Belt Size Calculator
Convert your waist or pant measurement into an ideal belt size with guidance for different fits and hole spacing standards.
Recommended Belt Size
35.0 in
89 cm
Hole Range
Fits waist from 33.0" to 37.0"
(center hole at 35.0")
General Size
L / 90 cm
How to Use This Calculator
Measure your waist or hip position
Use a flexible tape measure where the belt will sit—around your jeans waistband, natural waist, or hips.
Choose your preferred fit
Snug adds 1", classic adds 2", casual adds 3", and roomy adds 4" to your waist measurement.
Review hole spacing and coverage
Most belts have 1" hole spacing with the middle hole as the target. Adjust settings if your belt uses different spacing.
Formula
Belt Size = Waist Measurement + Fit Adjustment
Fit adjustments: Snug +1", Classic +2", Casual +3", Roomy +4"
Hole range: Center hole ± (Hole Spacing × Holes on Each Side)
Example: Waist 33", classic fit → Belt = 35" (89 cm). With 2 holes each side @ 1" spacing, range = 33" – 37".
About the Belt Size Calculator
Belt sizes can be confusing because they use different standards than waist sizes. This calculator translates your body measurement into belt length, including fit preference and hole spacing, so you can order the right size every time.
When to Use This Calculator
- Online shopping: Convert jeans waist or natural waist measurement to belt size.
- Gift buying: Estimate belt size when you only know someone’s pant size.
- Leatherworking: Plan hole placements and strap length for custom belts.
- Wardrobe planning: Keep notes on belt sizes aligned with your changing measurements.
Why Use Our Calculator?
- ✅ Clear output: Shows recommended belt length in inches and centimeters.
- ✅ Fit options: Choose snug, classic, casual, or roomy preferences.
- ✅ Hole planning: Custom hole spacing and counts for leather crafters.
- ✅ Mobile friendly: Runs on phones for shopping trips.
Common Applications
Fashion shoppers: Avoid returns caused by mislabeled belts.
Leather artisans: Determine strap length and hole layout for bespoke belts.
Fitness enthusiasts: Adjust belt size as weight fluctuates.
Tips for Best Results
- Measure over the clothing you’ll wear with the belt for accuracy.
- When in doubt, size up—many belts can be shortened by removing a buckle screw.
- Pant sizes can differ by brand; tape-measured waist is more reliable.
- For drop belts or hip styles, measure lower on the hips where the belt will sit.
Frequently Asked Questions
Why is belt size larger than pant size?
Belt size wraps around extra fabric, belt layers, and the buckle. Adding 1–2 inches ensures the middle hole is centered when worn.
What if my belt uses centimeter sizes?
The calculator displays both inches and centimeters. Order the closest centimeter size based on the recommended belt length.
How many holes should I include?
Most belts have five holes, with the middle hole at the recommended measurement and two holes on either side spaced 1 inch apart.
Can I use this for weightlifting belts?
Yes. Measure your waist at the height where you wear the belt and select a snug fit to ensure proper support.