Waist Size Converter

Convert waist size between inches, centimeters, pants size, belt size, US size estimates, UK size estimates, EU size estimates, and general clothing size references for pants, jeans, belts, skirts, and apparel sizing.

Convert Waist Size

34 inch waist = 86.36 cm
Your waist size conversion result will appear here.

Common waist size conversions

Inches to centimeters:
cm = inches × 2.54

Centimeters to inches:
inches = cm ÷ 2.54

Waist to belt size:
belt size ≈ waist + 2 inches

Belt to waist size:
waist size ≈ belt size - 2 inches

Where waist size conversions are used

Waist size conversions are useful for pants, jeans, belts, skirts, shorts, dresses, uniforms, workwear, athletic wear, international clothing charts, tailoring, online shopping, and inch-to-centimeter measurement comparisons.

Use this converter as an estimate, then compare the result with the brand’s official size chart.

What your waist size result means

Your result shows the entered waist, pants, belt, or clothing size converted into the selected size reference. The converter also displays waist size in inches, waist size in centimeters, pants size estimate, belt size estimate, women’s numeric size estimate, EU estimate, and general letter size.

Waist sizing can vary by brand, rise, stretch, cut, fabric, shrinkage, garment type, and whether the item is slim, regular, relaxed, high-rise, low-rise, fitted, or oversized.

Waist size converter tips

Frequently asked questions

How do I convert waist inches to centimeters?

Multiply waist inches by 2.54. For example, a 34 inch waist is 86.36 centimeters.

How do I convert waist centimeters to inches?

Divide centimeters by 2.54. For example, an 86 cm waist is about 33.86 inches.

What belt size do I need for my waist?

A common estimate is to add about 2 inches to your waist or pants size. For example, a 34 inch waist often uses a 36 inch belt.

Is pants size the same as waist size?

For many men’s pants and jeans, the first number is the waist size in inches. Women’s numeric sizes vary more by brand.

Are waist size conversions exact?

No. Waist size conversions are estimates because brand sizing, fabric stretch, rise, cut, and fit preferences can vary.