plugin SAC-Carbon Tax Calculator

Introduction

The tabs on this page will help you estimate how the different pieces of our proposal will affect your household. We do not store or otherwise keep any of this information. Here are the 9 pieces of the information that you will need (ballpark estimates are fine, but if you want to dig into the details then you can do that too!):

  • How many miles your household drives per year and your average gas mileage (or, if you have it, how many gallons of gasoline and diesel your household buys per year).
  • How many miles your household travels on airplanes for personal reasons (not work-related) per year.
  • The square footage of your home (or, if you have it, your household’s annual consumption of natural gas and electricity and annual expenditures on natural gas and electricity).
  • How many people live in your household, how many (if any) are over 65, and how many (if any) were born before in 1952 or earlier.
  • Your approximate household income and your tax-filing status (single, married filing jointly, etc.).
  • If you qualify for the federal Earned Income Tax Credit (for low-income working families), the amount of that credit.

In the next few tabs, you can edit any of the rows that have a white background. The other rows show how that information affects the resulting estimate. Click “Next” to get started!

    Motor gasoline (not including diesel)

    • How many miles does your household drive in Utah per year in gas-powered vehicles?
    • What is your household's average gas mileage?
    • Estimated gasoline consumption (based on mileage)
    • If you have a better estimate of how many gallons of gasoline your households buys in Utah per year, enter it here
    • Carbon tax for motor gasoline

    On-road diesel

    • How many miles does your household drive in Utah per year in on-road diesel vehicles?
    • What is your household's average diesel mileage?
    • Estimated diesel consumption (based on mileage)
    • If you have a better estimate of how many gallons of on-road dieesel fuel your households buys in Utah per year, enter it here
    • Carbon tax for on-road diesel

    Jet fuel

    • How many miles does your household fly for personal reasons per year, taking off from airports in Utah?
      Remember to add up the miles for each person (not including lap infants)
      Example: The Smiths, a family of 3, flew from SLC to NYC, which is 2000 miles; so 3 people x 2000 miles = 6000
    • Average jet airplane fuel economy per passenger is
    • Estimated jet fuel consumption subject to carbon tax
    • Carbon tax for jet fuel

    Natural gas

    • How many square feet is your home?
    • Estimated thousand btu per square foot
    • Estimated million btu per year
    • Estimated natural gas consumption (based on square footage)
    • Average residential price for natural gas in Utah in 2017
    • Estimated expenditure based on consumption
    • If you have a better estimate of how much natural gas your household consumes in Utah per year, or how much it costs, please edit one or both of those figures below.
      Note that you may have data in therms or in dekatherms (Dth) rather than ccf. Since one therm is very close to one ccf, if you have data in therms then you can just use that. (If you want to be exact, divide the number of therms by 0.964 to get ccfs.) And since a dekatherm (Dth) is ten therms, if you have data in dekatherms then divide by 10 (or, to be exact, by 9.64) to get ccfs.
    • Carbon tax for natural gas
    • State sales tax rate on electricity and home heating fuels for residential customers
    • State sales tax savings
    • Net impact on natural gas expenditures

    Electricity

    • Estimated electricity consumption (based on square footage and EIA data)
      Eyeballed fit based on:
    • Average residential price for Utah in 2017
    • Estimated expenditure based on consumption
    • If you have a better estimate of how much electricity your household consumes in Utah per year, or how much it costs, please edit one or both of those figures below.
      If you have rooftop solar then you'll need to calculate your net amount of electricity consumption: take total consumption and subtract the amount that comes from your rooftop solar to get the amount that "comes from the grid".
    • Carbon tax per kWh of electricty
      Estimated for Rocky Mt Power fuel mix (62% coal, 15% natural gas)
    • Carbon tax for electricity
    • State sales tax rate on electricity and home heating fuels for residential customers
    • State sales tax savings
    • Net impact on electricity expenditures

