BMI & Weight Calculator
Calculate your BMI, Ideal Body Weight, BMR, and TDEE with clinical accuracy. Compare multiple health formulas in one private dashboard.
How to Calculate and Plan Your Calorie Target
Generate your metabolic profile and find your ideal clinical weight.
Enter Your Physical Details
Select your gender, input your age, and enter your current height and weight in either metric or imperial units.
Choose Activity Multiplier
Select an activity profile that closely reflects your lifestyle, ranging from Sedentary to Extremely Active.
Review Calorie Targets
Analyze your BMR, TDEE, and ideal body weights. Copy the daily calorie target to begin your management plan.
Clinical Body Assessment
Advanced metrics for fitness enthusiasts and clinical professionals running totally offline on your device.
Multi-Formula IBW Analysis
Compares your ideal clinical weight across the Devine, Robinson, Miller, and Hamwi equations simultaneously.
Precise BMR & TDEE Planner
Computes your metabolic rate using the Mifflin-St Jeor formula and provides actionable targets for deficits or surpluses.
100% Client-Side Privacy
No personal health data leaves your device. All calculations happen locally in your browser memory.
Frequently Asked Questions
Common questions regarding body mass metrics and metabolism.
Q.What is the difference between BMI and Ideal Body Weight?
BMI is a generic population-wide health indicator relating weight to height, whereas Ideal Body Weight (IBW) utilizes clinical formulas (such as Devine or Robinson) to estimate what an individual should ideally weigh for clinical drug dosing and health baselines based on their height and gender.
Q.Which BMR formula is more accurate: Mifflin-St Jeor or Harris-Benedict?
The Mifflin-St Jeor equation is widely considered by modern clinical dietetics to be more accurate for the majority of the population. The Harris-Benedict equation, while older, remains a highly valuable historical clinical benchmark.
Q.What is BMI Prime?
BMI Prime is a simple index that expresses a person's actual BMI as a ratio of the upper normal limit of BMI (25). A BMI Prime of 1.0 indicates you are exactly at the top of the normal weight limit. Values above 1.0 indicate overweight/obesity.
Q.Is my health data private?
Yes. The clinical weight assessment engine runs entirely in your local browser tab. No health data is sent across the internet.