Size Curve Calculator (Excel)

Stop Selling Out of Your Best Sizes (and Getting Stuck with the Rest)

Stock the right size ratios, eliminate broken inventory, and maximize your studio’s retail profitability with a smarter, data-driven approach.

This tool is designed to help you stop guessing your size curves and start buying with confidence so you can maintain full size runs longer, improve sell-through, and protect your margins from day one.

Inside, you’ll get a built-in Size Curve Calculator that instantly determines the exact unit distribution by size based on your total order quantity and ratio inputs. Simply enter your inputs into the highlighted cells and the system handles the rest—no manual calculations, no second guessing, and no costly size mistakes.

Built from real-world merchandising and sales strategy experience, this tool is designed to help studio owners avoid overstocking fringe sizes, stay in stock on best sellers, and turn retail into a true revenue driver.

Built for:

• Yoga, Pilates, and any fitness concept studio

• Boutique owners

• Studio managers running retail

• Buyers

Format:

Excel (.xlsx)

Fully editable

Instant digital download