Weight Loss Calorie Calculator do?
It estimates basal metabolic rate, maintenance calories, and a suggested calorie target for weight loss using your sex, age, height, weight, activity level, and preferred weekly loss rate.
How is it different from the Calorie Calculator or TDEE Calculator?
Calorie Calculator and TDEE Calculator are broader maintenance and energy-needs tools. Weight Loss Calorie Calculator is narrower and focused on setting a daily calorie goal specifically for fat-loss planning and optional goal-weight timelines.
Does this guarantee weight loss?
No. Actual results depend on adherence, energy expenditure changes, water balance, training, sleep, and individual response. This tool gives an estimate for planning, not a guaranteed outcome.
What if the target calories seem too low?
A very large deficit can be hard to sustain. The calculator warns when the estimate drops below common minimum calorie thresholds, but you should still use professional guidance for aggressive cuts or medical conditions.
Related tools
Use these internal tools to expand the calorie target into a broader weight-loss plan.
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Calorie Calculator
Use the broader calorie estimator when you want maintenance, gain, and loss targets in one place.
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TDEE Calculator
Compare your cutting calories with a full TDEE breakdown and maintenance estimate.
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Target Body Weight Calculator
Estimate a goal body weight first, then come back here to build a calorie target and timeline.
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Macro Nutrients Calculator
Turn the calorie target into protein, carb, and fat goals for a more complete cutting plan.
Explore This Tool in Context
Weight Loss Calorie Calculator is part of the Body Metrics & Weight collection. If you want a broader view of similar workflows, open the Body Metrics & Weight category page or browse all QuickTools categories.
Common next steps after this tool include Adjusted Body Weight Calculator, Target Body Weight Calculator and Weight Gain Calorie Calculator.
More in Body Metrics & Weight
View category hub →Target Body Weight Calculator
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Maintenance Calorie Calculator
Calculate maintenance calories online using age, sex, height, weight, and activity level with a flexible calorie range and protein target estimates.
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