Use this calculate my total weight loss tool to see exactly how many kilograms you have already lost, your average weekly loss, required pace to hit your goal weight, and the calorie deficit behind every kilogram. Real-time results, chart, and examples help you make confident adjustments.
Calculate My Total Weight Loss
Your weight when you began tracking.
Latest measured weight.
Target you want to reach.
How many full weeks you have monitored progress.
Your intended pace for the coming weeks.
Total weight lost: 8.5 kg
Actual weight trendTarget weight trend
Weekly weight loss breakdown
Week
Projected weight (kg)
Target weight (kg)
Weekly loss (kg)
Running loss (kg)
What is calculate my total weight loss?
The phrase calculate my total weight loss refers to measuring how many kilograms you have reduced from your starting weight to your current weight, and projecting how much further you need to go to hit your goal. People who track fat loss, athletes making a weight class, or anyone improving health should calculate my total weight loss to understand progress and pace. A common misconception is that scale changes are linear; calculate my total weight loss reminds you to review trends, calorie deficits, and weekly averages instead of single-day fluctuations.
calculate my total weight loss Formula and Mathematical Explanation
To calculate my total weight loss, subtract your current weight from your starting weight to find total kilograms lost. Divide that loss by weeks tracked to get average weekly loss. Multiply each kilogram by 7700 to estimate total calorie deficit. Required weeks to goal equals (current weight minus goal weight) divided by your planned weekly loss.
Variables for calculate my total weight loss
Variable
Meaning
Unit
Typical range
Wstart
Starting weight
kg
50 – 150
Wcurrent
Current weight
kg
45 – 140
Wgoal
Goal weight
kg
40 – 120
kcal/kg
Calories per kg of fat
kcal
7000 – 8000
Loss/week
Average weekly loss
kg/week
0.3 – 1.0
Practical Examples (Real-World Use Cases)
Example 1: A person starts at 92 kg, is now 83.5 kg after 8 weeks, and wants to reach 78 kg. When they calculate my total weight loss, they see 8.5 kg lost, an average of 1.06 kg per week, and roughly 65,450 kcal deficit. They need 5.5 kg more; at a planned 0.7 kg per week, about 8 weeks remain.
Example 2: Another user begins at 105 kg, currently 100 kg after 6 weeks, with a goal of 90 kg. By running calculate my total weight loss, they find 5 kg lost, 0.83 kg per week, and about 38,500 kcal deficit. To lose 10 more kg at 0.6 kg per week, they should plan for roughly 17 weeks.
How to Use This calculate my total weight loss Calculator
Enter your starting weight, current weight, goal weight, weeks tracked, and planned weekly loss.
Watch the primary result update as you calculate my total weight loss instantly.
Review intermediate values: weekly average loss, percent lost, and total calorie deficit.
Use the chart to compare your actual trend against the target trajectory.
Copy results to share with a coach or to log your calculate my total weight loss progress.
Adjust planned weekly loss to see how many weeks remain to reach your target.
Read the results: the green highlight shows total kilograms lost, while the intermediate cards display how quickly you are losing, your progress percentage, and the calorie math behind calculate my total weight loss decisions.
Key Factors That Affect calculate my total weight loss Results
Calorie balance governs calculate my total weight loss because a sustained deficit drives fat reduction. Hydration can mask daily changes, so trend lines matter more than single weigh-ins. Protein intake preserves lean mass and influences the shape of your calculate my total weight loss chart. Sleep quality affects hormones that regulate appetite and can change weekly averages. Resistance training impacts body composition, making calculate my total weight loss appear slower even as fat drops. Consistency in weigh-in timing reduces noise and makes calculate my total weight loss more reliable. Medical factors like medication or thyroid function can alter the slope of your calculate my total weight loss curve and should be considered with a professional.
Frequently Asked Questions (FAQ)
How often should I calculate my total weight loss? Weekly averages give stable readings and keep calculate my total weight loss aligned with trends.
What if my current weight is higher this week? Short-term spikes happen; calculate my total weight loss using multi-day averages.
Is 7700 kcal per kilogram exact? It is a common estimate; calculate my total weight loss with awareness that individual variation exists.
Can I use pounds instead of kilograms? Convert inputs consistently; calculate my total weight loss requires uniform units.
What if weeks tracked is zero? Enter at least one week; calculate my total weight loss uses time to compute weekly pace.
How fast is safe? Most guidelines suggest 0.3-1.0 kg per week; calculate my total weight loss within that range to preserve muscle.
Why does the chart show a gap? Missing weigh-ins reduce data points; fill them to smooth calculate my total weight loss visualization.
Can I copy and share results? Yes, use the Copy Results button to export your calculate my total weight loss summary.
macro calculator – Balance protein and carbs to stabilize calculate my total weight loss pace.
maintenance calories – Learn your baseline before you calculate my total weight loss.
weight loss timeline – Map milestones that align with your calculate my total weight loss plan.
