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# Snow Weight - Area

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Equation / Last modified by KurtHeckman on 2019/01/18 15:02
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KurtHeckman.Snow Weight - Area

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The **Weight of Snow** calculator computes the approximate weight (mass) of snow on a given area (A) (e.g. roof) based on the depth (d) and type (sT) of snow.

Type of snow or ice | (kg/m^{3}) | |

New snow | 50-70 | |

Damp new snow | 100-200 | |

Settled snow | 200-300 | |

Depth hoar | 100-300 | |

Wind packed snow | 350-400 | |

Firn (granular) | 400-830 | |

Very wet | 700-800 | |

Glacier ice | 830-917 |

**INSTRUCTIONS:** Choose units and enter the following:

- (
**A**) Area covered by snow - (
**d**) Depth of the snow - (
**sT**) Choose the type of snow (See Table)

**Weight of Snow (W):** The calculator returns the weight of snow in kilograms. However this can be automatically converted to other weight or mass units (e.g. pounds or tons) via the pull-down menu.

#### The Math / Science

The Weight of Snow calculator takes in to account the area covered, the depth of the snow, and the type of snow (based on standard snow types). It computes the volume of snow and then uses the mean density of the specified type of snow (see table) to compute the mass.

M = A • d • ρ

where:

- M = mass or weight of snow
- A = area of snow
- d = depth of snow
- ρ = density of snow

#### Water, Rain and Snow Calculators:

- Compute the volume of water in snow or rain
- Compute the Weight/Mass of Snow on an Area.
- Compute the Weight of Snow on a Rectangular Area.
- Compute the Weight of Snow on a Roof.
- Compute the Weight of Snow on a Polygon Shaped Area.
- Compute the Volume of Water in a Rainfall
- Compute the flow rate of a broad crested weir.
- Compute water capillary rise.
- Compute the volume of flood water.
- Compute the number of sandbags needed to build a wall or dike.
- Water Saturation Ratio
- Rain Fall Harvesting Calculator
- Calculating Area of Different Shapes

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**Snow Weight - Area**, references 1 equation/constant.**Equations and Constants **

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**Snow Weight - Area**, is used in 2 equations/constants.**Equations and Constants **

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