Calculo Peso Papel

Calculating paper weight is essential for printing, packaging, and manufacturing. This guide explains how to determine paper weight accurately using our calculator and formula.

What is Paper Weight?

Paper weight refers to the mass of paper per unit area. It's measured in grams per square meter (g/m²) or pounds per ream (lbs/ream). Paper weight affects print quality, durability, and cost.

Common paper weights range from 50 g/m² for lightweight tissue paper to 200 g/m² for standard office paper and up to 300 g/m² for heavy cardstock.

How to Calculate Paper Weight

To calculate paper weight, you need to know the paper's thickness and density. The formula accounts for the paper's volume and mass:

Paper Weight (g/m²) = (Paper Thickness (mm) × Paper Density (g/cm³)) × 1000

For example, a paper with 0.1mm thickness and 0.8g/cm³ density would have a weight of 80 g/m².

Paper Weight Formula

The formula for calculating paper weight is:

Paper Weight (g/m²) = (Thickness × Density) × 1000

Where:

Thickness is the paper's height in millimeters (mm)
Density is the paper's mass per unit volume in grams per cubic centimeter (g/cm³)

The multiplication by 1000 converts the result from grams per square centimeter (g/cm²) to grams per square meter (g/m²).

Paper Weight Units

Paper weight is commonly measured in:

Grams per square meter (g/m²) - Standard metric unit
Pounds per ream (lbs/ream) - Common in North America
Baudwidth (BW) - Used in Europe for paper thickness

Conversion between units depends on the paper's dimensions and density.

Paper Weight Chart

Here's a chart showing common paper types and their typical weights:

Paper Type	Weight (g/m²)	Common Uses
Tissue Paper	50-80	Toilet paper, facial tissues
Printer Paper	75-90	Office printing
Cardboard	200-300	Packaging, boxes
Art Paper	90-150	Drawing, painting
Heavy Cardstock	250-300	Invitations, certificates

FAQ

What is the difference between paper weight and thickness?: Paper weight measures mass per area, while thickness measures the paper's height. Thicker paper may not always be heavier if it has a lower density.
How does paper weight affect printing?: Heavier paper can handle more ink and provides better print quality, but it may require more ink and increase printing costs.
Can I calculate paper weight without knowing the density?: No, the density is a fundamental property of the paper material and must be known or estimated for accurate calculations.
What is the standard paper weight for office use?: Standard office paper typically weighs between 75-90 g/m², which is suitable for most printing needs.
How do I measure paper thickness accurately?: Use a digital caliper or micrometer to measure the paper's thickness in millimeters for precise calculations.