Roll Weight Calculator

Quickly estimate roll weights with our roll weight calculator. Perfect for paper, label, fabric, film, tape, and other industries.

Paper Roll Weight Calculator(Method #1)

Result:
0.00 g
Formula: Weight = Width × Length × GSM

Where Width (mm), Length (meters), GSM (g/m²)

Paper Roll Weight Calculator (Method #2)

Result:
0.00 g
Formula: Weight = W × (D² - d²) × 0.785 ÷ T × G ÷ 1000

Please note that:

  1. These formulas calculate only the weight of the paper roll. They do not include the weight of the plastic or paper cores and cartons.
  2. Each roll’s weight will vary due to tolerances in roll length and GSM.
  3. The best way to obtain the weight of a paper roll is to weigh several rolls and calculate the average.

How to Use?

Example 1: 80mm x 80 meters Thermal Paper Roll

For the popular 80mm x 80 meters 48gsm thermal cash register roll, we can use method #1 and input the values below:

  • Roll Width (W): 80 mm
  • Roll Length (L): 80 m
  • Paper GSM: 48 g/m²
Weight = W × L × GSM = 0.08m × 80m × 48 g/m² = 307 g (approx.)

So the weight of an 80mm × 80 meter 48gsm roll is about 307 grams, which is very close to its actual weight (excluding the core).

Example 2: 57mm x 40mm Thermal Paper Roll

For the other popular 57mm x 40mm 55gsm credit card paper roll, we can use method #2 and input the following:

  • Roll Width (W): 57 mm
  • Roll Diameter (D): 40 mm
  • Core Diameter (C): 17 mm
  • GSM: 55 g/m²
  • Thickness: 62 μm
Weight = W × (D² – d²) × 0.785 / T × G = 0.057 × (0.040² − 0.017²) × 0.785 / 0.000062 × 55 = 52 grams per roll

Why Do We Need to Know Paper Roll Weight?

Knowing the weight of one carton of paper rolls is particularly useful when you are planning container shipments in overseas importing or logistics arrangements in e-commerce businesses, since the weight data often determines freight costs and other related charges.

How It Works?

Step 1: Understand Paper GSM

GSM, or grammage, means grams per square meter of paper. It measures how heavy one square meter of paper is. For example, 55 GSM means that one square meter of paper (measuring 1m × 1m) weighs 55 grams. The higher the GSM, the heavier the paper.

Step 2: Calculate the Square Area of the Paper

A paper roll is essentially one long rectangular sheet wound on a core, so we can get the area of the paper sheet by multiplying its width by its unrolled length:

paper roll rolled and unrolled

Area = Width × Length

Let’s say, if your roll is 80mm wide and 60 meters long, the area is: 0.08 m × 60 m = 4.8 m².

Don’t know the length of the paper roll? No worries. Learn how to calculate paper roll length or use our free paper roll length calculator.

Step 3: Multiply by GSM

Now, we can multiply the area by the grammage to get the roll’s weight:

Weight = Area × GSM

If GSM = 55, then: 4.8 m² × 55 g/m² = 264 g. That means the 80mm × 60m paper roll weighs about 264 grams (not counting the core).

So, The Formula to Calculate A Paper Roll’s Weight is:

Paper Roll Weight = W × L × GSM

where:

  • Weight – total weight of the paper roll
  • W – width of the paper roll
  • L – length of the paper roll
  • GSM – grams per square meter