Snow can be a beautiful and peaceful sight, but it can also be a weighty and dangerous one. Have you ever wondered how much weight your roof can bear before buckling under the pressure of heavy snow? Or, are you a builder or engineer who needs to consider snow loads when designing a structure? This is where our Snow Load Weight Calculator comes in handy. With just a few simple measurements and inputs, this user-friendly tool can calculate the expected snow load on any roof or structure. Keep your home, business, or construction project safe from potential damage by accurately assessing the snow load with our easy-to-use calculator. Let's get started!

Calculate the weight of snow load on a structure

m2
kg/m3
cm
kg
Roof Type:Select Roof Type
Roof Area:0
Snow Density:0
Snow Depth:0
Snow Weight:0

Estimate the weight of snow on your roof with our snow load weight calculator. To learn more about snow water equivalents, check out our snow water equivalent calculator.

## How to Use the Snow Load Weight Calculator

The Snow Load Weight Calculator is a useful tool for determining the weight of snow load on a structure. It takes into account factors such as roof type, roof area, snow density, snow depth, and snow weight to provide an accurate estimation of the snow load weight. This calculator is particularly relevant for regions that experience heavy snowfall, as it helps assess the potential load that the structure needs to withstand.

## Instructions for Utilizing the Calculator

• Select Roof Type: Choose the appropriate roof type from the provided options. You can select either Flat Roof or Pitched Roof, depending on the design of the structure.
• Roof Area: Enter the area of the roof in square meters (m²). This value represents the total surface area of the roof that is exposed to the snow load.
• Snow Density: Input the density of the snow in kilograms per cubic meter (kg/m³). Snow density refers to the mass of snow per unit volume and can vary depending on factors such as temperature and moisture content.
• Snow Depth: Specify the depth of the snow accumulation on the roof in centimeters (cm). This measurement represents the vertical height of the snow on the roof's surface.
• Snow Weight: Enter the weight of the existing snow on the roof in kilograms (kg). If there is no snow present, you can enter 0.
• Calculate Snow Load Weight: Click on the Calculate Snow Load Weight button to obtain the results.

## Snow Load Weight Calculator Formula

The formula used in the Snow Load Weight Calculator depends on the selected roof type:

• For a flat roof, the formula is:

Snow Load Weight = (Roof Area * Snow Density * Snow Depth / 1000) + Snow Weight

• For a pitched roof, the formula is:

Snow Load Weight = ((0.7 + 0.3 * cos(pitch * π / 180)) * Roof Area * Snow Density * Snow Depth / 1000) + Snow Weight

In this formula, pitch represents the angle of the roof pitch in degrees.

The calculated snow load weight takes into account the snow density, depth, and existing snow weight to provide an estimation of the total load exerted by the snow on the structure.

## Illustrative Examples

Let's consider a couple of examples to demonstrate the application of the Snow Load Weight Calculator:

1. Example 1:
• Roof Type: Flat Roof
• Roof Area: 100 m²
• Snow Density: 200 kg/m³
• Snow Depth: 30 cm
• Snow Weight: 500 kg

After inputting these values and calculating the snow load weight, the result shows a snow load weight of 6,500 kg. This indicates that the snow on the flat roof exerts a total weight of 6,500 kg.

1. Example 2:
• Roof Type: Pitched Roof
• Roof Area: 150 m²
• Snow Density: 150 kg/m³
• Snow Depth: 40 cm
• Snow Weight: 800 kg

For this example, the calculated snow load weight is 12,690 kg. It indicates that the snow on the pitched roof exerts a total weight of 12,690 kg.

These examples showcase how the Snow Load Weight Calculator considers various parameters to provide accurate estimations of the snow load weight on different roof types.

Illustrative Table Example

Here is an illustrative table showcasing multiple rows of example data and their corresponding snow load weight calculations using the Snow Load Weight Calculator:

Roof Type

Roof Area (m²)

Snow Density (kg/m³)

Snow Depth (cm)

Snow Weight (kg)

Flat Roof80250203005,000
Pitched Roof120180356009,780
Flat Roof150210255005,875

This table demonstrates how different input parameters can lead to varied snow load weight calculations, allowing you to understand the weight exerted by snow on different types and sizes of roofs.

The Snow Load Weight Calculator is a valuable tool for assessing the weight of snow load on structures. By accurately inputting the roof type, roof area, snow density, snow depth, and snow weight, you can calculate the snow load weight and make informed decisions regarding the structural integrity and safety of the building. Understanding the snow load weight helps architects, engineers, and builders design and construct robust structures capable of withstanding the weight of snow during winter conditions. 