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C Channel Weight Calculator


Our handy C-channel weight calculator makes it quick and easy to calculate the per foot, per meter, or total weight of C-channels in various materials.

Please refer to the user guide below the calculator for any technical guidance. We’ve also included a helpful tutorial if you’d prefer to calculate the weight of a C-channel manually and handy weight charts for common UPN and ISMC channels.

C Channel Weight Calculator:
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Total Weight = 0.00 lbs / 0.00 kg
Disclaimer: The weights shown in the above calculator are for guidance only and should not form the basis of any calculations where precise or accurate information is required. It isn’t uncommon for theoretical metal weights and densities to vary considerably from actual weights and densities, for example, due to differences in manufacturing processes and material compositions. Therefore, you should obtain relevant, accurate information from manufacturers if exact weight calculations are required.

How to Use the C Channel Weight Calculator

  1. The first step is choosing the material used for the C channel(s) in your calculation, and you can choose this via the ‘Channel Material’ dropdown in box (1).

    The ‘Density’ box will automatically be populated based on the material type you choose.

    You can update the ‘Density’ figure if needed, although we’ve based the figure used for each material on industry guidance.

  2. You can change how many C channels you include in your calculation by updating the ‘Quantity’ dropdown in box (1).
  3. You’ll need to enter various dimensions for your calculation including ‘Length’, ‘Width’, ‘Height’, and ‘Thickness’.

    You can select the relevant units for each measurement using the ‘Unit’ dropdowns, including millimeters, centimeters, meters, inches, and feet.

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    Note: If you choose ‘inch’ as a unit, you’ll need to use either whole or decimal numbers instead of fractions. For example, 0.25 instead of 1/4.

    We’ve included a handy conversion table of standard material dimensions that you can use in the channel weight calculator. Click the button below to view the table:


    • C Channel Weight Calculator – Inch to Decimal Conversion Table
      1/8 0.125 1-9/16 1.5625 3-5/8 3.625
      5/32 0.15625 1-5/8 1.625 3-11/16 3.6875
      3/16 0.1875 1-11/16 1.6875 3-3/4 3.75
      7/32 0.21875 1-3/4 1.75 3-13/16 3.8125
      1/4 0.25 1-13/16 1.8125 3-7/8 3.875
      9/32 0.28125 1-7/8 1.875 3-15/16 3.9375
      5/16 0.1325 1-15/16 1.9375 4 4.00
      11/32 0.34375 2 2.00 4-1/8 4.125
      3/8 0.375 2-1/16 2.0625 4-3/16 4.1875
      13/32 0.40625 2-1/8 2.125 4-1/4 4.25
      7/16 0.4375 2-3/16 2.1875 4-5/16 4.3125
      15/16 0.9375 2-1/4 2.25 4-3/8 4.375
      1/2 0.5 2-5/16 2.3125 4-7/16 4.4375
      17/32 0.53125 2-3/8 2.375 4-1/2 4.50
      9/16 0.5625 2-7/16 2.4375 4-9/16 4.5625
      19/32 0.59375 2-1/2 2.50 4-5/8 4.625
      5/8 0.625 2-9/16 2.5625 4-11/16 4.6875
      11/16 0.6875 2-5/8 2.625 5 5.00
      3/4 0.75 2-11/16 2.6875 5-1/16 5.0625
      13/16 0.8125 2-3/4 2.75 5-1/8 5.125
      7/8 0.875 2-7/8 2.875 5-3/16 5.1875
      13/16 0.8125 2-15/16 2.9375 5-1/4 5.25
      15/16 0.9375 3 3.00 5-3/8 5.375
      1 1.00 3-1/16 3.0625 5-7/16 5.4375
      1-1/16 1.0625 3-1/8 3.125 5-1/2 5.50
      1-1/8 1.125 3-3/16 3.1875 5-5/8 5.625
      1-3/16 1.1875 3-1/4 3.25 5-3/4 5.75
      1-1/4 1.25 3-5/16 3.3125 5-7/8 5.875
      1-5/16 1.3125 3-3/8 3.375 5-15/16 5.9375
      1-3/8 1.375 3-7/16 3.4375 6 6.00
      1-7/16 1.4375 3-1/2 3.50    
      1-1/2 1.50 3-9/16 3.5625
  4. Use the ‘Calculate’ button to complete your calculation, or the ‘Reset’ button to reset the channel weight calculator if you want to start over.

