🌱 Walkley-Black Method

Soil Organic Carbon
Calculator

Determine the organic carbon content in your soil using the Walkley-Black wet oxidation method.

Sample Information

Enter the name and composition details of your soil treatment or sample.

Treatment / Soil Name

Soil Composition / Notes (optional)

Please enter at least a soil/treatment name.

Titration Values

Enter the titre values from your Walkley-Black titration and the weight of your soil sample.

Formula Used

OC (%) = 10(B − S) B × 0.003 × 100 wt. of sample (g)

Blank titre (mL)

Sample titre (mL)

Sample weight (g)

Result

Organic Carbon Content

—

% (w/w)

B (Blank)

—

mL

S (Sample)

—

mL

Weight

—

g

Saved Results