Garden
Compost Mix Calculator
Hot compost needs the right C:N ratio (~25:1 to 30:1). Tell us what you have, and we'll suggest what to add.
FAQ
What's the ideal ratio? +
25:1 to 30:1 by weight. Lower (more greens) = smelly, anaerobic. Higher (more browns) = slow / doesn't heat up.
Volume vs weight? +
We use approximate density values to convert. Real composting is forgiving — within 50% of target is fine.