Flawless Drapery Yardage
in Seconds. Not Hours.
The fail-safe workroom calculator built exclusively for US interior designers. Stop doing math, avoid costly fabric mistakes, and generate professional spec sheets instantly.
No credit card required. Cancel anytime.
Drapery Calculator
Enter your window specifications.
1. Window Dimensions
2. Fabric Specifications
Trusted by interior design studios across the US
Rated 5.0/5 by professional designers
"DraperyFlow saved me from a $1,200 fabric mistake last week. It caught a vertical repeat calculation issue I completely missed."
Sarah Jenkins
Principal Designer
"My workroom called to thank me for the new PDF spec sheets. Everything is crystal clear now, and they don't have to guess my handwriting."
Michael Rossi
Interior Architect
"I used to spend 40 minutes per window doing the math. Now it takes me 30 seconds on my iPad right while I'm at the client's house measuring."
Emily Chen
Studio Owner
One math error can cost you your entire markup.
Wasted Money
Ordered 2 yards less of that expensive silk? Pay for the replacement and shipping directly from your own pocket.
Wasted Time
Spending 40 minutes calculating just one window because of a complex vertical repeat and railroaded fabric? Time is money.
Workroom Confusion
Seamstress calling you three times a day because they can't decode your handwritten notes or missing hardware counts?
Show, Don't Tell.
Which spec sheet do you want to send to your workroom? Look like the professional you are.
Living Room Drop
Window: 100" ?
Fabric: 54", Rep: 24.5"
Length: 96 + 10 + 8 = 114?
14 yards?
Wait, maybe 16.5 yds??
Call Mary at the workroom to check.
Specification Sheet
Required Face Fabric
16.5 Yards
Built for interior designers & workrooms.
The "Fail-Safe" Calculator
Supports Drapery Panels & Roman Shades. Automatically calculates repeats, hems, and technical allowances strictly to US workroom standards.
Workroom-Ready PDFs
Generate beautiful, print-ready Work Orders in one click. Never send a confusing email or a messy napkin sketch again.
100% White-Label
Upload your studio logo, add detailed notes, and attach window or fabric photos. It’s YOUR professional document.
Priced less than half a yard of basic lining.
Simple, transparent pricing. Invest in your professionalism.
Pro Plan
- Unlimited Projects & Calculations
- Drapery & Roman Shades Logic
- Custom Logo PDF Export
- Hardware Estimation included
- Project Photo Uploads
14 days free. Cancel anytime.
Frequently Asked Questions
Ready to streamline your workroom orders?
Stop second-guessing your yardage. Start your 14-day free trial today and generate your first professional spec sheet in minutes.