Carbon Offset Calculator
Trees and cost to offset your emissions.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Trees needed
- 428
- Offset cost per year
- $169.20
- Cost per month
- $14.10
- Lifetime (40 yr) offset cost
- $6,768.00
Quick answer
Offsetting a tonne of CO2 costs money or requires roughly 40 tree-years of sequestration.
Trees = tonnes CO2 ÷ tonnes per tree per year
How to use the Carbon Offset Calculator
- 1Enter your annual carbon footprint in tonnes.
- 2Adjust sequestration per tree if you have local data.
- 3Enter the offset price per tonne.
Frequently asked questions
Are offsets effective?
Quality varies hugely — verified removal credits cost far more than avoidance credits.
How much CO2 does a tree absorb?
About 22 kg a year once mature, far less when young.