Stop guessing and start measuring: find roll length and area in seconds. Track partial inventory easily and keep your stock organized with professional precision.
The Roll Calculator is the fastest way to measure and manage rolled material without unrolling a single inch. Whether you work with thin films, thick fabrics, or heavy industrial liners, this tool provides instant, high-precision calculations.

CORE FEATURES

- Dual Measurement Modes:
* Wrap Counter: Best for thick materials—just count the wraps for an instant result.
* Material Depth (Roll Wall Thickness): Best for thin materials or fabrics—simply measure the distance from the core to the edge to calculate length instantly.

- Inventory Lists: Save your calculations to the "My List" tab to track your partial roll stock in real-time.
- Material Templates: Save specs for your most-used materials to speed up future measurements.
- Area Coverage: Instantly convert roll length into total area (sqft/sqm) to ensure you have enough for the project.
Universal Units: Seamlessly switch between Imperial and Metric units.

PRO VERSION

- Multiple Lists
Multiple Material Template
Basic Material Template library presets
- Adds Weight on Calculator (using Density)
Custom Units Profiles. With custom Unit selections manager, including:

Length: mm, cm, m, in, ft, yd (plus an “inches fraction” display option)
Thickness: mm, in, mil, ga (gauge), um (micron), pt (points)
Weight: kg, lb, t (metric ton)
Density: g/cm³, kg/m³, lb/in³, oz/yd², g/m², GSM
Area: sqm, sq ft, MSI

- Fractions (e.g., 1 1/2”) entry

WHY USE ROLL CALCULATOR?

- No More Unrolling: Calculate length using wraps or material thickness.
-. Professional Inventory: Maintain an accurate digital log of your remaining stock.
- Versatile for Any Material: Perfect for vinyl, textiles, paper, flooring, film, and geomembranes.