This women's ideal weight calculator delivers precise targets using multiple medical formulas, giving you transparent intermediate values and an actionable plan.
Women's Ideal Weight Calculator
Enter height between 120 cm and 210 cm for accurate women's ideal weight calculator output.
Age adjusts the women's ideal weight calculator slightly after 30 for metabolic shifts.
Medium
Small
Large
Frame modifies the women's ideal weight calculator by ±8% to reflect bone structure.
women's ideal weight calculator result will appear here.
The women's ideal weight calculator uses Devine, Robinson, Miller, and Hamwi formulas adjusted for frame size and age.
Formula table showing each women's ideal weight calculator method and adjustments.
Formula
Raw Estimate (kg)
Adjusted for Frame/Age (kg)
Notes
Devine
Clinical dosing baseline
Robinson
Refined for stature
Miller
Population average
Hamwi
Frame-aware start
Bar chart comparing raw and adjusted outputs of the women's ideal weight calculator across formulas.
What is women's ideal weight calculator?
The women's ideal weight calculator is a focused tool that blends classic medical equations to estimate optimal body mass for women. A women's ideal weight calculator helps adults translate height, age, and body frame into a practical target rather than a vague aspiration. Anyone aiming for sustainable wellness, diet planning, or clinical dosing can rely on a women's ideal weight calculator to align goals with physiology.
People often assume a women's ideal weight calculator spits out one magic number, but the reality is a guided range built from formulas. Another misconception is that a women's ideal weight calculator ignores age or frame; our approach accounts for both so the women's ideal weight calculator stays realistic.
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women's ideal weight calculator Formula and Mathematical Explanation
The women's ideal weight calculator converts height in centimeters to inches, subtracts 60 inches to find surplus height above 5 feet, then multiplies that surplus by a formula-specific factor. The women's ideal weight calculator then adjusts by frame and age to keep results grounded.
Step-by-step derivation
Convert height (cm) ÷ 2.54 = height in inches for the women's ideal weight calculator.
Calculate surplus = inches − 60 to capture stature above 5 ft for the women's ideal weight calculator.
Apply multipliers: Devine 2.3, Robinson 1.7, Miller 1.36, Hamwi 2.2 within the women's ideal weight calculator.
Add female base constants: 45.5, 49.0, 53.1, 45.5 respectively inside the women's ideal weight calculator.
Frame factor: small −8%, medium 0%, large +8% across the women's ideal weight calculator outputs.
Age factor: +0.1 kg per year above 30 (capped at +3 kg) to make the women's ideal weight calculator age-aware.
Average adjusted values to form the headline result of the women's ideal weight calculator.
Variables used in the women's ideal weight calculator.
Variable
Meaning
Unit
Typical Range
H_cm
Height input to the women's ideal weight calculator
cm
120–210
H_in
Height converted to inches for formulas
in
47–83
S
Surplus height above 60 inches in the women's ideal weight calculator
in
-13–23
F
Frame multiplier in the women's ideal weight calculator
ratio
0.92–1.08
A
Age adjustment add-on
kg
0–3
IDW
Ideal weight output from the women's ideal weight calculator
kg
38–85
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Practical Examples (Real-World Use Cases)
Example 1: 165 cm, age 30, medium frame
Using the women's ideal weight calculator, height 165 cm yields a surplus of 4.9 inches. Devine returns about 56.8 kg, Robinson 57.3 kg, Miller 59.7 kg, Hamwi 56.3 kg. Averaging adjustments, the women's ideal weight calculator suggests ~57.5 kg, offering a stable midpoint for nutrition planning.
Example 2: 175 cm, age 42, large frame
Here the women's ideal weight calculator converts to 68.9 inches, surplus 8.9 inches. Raw outputs cluster near 60–65 kg, but with +8% frame and +1.2 kg age adjustment, the women's ideal weight calculator shows ~67.8 kg. This guides strength training and maintains metabolic health.
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How to Use This women's ideal weight calculator
Enter height in centimeters to feed the women's ideal weight calculator.
Add age to let the women's ideal weight calculator account for metabolic drift.
Select body frame; the women's ideal weight calculator recalibrates instantly.
Review the primary highlight and intermediate rows the women's ideal weight calculator shows.
Use Copy Results to paste the women's ideal weight calculator outputs into your plan.
Reading results: the headline from the women's ideal weight calculator is the averaged, adjusted target. Each intermediate value shows how the women's ideal weight calculator respects clinical formulas. Decision guidance: stay within ±5% of the women's ideal weight calculator target for balanced nutrition.
Explore {related_keywords} when pairing the women's ideal weight calculator with calorie tracking.
