Calculators

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

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

Calculates the potential CO₂ concentration in a room based on the number of people, room volume, and ventilation rate.

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

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

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.