Calorie, BMR & Daily Energy (TDEE) Calculator

Calculate your Basal Metabolic Rate (BMR), daily energy expenditure (TDEE), and target caloric intake for weight loss, maintenance, or muscle gain.

Local Processing: Runs 100% locally in your browser sandbox. Your code, files, and calculations never leave your device.
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Total Daily Energy Expenditure (Maintenance Calories)
2,649kcal/day
Basal Metabolism (BMR)1,709 kcal
Weight Loss (-0.5kg/wk)2,149 kcal
Fast Loss (-0.75kg/wk)1,899 kcal
Muscle Gain & Bulk3,049 kcal
Recommended Macros for Weight Loss Target:
Protein (30%)161g
Carbs (40%)215g
Healthy Fats (30%)72g

How to Use Calorie, BMR & Daily Energy (TDEE) Calculator

1

Enter Your Input

Paste, upload, or type your input directly into the editor or controls above.

2

Instant Processing

Computed 100% locally in your browser with fast execution and complete privacy guarantee.

3

Copy or Download

Quickly copy the processed output to your clipboard or download files with one click.

Technical Specifications & Standards

Architecture Client-Side Web APIs / V8 WASM
Data Privacy 100% In-Browser (Zero Transfer)
Standards W3C Specs & IETF RFC
Availability Free Forever (Client-Side)

Integrated Workflow • Next Action

Seamlessly transition to complementary utilities without re-uploading
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Frequently Asked Questions

What formula is used for BMR?

Uses the scientifically verified Mifflin-St Jeor equation, considered the most accurate clinical standard.

How are weight loss goals determined?

Provides calculated daily calorie deficits (-500 kcal for 0.5kg/week, -750 kcal for faster results) with safe macronutrient guides.

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