Key Factors That Affect women's ideal weight calculator Results
Height accuracy: a 1 cm error can shift the women's ideal weight calculator by ~0.4 kg.
Body frame: bone structure shifts the women's ideal weight calculator by up to 8%.
Age: post-30 metabolism nudges the women's ideal weight calculator upward by up to 3 kg.
Muscle mass: athletic builds may sit 5% above the women's ideal weight calculator midpoint.
Hydration and glycogen: transient weight can mask the women's ideal weight calculator target by 1–2 kg.
Hormonal cycles: monthly shifts may momentarily offset the women's ideal weight calculator reading.
Measurement timing: morning weigh-ins align best with the women's ideal weight calculator baseline.
Clothing weight: remove heavy garments to keep the women's ideal weight calculator precise.
See {related_keywords} to align the women's ideal weight calculator with cardiovascular planning.
Frequently Asked Questions (FAQ)
Does the women's ideal weight calculator work for teens? It targets adults 18+, so teens should use pediatric guidance.
Can the women's ideal weight calculator replace medical advice? No, the women's ideal weight calculator is a planning tool; consult clinicians for diagnoses.
How often should I rerun the women's ideal weight calculator? Update monthly or after a 2–3 kg change.
What if my frame feels between sizes? Choose medium first; the women's ideal weight calculator keeps changes modest.
Does muscle skew the women's ideal weight calculator? Yes, muscular users may sit slightly above the women's ideal weight calculator midpoint.
Is metric required? Yes, enter cm and let the women's ideal weight calculator convert internally.
What happens below 150 cm? The women's ideal weight calculator still calculates but may yield negative surplus; it remains valid.
How is age capped? The women's ideal weight calculator caps age add-ons at 3 kg to stay conservative.
Related Tools and Internal Resources
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{related_keywords} – aligns the women's ideal weight calculator with body composition scans.
{related_keywords} – uses the women's ideal weight calculator for dosing safety.
{related_keywords} – tracks progress against the women's ideal weight calculator weekly.
function calculate(){
var heightInput=document.getElementById("heightCm");
var ageInput=document.getElementById("ageYears");
var frameSelect=document.getElementById("frameSize");
var heightVal=parseFloat(heightInput.value);
var ageVal=parseFloat(ageInput.value);
var frameVal=frameSelect.value;
var errHeight=document.getElementById("errHeight");
var errAge=document.getElementById("errAge");
var errFrame=document.getElementById("errFrame");
errHeight.innerHTML="";
errAge.innerHTML="";
errFrame.innerHTML="";
var valid=true;
if(isNaN(heightVal)){errHeight.innerHTML="Enter a numeric height.";valid=false;}
else if(heightVal210){errHeight.innerHTML="Height must be between 120 and 210 cm.";valid=false;}
if(isNaN(ageVal)){errAge.innerHTML="Enter a numeric age.";valid=false;}
else if(ageVal80){errAge.innerHTML="Age must be between 18 and 80.";valid=false;}
if(frameVal!=="small"&&frameVal!=="medium"&&frameVal!=="large"){errFrame.innerHTML="Select a valid frame size.";valid=false;}
if(!valid){
document.getElementById("primaryResult").innerHTML="Please fix inputs to see women's ideal weight calculator results.";
return;
}
var inches=heightVal/2.54;
var surplus=inches-60;
var devine=45.5+(2.3*surplus);
var robinson=49+(1.7*surplus);
var miller=53.1+(1.36*surplus);
var hamwi=45.5+(2.2*surplus);
var frameAdj=1;
if(frameVal==="small"){frameAdj=0.92;}
if(frameVal==="large"){frameAdj=1.08;}
var ageAdj=0;
if(ageVal>30){
ageAdj=(ageVal-30)*0.1;
if(ageAdj>3){ageAdj=3;}
}
var devineAdj=(devine*frameAdj)+ageAdj;
var robinsonAdj=(robinson*frameAdj)+ageAdj;
var millerAdj=(miller*frameAdj)+ageAdj;
var hamwiAdj=(hamwi*frameAdj)+ageAdj;
var avg=(devineAdj+robinsonAdj+millerAdj+hamwiAdj)/4;