var chart;
function initDefaults(){
calculateTotals();
}
function validateInput(id,errorId,minValue,allowZero){
var val=document.getElementById(id).value;
var num=parseFloat(val);
var errorEl=document.getElementById(errorId);
errorEl.textContent="";
if(val.trim()===""){errorEl.textContent="Required";return null;}
if(isNaN(num)){errorEl.textContent="Enter a valid number";return null;}
if(!allowZero && num<=0){errorEl.textContent="Must be greater than 0";return null;}
if(minValue!==null && numstart){document.getElementById("currentWeightError").textContent="Current weight should not exceed starting weight for loss";return;}
if(goal>=start){document.getElementById("goalWeightError").textContent="Goal should be below starting weight";return;}
var totalLoss=start-current;
var weeklyLoss=weeks>0?totalLoss/weeks:0;
var percentLost=start>0?(totalLoss/start)*100:0;
var totalCalDef=totalLoss*7700;
var remaining=current-goal;
if(remaining0?remaining/planned:0;
document.getElementById("primaryResult").textContent="Total weight lost: "+totalLoss.toFixed(2)+" kg";
document.getElementById("intermediate1").textContent="Average weekly loss: "+weeklyLoss.toFixed(2)+" kg/week over "+weeks+" weeks.";
document.getElementById("intermediate2").textContent="Progress: "+percentLost.toFixed(1)+"% of starting weight lost; remaining to goal: "+remaining.toFixed(2)+" kg.";
document.getElementById("intermediate3").textContent="Estimated total calorie deficit: "+Math.round(totalCalDef).toLocaleString()+" kcal; weeks to goal at planned pace: "+weeksToGoal.toFixed(1)+" weeks.";
document.getElementById("formulaNote").textContent="Formula: (Starting weight – Current weight) = total loss. Total loss / Weeks tracked = weekly loss. Total loss × 7700 kcal/kg = estimated calorie deficit.";
drawChart(start,current,goal,weeks,planned);
buildTable(start,current,goal,weeks,planned);
}
function resetInputs(){
document.getElementById("startWeight").value="92″;
document.getElementById("currentWeight").value="83.5″;
document.getElementById("goalWeight").value="78″;
document.getElementById("weeksElapsed").value="8″;
document.getElementById("plannedWeeklyLoss").value="0.7″;
var errors=document.getElementsByClassName("error");
for(var i=0;i<errors.length;i++){errors[i].textContent="";}
calculateTotals();
}
function copyResults(){
var text=document.getElementById("primaryResult").textContent+"\n"+document.getElementById("intermediate1").textContent+"\n"+document.getElementById("intermediate2").textContent+"\n"+document.getElementById("intermediate3").textContent+"\n"+document.getElementById("formulaNote").textContent;
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temp.select();
document.execCommand("copy");
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function drawChart(start,current,goal,weeks,planned){
var canvas=document.getElementById("progressChart");
var ctx=canvas.getContext("2d");
ctx.clearRect(0,0,canvas.width,canvas.height);
var padding=50;
var width=canvas.width-padding*2;
var height=canvas.height-padding*2;
var totalWeeks=Math.max(weeks,Math.ceil((current-goal)/planned)+weeks);
if(totalWeeks<4){totalWeeks=4;}
var actualPoints=[];
var targetPoints=[];
var actualSlope=(start-current)/weeks;
for(var w=0;w<=totalWeeks;w++){
var actualWeight;
if(w0){
targetWeight=start-(planned*w);
if(targetWeight<goal){targetWeight=goal;}
} else {
targetWeight=start;
}
actualPoints.push({week:w,weight:actualWeight});
targetPoints.push({week:w,weight:targetWeight});
}
var maxWeight=start;
var minWeight=goal;
var scaleX=width/totalWeeks;
var scaleY=height/(maxWeight-minWeight+0.0001);
function toCanvasX(week){return padding+week*scaleX;}
function toCanvasY(weight){return padding+height-(weight-minWeight)*scaleY;}
function drawLine(points,color){
ctx.beginPath();
for(var i=0;i<points.length;i++){
var p=points[i];
var x=toCanvasX(p.week);
var y=toCanvasY(p.weight);
if(i===0){ctx.moveTo(x,y);}else{ctx.lineTo(x,y);}
}
ctx.strokeStyle=color;
ctx.lineWidth=3;
ctx.stroke();
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ctx.strokeStyle="#c8d4e2";
ctx.lineWidth=1;
ctx.beginPath();
ctx.moveTo(padding,padding);
ctx.lineTo(padding,padding+height);
ctx.lineTo(padding+width,padding+height);
ctx.stroke();
ctx.fillStyle="#0d1a2b";
ctx.font="12px Arial";
ctx.fillText("kg",padding-30,padding+10);
ctx.fillText("weeks",padding+width-20,padding+height+30);
drawLine(actualPoints,"#004a99");
drawLine(targetPoints,"#28a745");
}
function buildTable(start,current,goal,weeks,planned){
var tbody=document.getElementById("tableBody");
tbody.innerHTML="";
var totalWeeks=Math.max(weeks,Math.ceil((current-goal)/planned)+weeks);
if(totalWeeks<4){totalWeeks=4;}
var runningLoss=0;
var prevWeight=start;
var weight=current;
for(var w=1;w<=totalWeeks;w++){
var projectedWeight;
if(w<=weeks){
projectedWeight=start-((start-current)/weeks)*w;
} else {
projectedWeight=current;
}
var targetWeight=start-planned*w;
if(targetWeight<goal){targetWeight=goal;}
var weeklyLoss=w===1?start-projectedWeight:prevWeight-projectedWeight;
if(weeklyLoss<0){weeklyLoss=0;}
runningLoss=start-projectedWeight;
prevWeight=projectedWeight;
var tr=document.createElement("tr");
var cells=[w.toString(),projectedWeight.toFixed(2),targetWeight.toFixed(2),weeklyLoss.toFixed(2),runningLoss.toFixed(2)];
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td.textContent=cells[i];
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