Biology & Life Science

Instant, private, and free

Compost Ratio Calculator.

Compare measured brown and green material masses with an explicitly entered target ratio.

On-device calculationNo signup
01

Set your values

Results update as you type.

Current brown:green ratio: 1

Current brown:green ratio

0.0000
Total mass: 2 same units

Total mass

0.0000same units
Brown to add: 0 same units

Brown to add

0.0000same units
Green to add: 0 same units

Green to add

0.0000same units

Results update automatically as you type.

Current ratio = brown mass ÷ green mass; additions are calculated to reach your entered target ratio. All rates, densities, and ratios are explicit inputs; no crop, species, product, or regional recommendation is inferred.

FAQs

What assumptions are used?

Compare measured brown and green material masses with an explicitly entered target ratio. Every rate, density, and ratio is an explicit input; no species, crop, product, or regional recommendation is inferred.