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Maintenance Update 03 31 2018


Overview: Financial Calculator Update 3/31/2018


The quarterly update for 3/31/2018 is a targeted in regards to content updating with specific calculation changes affecting only the Tax calculators. The changes affect the functionality of the calculations, updating them to 2017 rules and regulations. In addition significant changes have been made to the underlying calculator functionality to enhance mobile performance and ADA compliance.

All maintenance releases are cumulative, so if you apply this update, you will have all previous calculator updates as well. For your reference you can view the previous update notes here: 12/31/2017 Update.


Update Instructions


For more detailed information please see our frequently asked questions: FAQ

  1. Download the latest update package for your calculators from your download site, found on your update e-mail notice.

  2. Execute the KJEUpdate.exe file from your download. This is a self-extracting zip file. (Or unzip the KJEUpdate.zip file if you are using a non-windows platform.) If you see a warning message, you can safely continue. When prompted for a directory, you may use the default or enter your own. It is recommended that you extract the update to a new directory and then move the required files to your production or staging environment. One directory will be created with no subdirectories.

  3. Replace all files provided in update package. The update package includes all JS files and CSS files that are required to update the content of your calculators. IMPORTANT! The update package does not contain any HTML files or the KJESiteSpecific.js or KJESiteSpecific.css files. These files are not required for an upgrade, and replacing them may result in overwriting custom changes for your website intstallation. If you use the full installation package and have changed the file KJESiteSpecific.js or KJESiteSpecific.css files do not replace them.

When you test the new version of the calculators, make sure that the browser you are using uses the new files instead of any it may have in its cache. You may need to clear the browser's cache manually to ensure the new versions are loaded.

Please note, if you have a Servlet or other custom deployment, installation instructions for your package will found on your download page or provided separately.

If you wish to upgrade to V3 please email use us at:


Update Changes 3/31/2018


The V3 (HTML5/JavaScript) calculators do not require any edits or modifications to HTML pages, all changes are encapsulated within the JS files provided.

  1. All Calculators: All calculators have had updates to the tabular data (tables) to allow for better future use of header, footer and body styling.

  2. ADA and Screen Readers: Updates to improve ADA and screen reader functionality are included in this update. All calculators follow the ADA guidelines to meet or exceed accessibility specification WCAG 2.0 Level AA and Section 508.

  3. 1040 Tax Estimator: (Tax1040.html) has been updated for new rates and schedules for 2018. This includes changes to the definitions, and the calculation modules. It is possible that additional changes to the tax rates and rules will take place before the end of 2018. This calculator has been updated to include the new new 2017 Tax Cuts and Jobs act. Use the ‘Filing Status and Income Tax Rates Table’ to assist you in estimating your federal tax rate.
    Filing Status and Income Tax Rates 2018*
    Tax RateMarried Filing Jointly or Qualified Widow(er)SingleHead of HouseholdMarried Filing Separately
    *Caution: Do not use these tax rate schedules to figure 2017 taxes. Use only to figure 2018 estimates. Source: 2017 Tax Cuts and Jobs Act
    10%$0 - $19,050$0 - $9,525$0 - $13,600$0 - $9,525
    12%$19,050 - $77,400$9,525 - $38,700$13,600 - $51,800$9,525 - $38,700
    22%$77,400 - $165,000$38,700 - $82,500$51,800 - $82,500$38,700 - $82,500
    24%$165,000 - $315,000$82,500 - $157,500$82,500 - $157,500$82,500 - $157,500
    32%$315,000 - $400,000$157,500 - $200,000$157,500 - $200,000$157,500 - $200,000
    35%$400,000 - $600,000$200,000 - $500,0000$200,000 - $500,000$200,000 - $300,000
    37%Over $600,000Over $500,000Over $500,000Over $300,000

    Standard Deduction for 2018 Federal Income Tax
    Filing StatusStandard Deduction
    Married Filing Joint$24,000
    Qualified Widow(er)$24,000
    Single$12,000
    Heads of Household$18,000
    Married Filing Separately$12,000

  4. Home Equity Loan vs. Auto loan Calculator : (AutoEquityLoan.html) has been updated for new rules in the 2017 Tax Cuts and Jobs Act. Home equity loan interest is still deductible under some situtions, but only if they are used for improving your home. Reference to any potential income tax savings from a Home Equity Loan used for an auto purchase has been removed from the calculator.

  5. 1040EZ Tax Estimator: (Tax1040EZ.html) has been updated for new rates and schedules for 2018. This includes changes to the definitions, and the calculation modules. This calculator has been updated to include the new new 2017 Tax Cuts and Jobs act.

  6. Marginal Tax Estimator: (TaxMargin.html, SPTaxMargin.html) has been updated for new rates and schedules for 2018. This includes changes to the definitions, and the calculation modules. his calculator has been updated to include the new new 2017 Tax Cuts and Jobs act.

  7. Self Employment Tax Calculator: (TaxSelfEmployment.html) has been updated for new rates and schedules for 2018. This includes changes to the definitions, and the calculation modules. Please note that no new entry or output fields were required, but the tax tables and many of the tax computations were affected. This calculator has been updated to include the new new 2017 Tax Cuts and Jobs act.

  8. Earned Income Tax Credit Calculator: (EarnedIncomeCredit.html) has been updated for new rates and schedules for 2018. This includes changes to the definitions, and the calculation modules. Please note that no new entry or output fields were required, but the tax tables and many of the tax computations were affected. This calculator has been updated to include the new new 2017 Tax Cuts and Jobs act.

  9. Charitable Tax Savings Calculator: (CharitableTax.html) has been updated for new rates and schedules for 2018. This includes changes to the definitions, and the calculation modules. Please note that no new entry or output fields were required, but the tax tables and many of the tax computations were affected. This calculator has been updated to include the new new 2017 Tax Cuts and Jobs act.

  10. 72(t) Calculator: Early withdrawals from retirement accounts (Retire72T.html, Retire72T2.html), 72(t) Distributions: Impact on retirement fund balances (Retire72TAlt.html): The Federal Mid-Term rate has been updated for April 2017. This change affects the calculators default values and the definition of Reasonable Interest Rate For April 2018. For April 2018, 120% of the Federal Mid-Term rate has changed to 3.27%.