Home Back

Fasson Roll Length Calculator

Fasson Roll Length Formula:

\[ Length = \frac{\pi \times (Outer^2 - Inner^2)}{4 \times Thickness} \]

cm
cm
mm

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Fasson Roll Length Calculation?

The Fasson roll length calculation determines how much material is wound on a roll based on the outer diameter, inner core diameter, and material thickness. This is essential for inventory management and production planning in label and packaging industries.

2. How Does the Calculator Work?

The calculator uses the standard roll length formula:

\[ Length = \frac{\pi \times (Outer^2 - Inner^2)}{4 \times Thickness} \]

Where:

Explanation: The formula calculates the cross-sectional area of the material and divides by the thickness to determine length.

3. Importance of Roll Length Calculation

Details: Accurate roll length calculation helps in production planning, inventory control, and estimating material requirements for jobs.

4. Using the Calculator

Tips: Measure outer diameter and inner core diameter in centimeters, and material thickness in millimeters. Ensure outer diameter is larger than inner diameter.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this calculation?
A: The calculation is mathematically precise if measurements are accurate. Real-world factors like material compression may cause slight variations.

Q2: Can this be used for any rolled material?
A: Yes, the formula works for any uniformly wound material (labels, films, papers) when you know the exact thickness.

Q3: Why convert thickness from mm to cm?
A: Since diameters are in cm, converting thickness to cm maintains consistent units in the calculation.

Q4: What if my material thickness varies?
A: Use an average thickness value. For materials with significant variation, multiple measurements may be needed.

Q5: How should I measure the diameters?
A: Measure across the center of the roll at the widest point, using calipers for most accuracy.

Fasson Roll Length Calculator© - All Rights Reserved 2025