var primary=document.getElementById("primaryResult");
primary.innerHTML="Recommended target: "+avg.toFixed(1)+" kg from the women's ideal weight calculator.";
document.getElementById("devineVal").innerHTML="Devine adjusted: "+devineAdj.toFixed(1)+" kg";
document.getElementById("robinsonVal").innerHTML="Robinson adjusted: "+robinsonAdj.toFixed(1)+" kg";
document.getElementById("millerVal").innerHTML="Miller adjusted: "+millerAdj.toFixed(1)+" kg";
document.getElementById("hamwiVal").innerHTML="Hamwi adjusted: "+hamwiAdj.toFixed(1)+" kg";
var assumption="Frame "+frameVal+", age adjustment "+ageAdj.toFixed(1)+" kg; women's ideal weight calculator averages 4 methods.";
document.getElementById("assumptionText").innerHTML=assumption;
document.getElementById("tblDevineRaw").innerHTML=devine.toFixed(1)+" kg";
document.getElementById("tblDevineAdj").innerHTML=devineAdj.toFixed(1)+" kg";
document.getElementById("tblRobinsonRaw").innerHTML=robinson.toFixed(1)+" kg";
document.getElementById("tblRobinsonAdj").innerHTML=robinsonAdj.toFixed(1)+" kg";
document.getElementById("tblMillerRaw").innerHTML=miller.toFixed(1)+" kg";
document.getElementById("tblMillerAdj").innerHTML=millerAdj.toFixed(1)+" kg";
document.getElementById("tblHamwiRaw").innerHTML=hamwi.toFixed(1)+" kg";
document.getElementById("tblHamwiAdj").innerHTML=hamwiAdj.toFixed(1)+" kg";
drawChart([devine,robinson,miller,hamwi],[devineAdj,robinsonAdj,millerAdj,hamwiAdj]);
}
function resetCalc(){
document.getElementById("heightCm").value="165″;
document.getElementById("ageYears").value="30″;
document.getElementById("frameSize").value="medium";
calculate();
}
function copyResults(){
var text="Women's ideal weight calculator results:\n";
text+=document.getElementById("primaryResult").innerText+"\n";
text+=document.getElementById("devineVal").innerText+"\n";
text+=document.getElementById("robinsonVal").innerText+"\n";
text+=document.getElementById("millerVal").innerText+"\n";
text+=document.getElementById("hamwiVal").innerText+"\n";
text+=document.getElementById("assumptionText").innerText+"\n";
if(navigator.clipboard&&navigator.clipboard.writeText){
navigator.clipboard.writeText(text);
}else{
var temp=document.createElement("textarea");
temp.value=text;
document.body.appendChild(temp);
temp.select();
document.execCommand("copy");
document.body.removeChild(temp);
}
}
function drawChart(series1,series2){
var canvas=document.getElementById("chartCanvas");
var ctx=canvas.getContext("2d");
canvas.width=canvas.clientWidth;
var w=canvas.width;
var h=canvas.height;
ctx.clearRect(0,0,w,h);
var padding=50;
var labels=["Devine","Robinson","Miller","Hamwi"];
var maxVal=0;
var i;
for(i=0;imaxVal){maxVal=series1[i];}
if(series2[i]>maxVal){maxVal=series2[i];}
}
maxVal=Math.ceil(maxVal/5)*5+5;
ctx.fillStyle="#1f2d3d";
ctx.font="14px Arial";
ctx.fillText("Raw vs Adjusted (women's ideal weight calculator)",padding,20);
ctx.strokeStyle="#cdd6e2″;
ctx.lineWidth=1;
for(i=0;i<=5;i++){
var y=padding+(i*((h-2*padding)/5));
ctx.beginPath();
ctx.moveTo(padding,y);
ctx.lineTo(w-padding,y);
ctx.stroke();
var val=(maxVal-(i*(maxVal/5))).toFixed(0);
ctx.fillStyle="#6c7a89";
ctx.fillText(val+" kg",5,y+4);
}
var barWidth=(w-2*padding)/(series1.length*3);
var baseY=h-padding;
for(i=0;i<labels.length;i++){
var x=paddingspan(i,barWidth,padding);
ctx.fillStyle="#004a99";
var h1=(series1[i]/maxVal)*(h-2*padding);
ctx.fillRect(x,baseY-h1,barWidth, h1);
ctx.fillStyle="#28a745";
var h2=(series2[i]/maxVal)*(h-2*padding);
ctx.fillRect(x+barWidth+5,baseY-h2,barWidth, h2);
ctx.fillStyle="#1f2d3d";
ctx.fillText(labels[i],x,baseY+16);
}
ctx.fillStyle="#004a99";
ctx.fillRect(w-padding-180,30,14,14);
ctx.fillStyle="#1f2d3d";
ctx.fillText("Raw estimate",w-padding-160,42);
ctx.fillStyle="#28a745";
ctx.fillRect(w-padding-180,50,14,14);
ctx.fillStyle="#1f2d3d";
ctx.fillText("Adjusted estimate",w-padding-160,62);
}
function paddingspan(index,barWidth,padding){
return padding+(index*(barWidth*3))+10;
}