Weight Loss Percentage Calculator

Calculate exactly how many pounds you've lost and your weight loss percentage instantly

Quick Example

See how it works: If you started at 200 lbs and now weigh 180 lbs

20 lbs
Pounds Lost
10%
Weight Loss

Try it yourself below with your own numbers!

Calculate Your Weight Loss

Kilograms (kg)
Pounds (lbs)
0%
0% Goal: 10%

Instant Results

See exactly how many pounds you've lost and your percentage in seconds

Any Unit

Works with pounds (lbs) or kilograms (kg) - your choice

100% Private

Your data never leaves your device - no registration required

Frequently Asked Questions

How do I calculate my weight loss percentage?
Use our calculator above or the formula: (Starting Weight - Current Weight) ÷ Starting Weight × 100. For example: Starting 200 lbs, Current 180 lbs = 20 pounds lost (10%).
How many pounds have I lost?
Enter your starting and current weight above to see exactly how many pounds you've lost. The calculator shows both total pounds lost and weight loss percentage instantly.
Is this weight loss percentage calculator free?
Yes! Our weight loss calculator is completely free with no registration required. Calculate pounds lost and weight loss percentage instantly with no hidden costs.
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