The New Jersey Split Rate Worksheet is an Excel spreadsheet used to calculate the income tax rate for residents of New Jersey. The worksheet is designed to help individuals and businesses calculate their taxes due to the state of New Jersey, based on their income and deductions. The spreadsheet divides the income into multiple tax brackets and determines the rate for each bracket. The New Jersey Split Rate Worksheet comes in three different versions: the single-rate worksheet, the married-filing-jointly worksheet, and the head-of-household worksheet. All three worksheets are used to calculate the income tax rate of the taxpayer and have different formulas depending on the filing status. The worksheet also provides an overview of the deductions and credits that can be claimed to reduce the amount of taxes due.