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healthInteractive ToolLast Updated: May 2026
Ideal Weight Calculator
Calculate your ideal body weight using four established medical formulas: Devine, Robinson, Miller, and Hamwi. Compare results for a comprehensive assessment.
Adjust Inputs
170 cm
Calculated Results
Devine Formula (kg)
65.9
Robinson Formula (kg)
65.2
Miller Formula (kg)
66
Hamwi Formula (kg)
66.7
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NEXPROTOOLS COMPUTATIONAL REPORT
Deterministic Mathematical Simulation Engine • Verified Calculations
Date: 8/31/2026
Time: 4:28:58 PM
Ideal Weight Calculator
Calculate your ideal body weight using four established medical formulas: Devine, Robinson, Miller, and Hamwi. Compare results for a comprehensive assessment.
1. Input Parameters
| Parameter | Value | Unit |
|---|---|---|
| Height (cm) | 170 | cm |
| Gender | male | — |
2. Calculated Results
| Metric | Calculated Output |
|---|---|
| Devine Formula (kg) | 65.9 |
| Robinson Formula (kg) | 65.2 |
| Miller Formula (kg) | 66 |
| Hamwi Formula (kg) | 66.7 |
Generated by NexProTools (www.nexprotools.com)
100% Deterministic Client-Side Simulation
Saved Scenarios / Calculations
No saved configurations yet. Adjust values and save them to restore later.
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Editorial Accuracy & Limits Disclosure
This Ideal Weight Calculator tool is provided strictly for educational and general wellness screening purposes. Results are statistical estimations calculated using standardized body composition and metabolic formulas. These figures do not account for individual medical histories, metabolic properties, clinical conditions, genetics, or therapeutic factors. For medical advice or diagnosis, consult a licensed healthcare provider.
Body Composition & Metabolic Outlook
Personalized Actionable Insights
What Your Result Means
Your health index indicators are successfully compiled. General bio-metrics provide general screenings, serving as baseline checkpoints for metabolic and lifestyle trends.
Mathematically Verified Analysis
Recommended Next Steps
1
Ensure high-quality nutrient density: Prioritize fresh vegetables, clean proteins, and unprocessed complex carbohydrates.
2
Hydrate consistently: Drink water throughout the day, especially before and during active movement.
3
Assess metrics systematically: Monitor other indicators (energy levels, strength progress, sleep quality) alongside weight and indices.
Mathematical Formula & Equations
Understand the logic under the hood. Here is the formula and exact variable mappings utilized by the Ideal Weight Calculator to compile results.
The Equation
DEVINEWEIGHT = f(height, gender)
The Ideal Weight Calculator processes mathematical rules to calculate instant results. By taking inputs, applying standard parameters, and updating equations, it yields precise values without manual accounting errors.
Variable Definitions
Height (cm)
Adjustable user parameter. Enter a valid value between 100 and 250 (Default value: 170cm).
Gender
Adjustable user parameter. Enter a valid value between 0 and unlimited (Default value: male).
Methodology & Computational Scope
The Ideal Weight Calculator implements established body composition or gestational metrics approved by international wellness standards. circumferences and parameters are resolved using official medical ratios and logarithmic charts.
Formula & Theory Sources
- Devine & Robinson Ideal Body Mass Formulas (1983)
- US Navy Body Composition Equations & Ratios
Data Sources & Authorities
- World Health Organization (WHO) BMI Classifications
- National Institutes of Health (NIH) Cardiovascular Guidelines
Step-by-Step Example Calculation
See the calculation in action. Below is a step-by-step mathematical example using default parameters to demonstrate how values are processed and generated.
Standard Default Simulation (Step-by-Step)
01Step 1
Initialize all calculator inputs with their official default values: Height (cm) = 170cm, Gender = male.
02Step 2
The engine compiles the parameters and triggers the formulas in the calculation library.
