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The Saturation Ratio calculator computes the water saturation ratio of soil.
INSTRUCTIONS: Choose the preferred units and enter the following:
- (Vw) Volume of Water
- (VV) Volume of Voids
Saturation Ratio (RS): The calculator returns the saturation ratio as a real number rounded to the nearest 1/10,000th. However, this can be automatically converted to % via the pull-down menu.
| Type of snow or ice | (kg/m3) |
| Fresh 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 |
| Rain/Melt | 997 |
Hydrology (Water, Rain and Snow) Calculators:
- Snow Pack to Liquid Water Calculator
- Volume of water in snow or rain
- Weight/Mass of Snow on an Area.
- Weight of Snow on a Rectangular Area.
- Weight of Snow on a Roof.
- Weight of Snow on a Polygon Shaped Area.
- Volume of Water in a Rainfall
- Flow Rate of Broad Crested Weir
- Water Capillary Rise.
- Volume of Flood Water.
- Number of sandbags needed to build a wall or dike.
- Water Saturation Ratio
- Rain Fall Harvesting Calculator
- Peak Discharge from Drainage Basin Runoff
- Gauckler-Manning Equation
- Cipolletti Weir Flow Rate
The Math Science
The saturation ratio RS is the ratio of the water contained in a sample volume to the volume of voids `V_V` and represents the amount of volume that can still absorb more water. The formula for saturation ratio is:
RS = Vw / Vv
where:
- RS is the water saturation ratio.
- Vw is the volume of water
- Vv is the volume of the voids.
Notes
In engineering application the saturation ratio indicate how far from saturation the soil is.
