Professional Costume & Cosplay Calculators
Accurate calculations for fabric, foam, scaling & costs
Built for makers, by makers. Get precise measurements for your next costume, prop, or sewing project. Save money and time with expert tools.
Fabric Yardage
Calculate exact fabric needs for dresses, skirts, cloaks, and more. Adjusts for fabric width and pattern complexity.
EVA Foam Sheet
Calculate how many foam sheets you need for armor and props. Estimates waste and recommends thickness.
Cape & Cloak
Calculate length and yardage for any cape style. Supports hooded, collared, and full-circle cloaks.
Fabric Cost
Budget your project costs including fabric, lining, and waste. Get a full cost breakdown for your build.
Pattern Scaling
Calculate exact print scaling percentages for patterns. Adjust for your body measurements and print DPI.
Why Accurate Calculations Matter
Save Fabric & Money
Fabric is expensive. Under-buying stalls your project, and over-buying wastes money. Our yardage tools ensure you buy exactly what you need.
Perfect Scaling
Whether you're 5'2" or 6'4", scaling patterns correctly is the difference between a costume that fits and one that doesn't.
Budge Planning
Know the cost of your materials before you start. Estimate fabric, foam, and findings to keep your project on budget.
Built for Costume Makers & Cosplayers
Standard Fabric Widths
Support for 45", 54", and 60" fabric widths
Imperial & Metric
Switch between inches/yards and cm/meters instantly
Free Forever
No ads, no sign-up, no hidden fees
Mobile Friendly
Calculate fabric needs while standing in the fabric store
Mastering the Craft: The Importance of Precision in Costume Design
Creating a high-quality costume or cosplay is a labor of love that combines artistry with technical precision. While the creative vision drives the project, the underlying math—yardage requirements, scaling percentages, and material costs—is what makes it feasible. For many makers, estimating fabric needs or scaling a pattern for their specific body type is a major source of stress. Our mission is to eliminate that guesswork, providing data-driven tools that help you focus on the creative side of making.
Precision Pattern Scaling
One of the biggest challenges in cosplay is taking a digital pattern or a commercial sewing pattern and making it fit your unique proportions. A "one size fits most" approach rarely works for complex armor or fitted garments. Our scaling tools help you calculate exact percentages based on your own body measurements, ensuring that every piece of your costume looks like it was made specifically for you. This not only improves the final look but also prevents the frustration of having to remake parts that don't fit.
Optimizing Fabric & Material Usage
Materials like high-quality silk, specialized faux furs, or dense EVA foam can be incredibly expensive. Miscalculating your needs by even a small margin can lead to costly waste or, even worse, running out of a discontinued fabric in the middle of a build. By using our yardage and foam calculators, you can plan your layouts more effectively. We take into account fabric width, pattern complexity, and seam allowances to give you a more accurate estimate than generic "rule of thumb" charts.
Budgeting for Success
The cost of a complex build can quickly spiral out of control if not properly tracked. Our cost calculator allows you to input every component of your build—from the main fabric to the smallest findings and zippers. This holistic view of your project's finances helps you make informed decisions about where to splurge and where to save, ensuring that your dream costume stays within your financial reach.
Expert-Grade Tools for Every Maker
Whether you're a professional costume designer for theater or a first-time cosplayer preparing for a local convention, having access to accurate tools is essential. Our calculators are designed to be intuitive and accessible, yet powerful enough to handle complex calculations. By providing these resources for free, we aim to empower the global maker community to create more, waste less, and achieve higher levels of craftsmanship in every project.