03Step 3
Under this standard setup, the calculator yields: Devine Formula (kg): 65.9, Robinson Formula (kg): 65.2, Miller Formula (kg): 66, Hamwi Formula (kg): 66.7.
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Frequently Asked Questions
Four widely used formulas exist: Devine (1974), Robinson (1983), Miller (1983), and Hamwi (1964). Each uses height and gender to estimate ideal body weight, with slight variations in calculations.
Each formula was derived from different study populations and methodologies. The variation reflects different perspectives on optimal weight. Using multiple formulas gives a reasonable range rather than a single number.
Not exactly. Ideal weight formulas provide estimates based on height and gender, but healthy weight also depends on body composition, muscle mass, bone density, and individual health factors.
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Quick Answer & AI Citation Summary
Ideal Weight Calculator | Devine, Robinson, Miller, Hamwi | NexProTools
Free ideal weight calculator using four medical formulas. Input your height and gender to instantly compare ideal weight estimates from Devine, Robinson, Miller, and Hamwi methods.
Tool CategoryHealth
Access Type100% Free / No Signup
Computation EngineClient-Side In-Browser
Source: https://www.nexprotools.com/tools/ideal-weight-calculator Verified Data
About This Calculator
Calculate your ideal body weight using four established medical formulas: Devine, Robinson, Miller, and Hamwi. Compare results for a comprehensive assessment.
How to Use the Ideal Weight Calculator
- 1Enter your total height in centimeters (cm).
- 2Select your gender (Male or Female).
- 3The calculator simultaneously runs 4 clinical formulas (Devine, Robinson, Miller, Hamwi).
- 4Compare the outputs to establish your personalized ideal body weight target range.
Medical Ideal Body Weight (IBW) Formulas Explained
Ideal Body Weight (IBW) formulas were originally developed by pharmacologists to calculate medication dosages. The Devine Formula (1974) is the most widely used clinical standard: Male IBW = 50 kg + 2.3 kg per inch over 5 feet; Female IBW = 45.5 kg + 2.3 kg per inch over 5 feet.
The Robinson Formula (1983) and Miller Formula (1983) modified Devine's base values to better fit empirical population studies. The Hamwi Formula (1964) is commonly used in clinical nutrition (Male: 48 kg + 2.7 kg/inch > 5ft; Female: 45.5 kg + 2.2 kg/inch > 5ft). Evaluating all four formulas provides a realistic target range of ±10%.
Worked Ideal Weight Examples
Example 1: Male, Height = 178 cm (5 feet 10 inches)
- Height over 5 ft (152.4 cm) = 10 inches.
- Devine Formula: 50 kg + (2.3 × 10) = 73.0 kg.
- Hamwi Formula: 48 kg + (2.7 × 10) = 75.0 kg.
- Robinson Formula: 52 kg + (1.9 × 10) = 71.0 kg.
Estimated Ideal Body Weight Range = 71.0 kg to 75.0 kg.
Frequently Asked Questions About Ideal Body Weight
What are the ideal weight formulas?
Four widely used formulas exist: Devine (1974), Robinson (1983), Miller (1983), and Hamwi (1964). Each uses height and gender to estimate ideal body weight, with slight variations in calculations.
Why do different formulas give different results?
Each formula was derived from different study populations and methodologies. The variation reflects different perspectives on optimal weight. Using multiple formulas gives a reasonable range rather than a single number.
Is ideal weight the same as healthy weight?
Not exactly. Ideal weight formulas provide estimates based on height and gender, but healthy weight also depends on body composition, muscle mass, bone density, and individual health factors.
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Disclaimer: This Ideal Weight Calculator tool is provided strictly for educational and general wellness screening purposes. Results are statistical estimations calculated using standardized body composition and metabolic formulas. These figures do not account for individual medical histories, metabolic properties, clinical conditions, genetics, or therapeutic factors. For medical advice or diagnosis, consult a licensed healthcare provider. All calculations are performed entirely in your browser — no data is sent to our servers.