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.
02 / ANSWER
Current brown:green ratio: 1
Total mass: 2 same units
Brown to add: 0 same units
Green to add: 0 same 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.