# Havanese Puppy Growth Calculator

## Havanese Puppy Growth Calculator

    

Estimate your Havanese puppy’s adult weight and check if they’re growing within a healthy range. Most adult Havanese weigh between 7–13 lbs, with the majority falling in the 10–12 lb range.

  
  
    
      Puppy’s Age
      
        
        WeeksMonths
      
    
    
      Current Weight
      
        
        lbskg
      
    
    
      Weight at 8 Weeks (optional)
      
    
    
      
        
        Calculate
      
      
        
        Reset
      
    
  
  

(function(){
  var age=document.getElementById("hgcAge"),ageU=document.getElementById("hgcAgeUnit"),
      wt=document.getElementById("hgcWeight"),wtU=document.getElementById("hgcWeightUnit"),
      w8=document.getElementById("hgcWeight8w"),calc=document.getElementById("hgcCalcBtn"),
      reset=document.getElementById("hgcResetBtn"),out=document.getElementById("hgcResult");

  function check(){calc.disabled=!(parseFloat(age.value)>0&&parseFloat(wt.value)>0)}
  age.addEventListener("input",check);wt.addEventListener("input",check);

  function mult(w){
    if(w<=8)return .25;if(w<=12)return .4;if(w<=16)return .5;
    if(w<=20)return .6;if(w<=26)return .75;if(w<=39)return .88;if(w0&&v>0))return;
    var weeks=ageU.value==="months"?a*4.33:a,wu=wtU.value;
    var lbs=toLbs(v,wu),m=mult(weeks),est=lbs/m;
    var w8v=parseFloat(w8.value);
    if(w8v>0){est=(est+toLbs(w8v,wu)/0.25)/2}
    var mn=Math.max(est*.85,7),mx=Math.min(est*1.15,16);
    var exp=10.5*m,ratio=lbs/exp,status,label,explain;
    if(ratio1.2){status="above";label="Above Average";
      explain="Your puppy is heavier than typical for a "+Math.round(weeks)+"-week-old Havanese. This may be normal variation, but a vet check can help.";}
    else{status="normal";label="Healthy Range";
      explain="Great news! Your puppy is within the healthy weight range for a "+Math.round(weeks)+"-week-old Havanese. Keep up the good care!";}

    var icons={normal:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none"><path d="M22 11.08V12a10 10 0 1 1-5.93-9.14" />',
      underweight:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none"><path d="m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3Z" />',
      above:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none"><path d="m16 16 3-8 3 8c-.87.65-1.92 1-3 1s-2.13-.35-3-1Z" /><path d="m2 16 3-8 3 8c-.87.65-1.92 1-3 1s-2.13-.35-3-1Z" /><path d="M7 21h10" /><path d="M12 3v18" /><path d="M3 7h2c2 0 5-1 7-2 2 1 5 2 7 2h2" />'};

    out.innerHTML='<div class="hgc-result '+status+'">'+
      '<div class="hgc-status">'+icons[status]+' '+label+''+
      '<div class="hgc-est-label">Estimated Adult Weight'+
      '<div class="hgc-est-value">'+fromLbs(mn,wu).toFixed(1)+' – '+fromLbs(mx,wu).toFixed(1)+' '+wu+''+
      '<p class="hgc-explain">'+explain+''+
      '<p class="hgc-disclaimer">This is an estimate based on typical Havanese growth patterns. Individual puppies may vary. Always consult your veterinarian.';
  });

  reset.addEventListener("click",function(){
    age.value="";wt.value="";w8.value="";out.innerHTML="";calc.disabled=true;
  });
})();