Enter your height and your select your sex from the drop-down menu to calculator your ideal waist size.

- Waist to Height Ratio Calculator / WHtR Calculator
- Waist to Hip Ratio Calculator
- Ideal Weight Calculator

## Ideal Waist Size Formula

The following formula can be used to approximate your ideal waist size.

IDW = H * .45 + F

- Where IDW is your ideal waist size
- H is your height
- F is a factor whether you are male or female.

## Ideal Waist Size Definition

Ideal waist size is defined as the ideal circumference of your waist based on your height to be considered healthy.

## Ideal Waist Size Example

How to calculate an ideal waist size?

**First, determine your height.**Measure height in inches or centimeters.

**Next, calculate your ideal waist size.**Using the calculator above, determine your ideal waist size.

## FAQ

**What is an ideal waist size?**

An ideal waist size is typically considered to be between 35% and 45% of your height.