Calculators

This calculator estimates the impact of cleaning up cigarette butts, showing the volume collected, estimated litter removed, and potential environmental impact.

Estimates the appropriate number of fish to stock in an aquarium or pond based on its size and the fish's adult size. This calculator provides a general guideline; specific needs may vary depending on the species and individual fish.

Estimates the number of cattle a pasture can support based on pasture size, forage yield, and cattle weight.

Calculates how many times you need to reuse an alternative bag to offset the environmental impact of a plastic bag.

This calculator determines the efficiency of feed in producing animal weight gain, often used in agriculture to assess the performance of livestock feeding strategies.

This calculator determines the amount of fertilizer needed to achieve the desired nutrient levels in soil.

Calculates the optimal spacing between plants based on garden dimensions and plant size.

This calculator estimates the environmental impact and potential health effects of your meat consumption, considering factors like greenhouse gas emissions, land use, and saturated fat intake.

Estimates the number of plants that can be grown in a field based on field size and plant spacing.

Calculates the estimated carbon footprint of a flight, measured in kilograms of CO₂ emitted. This calculation considers the distance traveled and the type of aircraft.