How to Calculate C Channel Weight

Don’t feel like using the handy calculator above? Here’s how to manually calculate the weight of C channel:

How to Calculate the Weight of C Channel

You’ll first need to calculate the volume of the C-channel, and you can do so via the following equation:

V = (W x L x T) + 2 x ((H – T) x L x T)

The above C-channel weight formula consists of the following elements:

V = Volume

W = The width of the C channel

L = The length of the C channel

H = The height of the C channel

T = The C channel’s thickness

Let’s work through an example of a mild steel C channel that has a length of 2000mm, a width of 200m, a height of 100m and a thickness of 10mm.

We’ll be using a density of 7850 kg/m3 for the mild steel in our calculation, and so we need to convert the dimensions above into meters. The length becomes 2.0m, the width 0.2m, the height 0.1m, and finally, the thickness will be 0.010m for the calculation.

Here’s an overview of how the C-channel volume calculation works in the case of this example:

Volume = (0.2 x 2 x 0.01) + 2 x ((0.1 – 0.01) x 2 x 0.01)
Volume = 0.0076m3

Mild Steel Density = 7850 kg/m3

If we multiply the 0.0076m3 volume figure by the 7850 kg/m3 density figure, we end up with a weight of 59.66 kg or 131.53 lbs.


UPN Channel Weight Chart

Manufactured under EN 10365, UPN channels have tolerances as set out in EN 10279:2000.

There are various sizes of UPN channels available, and they’re typically manufactured from stainless steel.

Here’s a summary of the various sizes and estimated weights of UPN channels:

UPN Channel Weight Chart
UPN Channel Type Width Height Base Thickness Leg Thickness Material Estimated Channel Weight Per Meter
UPN 20x10x3 20 mm 10 mm 3 mm 3.5 mm Type 304 Stainless Steel 0.90 kg
UPN 30x15x4 30 mm 15 mm 4 mm 4.5 mm Type 304 Stainless Steel 1.79 kg
UPN 30x15x4 30 mm 15 mm 4 mm 4.5 mm Type 304 Stainless Steel 1.78 kg
UPN 30x33x5 30 mm 33 mm 5 mm 7 mm Type 304 Stainless Steel 4.38 kg
UPN 40x20x3 40 mm 20 mm 3 mm 3.3 mm Type 304 Stainless Steel 1.84 kg
UPN 40x20x3 40 mm 20 mm 3 mm 3.5 mm Type 304 Stainless Steel 1.93 kg
UPN 40x20x4 40 mm 20 mm 4 mm 4.5 mm Type 304 Stainless Steel 2.44 kg
UPN 40x20x4 40 mm 20 mm 4 mm 4.5 mm Type 304 Stainless Steel 2.45 kg
UPN 40x35x5 40 mm 35 mm 5 mm 7 mm Type 304 Stainless Steel 4.99 kg
UPN 40x35x5 40 mm 35 mm 5 mm 7 mm Type 304 Stainless Steel 4.98 kg
UPN 50x25x5 50 mm 25 mm 5 mm 6 mm Type 304 Stainless Steel 3.91 kg
UPN 50x25x5 50 mm 25 mm 5 mm 6 mm Type 304 Stainless Steel 3.93 kg
UPN 50 50 mm 38 mm 5 mm 7 mm Type 304 Stainless Steel 5.61 kg
UPN 50 50 mm 38 mm 5 mm 7 mm Type 304 Stainless Steel 5.72 kg
UPN 60x30x6 60 mm 30 mm 6 mm 6 mm Type 304 Stainless Steel 5.17 kg
UPN 60x30x6 60 mm 30 mm 6 mm 6 mm Type 304 Stainless Steel 5.20 kg
UPN 65 65 mm 42 mm 5.5 mm 7.5 mm Type 304 Stainless Steel 7.12 kg
UPN 65 65 mm 42 mm 5.5 mm 7.5 mm Type 304 Stainless Steel 7.26 kg
UPN 80 80 mm 45 mm 6 mm 8 mm Type 304 Stainless Steel 8.69 kg
UPN 80 80 mm 45 mm 6 mm 8 mm Type 304 Stainless Steel 8.86 kg
UPN 100 100 mm 50 mm 6 mm 8.5 mm Type 304 Stainless Steel 10.62 kg
UPN 100 100 mm 50 mm 6 mm 8.5 mm Type 304 Stainless Steel 10.82 kg
UPN 120 120 mm 55 mm 7 mm 9 mm Type 304 Stainless Steel 13.41 kg
UPN 120 120 mm 55 mm 7 mm 9 mm Type 304 Stainless Steel 13.66 kg
UPN 140 140 mm 60 mm 7 mm 10 mm Type 304 Stainless Steel 16.10 kg
UPN 140 140 mm 60 mm 7 mm 10 mm Type 304 Stainless Steel 16.34 kg
UPN 160 160 mm 65 mm 7.5 mm 10.5 mm Type 304 Stainless Steel 18.97 kg
UPN 160 160 mm 65 mm 7.5 mm 10.5 mm Type 304 Stainless Steel 19.28 kg
UPN 180 180 mm 70 mm 8 mm 11 mm Type 304 Stainless Steel 22.11 kg
UPN 180 180 mm 70 mm 8 mm 11 mm Type 304 Stainless Steel 22.46 kg
UPN 200 200 mm 75 mm 8.5 mm 11.5 mm Type 304 Stainless Steel 25.86 kg
UPN 200 200 mm 75 mm 8.5 mm 11.5 mm Type 304 Stainless Steel 25.87 kg
UPN 220 220 mm 80 mm 9 mm 12.5 mm Type 304 Stainless Steel 30.06 kg
UPN 240 240 mm 85 mm 9.5 mm 13 mm Type 304 Stainless Steel 33.97 kg
UPN 260 260 mm 90 mm 10 mm 14 mm Type 304 Stainless Steel 38.76 kg
UPN 280 280 mm 95 mm 10 mm 15 mm Type 304 Stainless Steel 42.82 kg
UPN 300 300 mm 100 mm 10 mm 16 mm Type 304 Stainless Steel 47.06 kg
UPN 320 320 mm 100 mm 14 mm 17.5 mm Type 304 Stainless Steel 59.96 kg
UPN 350 350 mm 100 mm 14 mm 16 mm Type 304 Stainless Steel 61.24 kg
UPN 380 380 mm 102 mm 13.5 mm 16 mm Type 304 Stainless Steel 63.72 kg
UPN 400 400 mm 110 mm 14 mm 18 mm Type 304 Stainless Steel 72.49 kg

ISMC Channel Weight Chart

ISMC, or Indian Standard Medium Weight Channels, are typically manufactured under ISI specification IS:2062-2006.

Usually manufactured from mild steel, there are various sizes of ISMC channels available.

Here’s a summary of the various sizes and estimated weights of ISMC channels:

ISMC Channel Weight Chart
ISMC Channel Type Flange (Base) Width Web (Leg) Height Thickness Material Estimated Channel Weight Per Meter
ISMC 75 75 mm 40 mm 4.8 mm Mild Steel 7.16 kg
ISMC 100 100 mm 50 mm 5.0 mm Mild Steel 9.58 kg
ISMC 125 125 mm 65 mm 5.3 mm Mild Steel 13.12 kg
ISMC 150 150 mm 75 mm 5.7 mm Mild Steel 16.84 kg
ISMC 200 200 mm 75 mm 6.2 mm Mild Steel 22.33 kg
ISMC 250 250 mm 82 mm 9.0 mm Mild Steel 34.25 kg
ISMC 300 300 mm 90 mm 7.8 mm Mild Steel 36.36 kg
ISMC 400 400 mm 100 mm 8.8 mm Mild Steel 50.12 kg

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