Soil gravimetric water content calculator

Calculate dry soil mass and water mass with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use dry soil mass and water mass to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Wet sample plus container mass (g)
150
Dry sample plus container mass (g)
130
Container mass (g)
30
Dry soil mass (g)
100
Water mass (g)
20
Gravimetric water content (%)
20

Try another scenario

Wet sample plus container mass (g)
151
Dry sample plus container mass (g)
130
Container mass (g)
30
Dry soil mass (g)
100
Water mass (g)
21
Gravimetric water content (%)
21
Calculation method

Calculation method

Dry soil mass (g)

Water content = mass of water / oven-dry solids; subtract container mass from dry sample.

Water mass (g)

Water content = mass of water / oven-dry solids; subtract container mass from dry sample.

Gravimetric water content (%)

Water content = mass of water / oven-dry solids; subtract container mass from dry sample.

Symbols and units
a
Wet sample plus container mass (g)
b
Dry sample plus container mass (g)
c
Container mass (g)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • User-supplied measurements and assumptions; Water content = mass of water / oven-dry solids; subtract container mass from dry sample. Supported limits: Finite numeric values bounded to 1e9 magnitude; lists and tables contain 1–100 records unless a stricter bound is stated. Inputs use the units shown. Lists explicitly paired by a method must have matching lengths; independent polynomial coefficient vectors may differ. Respect stated physical, interpolation, policy and computational domain limits.
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Further reading

Method reference ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

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