Following are links to several calculators that you can use to discover energy sources in your area, estimate your water usage, what it would cost to replace a lawn with artificial turn and more.

Electricity Usage/Generation Calculators:

Power Profiler (Source US EPA) – Enter your ZIP code and electric utility to:

  • Compare the fuel mix and air emissions rates of the electricity in your region to the national average.
  • Determine the air emissions impacts of electricity use in your home or business

Refrigerator Savings Calculator (Source: ENERGY STAR) – This Refrigerator Retirement Calculator is designed to provide an estimate of the savings associated with replacing or removing an old refrigerator or freezer with a new ENERGY STAR certified model. Actual savings may vary based on use, upkeep, and other factors. Assumptions are based on a combination of historical data (adjusted for degradation based on the age of the refrigerator/freezers) and calculations cited in the ENERGY STAR specifications.

Solar System Cost and Savings Calculator (Source: FIndSolar) – Use this solar calculator from FindSolar to estimate the solar cost and size of a solar energy project in your area.

Gas Mileage and Electric Vehicle Calculators

Electric Car (EV) Calculator (Source: – Is is worth buying an electric vehicle? The answer to this question depends on a number of factors including: your driving habits, gas prices, price of electricity and how you value the environmental impact of your driving. To help consumers decide if an electric vehicle is the right choice, created a calculator that will compare the financial and environmental costs of buying an electric vehicle versus buying a hybrid or standard gas powered car.

Fuel Cost And Savings Calculator (Source: US DOE) – This calculator from the DOE’s fuel site enables you to compare the gas mileage of two cars and potential savings. For example, a vehicle that gets 30 MPG will cost you $903 less to fuel each year than one that gets 20 MPG (assuming 15,000 miles of driving annually and a fuel cost of $3.61).  Over a period of 5 years, the 30-MPG vehicle will save you $4,515.

Water  Usage Calculators:

Cost to Install an Artificial Lawn (Source: HomeWyse) –  The cost to Install an artificial lawn averages $19.00 – $23.67 per square foot in 2014. This artificial lawn Installation cost estimate is calculated from average material costs, unit labor producitivity rates and national average hourly labor wages.

Cost to Replace a Toilet (Source: HomeWyse) – According to the cost to replace a toilet averages $286.65 – $363.98 per toilet in 2014. This Toilet Replacement cost estimate is calculated from average material costs, unit labor producitivity rates and national average hourly labor wages.

Water Use Calculator (Source: – This simple calculator from the Association of California Water Agencies allows you to estimate your average annual water use and discover ways to save. 

How much water do I use? – Water Calculator (Source: HomeWaterWorks)  – How do I compare? How can I conserve? This Water Calculator from HomeWaterWorks shows you which water uses in your home are efficient and which are not and offers simple conservation tips that save water and energy.

General Climate Change/Carbon Footprint Calculators

What’s My Carbon Footprint (Source: The Nature Conservancy) – The Nature Conservancy’s carbon footprint calculator measures your impact on our climate by estimating how many tons of carbon dioxide and other greenhouse gases your choices create each year.

8 thoughts on “Calculators

Leave a Reply

Your email address will not be published. Required fields are marked *