Honest personal assessment tools

Whether you’re just now thinking about losing weight, or you’re well on your way, it’s important to know where you stand. That’s why we offer these quick self-assessments.

What’s your BMI?

Use this calculator to find out what your Body Mass Index can tell you about your health and well-being.

BMI Calculator

What’s your healthy weight range?

Discover a healthy weight range for your height and weight.

Healthy Weight Ranges

Are you ready to commit to losing weight?

Take this self-assessment to learn if you understand what it takes to lose weight.

Assess your readiness

A healthy - and holistic - way to lose weight

Four Pillars of our science-based approach: behavior, support, exercise, food

Weight Watchers developed the "four pillars of healthy weight loss" based on years of scientific research and analysis. And our 45 years of experience helping people lose weight has taught us that each element is equally important.

How they knew they were ready

“I knew the moment my grandson was born. I wanted to be able to run, play ball and ride bikes with him.”
--Lisa

“I was 27, too young to be out of breath after going up a flight of stairs.”
--Michelle