Enter the weight of the paper in grams per square meter (GSM) and the density of the paper (D) into the calculator to determine the thickness of the paper (T). This calculator can also evaluate any of the variables given the others are known.

GSM to MM Calculator

Enter any 2 values to calculate the missing variable

GSM ↔ Thickness (mm) Conversion Table (Density = 0.80 g/cm³)
GSM to Thickness Thickness to GSM
60 gsm = 0.0750 mm0.050 mm = 40 gsm
70 gsm = 0.0875 mm0.080 mm = 64 gsm
80 gsm = 0.1000 mm0.090 mm = 72 gsm
90 gsm = 0.1125 mm0.110 mm = 88 gsm
100 gsm = 0.1250 mm0.140 mm = 112 gsm
120 gsm = 0.1500 mm0.180 mm = 144 gsm
130 gsm = 0.1625 mm0.200 mm = 160 gsm
150 gsm = 0.1875 mm0.240 mm = 192 gsm
200 gsm = 0.2500 mm0.300 mm = 240 gsm
250 gsm = 0.3125 mm0.400 mm = 320 gsm
Formulas (using density in g/cm³): Thickness (mm) = GSM ÷ (Density × 1000) and GSM = Density × 1000 × Thickness (mm).
GSM ↔ Thickness (mm) Conversion Table (Density = 1.00 g/cm³)
GSM to Thickness Thickness to GSM
30 gsm = 0.0300 mm0.010 mm = 10 gsm
50 gsm = 0.0500 mm0.012 mm = 12 gsm
75 gsm = 0.0750 mm0.020 mm = 20 gsm
100 gsm = 0.1000 mm0.025 mm = 25 gsm
150 gsm = 0.1500 mm0.040 mm = 40 gsm
200 gsm = 0.2000 mm0.060 mm = 60 gsm
250 gsm = 0.2500 mm0.080 mm = 80 gsm
300 gsm = 0.3000 mm0.125 mm = 125 gsm
400 gsm = 0.4000 mm0.175 mm = 175 gsm
500 gsm = 0.5000 mm0.225 mm = 225 gsm
Formulas (using density in g/cm³): Thickness (mm) = GSM ÷ (Density × 1000) and GSM = Density × 1000 × Thickness (mm).

Related Calculators

Gsm To Mm Formula

The following formula is used to calculate the thickness of paper in millimeters (MM) from its weight in grams per square meter (GSM).

T = (GSM / D) * 0.001

Variables:

  • T is the thickness of the paper (MM)
  • GSM is the weight of the paper in grams per square meter (GSM)
  • D is the density of the paper (g/cm³)

To calculate the thickness of the paper, divide the weight of the paper (GSM) by its density (D). Then, multiply the result by 0.001 to convert the unit from meters to millimeters.

What is a Gsm To Mm?

GSM to MM refers to the conversion from grams per square meter (GSM) to millimeters (MM). GSM is a metric used to measure the weight and thickness of paper, while MM is a unit used to measure length or thickness. The conversion is often used in the paper industry to determine the thickness of paper or other materials. However, the conversion is not straightforward as it also depends on the density of the material.