How to use the snow water equivalent calculator
Convert a snow depth and its density into the depth of water it would make when melted. Enter snow depth, snow density ratio in the fields above; the snow water equivalent are computed instantly and plotted on the chart so you can see how the answer changes.
Common searches this calculator answers include “snow water equivalent”, “SWE from snow depth”, “snowpack water content”, “calculate snow water equivalent”, “find snow water equivalent”.
Formula
Variables
- depth — Snow depth (cm)
- dens — Snow density ratio
Worked example
With snow depth = 60 cm, snow density ratio = 0.25, the calculator gives snow water equivalent ≈ 150 mm; snow water equivalent ≈ 15 cm.
Frequently asked questions
What is the snow water equivalent calculator used for?
Convert a snow depth and its density into the depth of water it would make when melted. It helps with questions such as “snow water equivalent”, “SWE from snow depth”, “snowpack water content”.
What is the formula for the snow water equivalent calculation?
Snow water equivalent (mm) = depth × 10 × dens. Snow water equivalent (cm) = [Snow water equivalent] / 10. Here depth is snow depth (cm), dens is snow density ratio.
What inputs do I need for the snow water equivalent calculator?
You need snow depth in cm, snow density ratio. Each field is pre-filled with a typical example so you can see how the result responds as you edit the numbers.
How do I use the snow water equivalent calculator?
Type values into the input fields. Results and the chart update instantly. Use Reset to restore the example values, Copy results to paste them elsewhere, or Share to copy a link that preserves your inputs.
Is the snow water equivalent result exact?
Calculations use standard formulas and double-precision arithmetic, then display about seven significant figures. Real-world measurements carry uncertainty, so treat results as estimates unless your inputs are exact.