Environmental Calculators

Free online environmental calculators for carbon emissions, eco footprint, solar energy, wind power, and more.

Calculate how many Earths we would need if everyone lived like you. Estimate your ecological footprint based on your daily habits.

Calculate how much you can save by switching to a heat pump. Compare costs vs gas furnace, oil, or electric resistance heating.

Calculate how many years until solar panels pay for themselves. Enter system cost, energy production, and electricity rate.

Estimate the noise level from a wind turbine at a given distance from the source.

Calculate the power output of a wind turbine based on blade diameter, wind speed, and air density.

Calculate CO2 emissions per mile or kilometer by vehicle type and fuel type. Understand your carbon footprint from driving.

Estimate CO2 levels in a room based on volume, occupants, and ventilation rate. Check if your indoor air quality is healthy.

Calculate how much electricity your solar panels will produce per day, month, and year. Enter panel wattage, sun hours, and efficiency.