    Eliminate state sales tax on food

    • Household size
      Table 1.
      Number of persons(s)12345+
      Avg. income before taxes$ 35,889$ 81,237$ 91,836$ 105,088$ 89,585
      Spending on food at home$ 2,323$ 4,417$ 5,126$ 6,194$ 6,738
    • Household income (before taxes)
      Table 2.
      Income decile12345678910
      Lower limit of income$ 12,265$ 20,739$ 29,648$ 39,609$ 51,802$ 66,898$ 85,301$ 109,743$ 155,556
      Mean of income$ 6,059$ 16,726$ 25,189$ 34,459$ 45,559$ 59,299$ 75,995$ 96,696$ 129,006$ 247,174
      Average number of people1.61.72.12.32.42.62.83.03.13.1
      Spending on food at home$ 2,449$ 2,715$ 3,548$ 3,696$ 3,907$ 4,169$ 4,501$ 5,285$ 6,195$ 7,157
      Food change per $ above mean0.0250.0980.0160.0190.0190.0200.0380.0380.008
      People change per $ above mean0.0000090.0000470.0000220.0000090.0000150.0000120.0000100.0000030.000000
    • Table 1 suggests that households of your SIZE spend an amount on grocery store food per year that averages…
    • ...but those households have an average income of...
    • Similarly, Table 2 suggests that households of your INCOME spend an amount on grocery store food per year that averages…
    • ...but those households have an average household size of...
    • Given this information, we can use an average of the two numbers above (in #4 and #6) to get an estimate below ((in #8) of your household's grocery store expenditures. If you have a better number to use please enter it in the next field!
    • How much does your household spend on grocery store food per year?
    • State sales tax rate on grocery store food
    • State sales tax savings

    State-level match of the Earned Income Tax Credit

    If you know that you are not eligible for the federal Earned Income Tax Credit (a benefit for low-income working families, especially those with children), please click “Next” to skip this section.

    • Federal EITC amount
      Ultimately, your Utah EITC match depends on your federal EITC amount, so check your federal tax return or otherwise determine your federal EITC and enter it below.
    • Utah 20% EITC match
    • The federal Earned Income Tax Credit is a refundable tax credit for low-income working families. The amount of the credit depends on your income and your household structure. Your household DOES NOT quality if your 2019 income is above the limits below:
      Table 3.
      Number of childrenNo Children1 Child2 Children3+ Children
      Married filing jointly$ 21,370$ 46,884$ 52,493$ 55,952
      Other (single, etc)$ 15,570$ 41,094$ 46,703$ 50,162
      If your income is below these limits, you may qualify, so check your federal tax return or use this CBPP calculator tool.
    • The maximum federal credit and Utah credit are as follows:
      Table 4.
      Number of childrenNo Children1 Child2 Children3+ Children
      Maximum federal credit$ 529$ 3,526$ 5,828$ 6,557
      Maximum 20% Utah credit$ 53$ 353$ 583$ 656

    Retirement Tax Credit

    If you know that your household is not eligible for a Retirement Tax Credit (e.g., no members 65 or over, or income over $84,000), skip this section. Otherwise you may qualify for an expanded Retirement Tax Credit.

    • How many people in your household (and on your tax return) are 65 years or older?
    • How many of those over-65s were born on or before Dec 31, 1952?
    • What is your tax filing status?
      Note: "Married filing separately" and "Single" should list no more than 1 person 65 years or older in the previous questions!
    • What is your Utah modified Adjusted Gross Income?
    • Your CURRENT Retirement Tax Credit amount is:
    • Your NEW Retirement Tax Credit amount is:
    • Your ADDITIONAL Retirement Tax Credit amount is:

    Your bottom line

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    Gain (loss) overall

    That bottom line consists of these estimated savings…
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    Total savings
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    Eliminate state sales tax on grocery store food
    $
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    20% match of federal EITC
    $
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    Expanded Retirement Tax Credit

    …and these estimated carbon tax payments…
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    Total carbon tax payments
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    Gasoline
    $
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    On-road diesel
    $
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    Jet fuel
    $
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    Natural gas
    $
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    Electricity

    Please contact us with questions or comments, or if you want to share your results with us.
    As noted at the beginning, we do not store or otherwise keep any of this information.
    Thank you!