Calculators

Helps calculate aquarium volume, stocking levels, or heater/filter requirements.

This calculator helps to understand the impact of different global plastic policies on various aspects of the plastic lifecycle, including production, waste generation, recycling rates, and environmental pollution.

Estimates your COVID-related plastic pollution and suggests ways to minimize it.

This calculator compares the environmental impact of driving a car versus biking. It estimates the number of trees saved by choosing to bike instead of drive for a certain amount of time.

This calculator estimates the CO₂ emissions associated with your Christmas tree, considering both real and artificial options, and suggests alternatives.

This calculator compares the environmental impact of reading physical books versus e-books, considering factors like paper production, transportation, and device manufacturing.