Weight-Loss Percentage Calculator

The formula for weight loss percentage is: ((Start Weight - Current Weight) / Start Weight) * 100. Our calculator automates this process for you.

Yes, this tool is 100% free to use. There are no hidden fees, sign-ups, or subscriptions required.

Tracking your weight loss as a percentage provides a consistent and motivational measure of progress, regardless of your starting weight.

Track your progress in seconds. See how far you’ve come on your journey.

Measurement Unit

Start Weight

Current Weight

Your result will appear here

How This Tool Works

This tool calculates the percentage of weight you've lost... (content)

How do you calculate weight loss percentage?▶

The formula is... (content)

Is this weight loss calculator free to use?▶

Yes, this tool is 100% free... (content)

Why is tracking weight loss percentage useful?▶

Tracking your weight loss as a percentage... (content)

This tool is for informational purposes only... (content)