How to Run a Gross Up Bonus or Commission (Net to Gross)

Currently, we do not offer the ability to run a gross up calculation within Homebase payroll. 

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Gross Pay Calculator

If you have the withholding elections for a specific employee, you can use this calculator here to determine the gross pay amount needed. 

Gross Calculator Sections - Breakdown

Section Name	Information Needed
Earnings	Net Pay - Enter the net amount you want to pay. Gross Pay YTD - Keep this blank Pay Frequency - Enter the pay frequency you are paying your employees for 2025.
Federal Taxes	Federal Supplemental Flat - Leave unchecked. Use 2020 W4 - confirm your company is using the W4 2020. If you are not, ensure this option is not selected. Withholding Information - Fill in the information based on the employee elections from their W-4.
State or Territory Taxes	State - Click on Select a state and select the state in which the taxes are being calculated, usually this is the work state. Check Date - Use a payday in 2025, as using any day in 2026 will impact the calculation of the taxes. (If Applicable) Withholding Information - Fill in the information based on the employee elections.
Benefits (Skip This Section)	For this calculation's purposes, benefit values are not needed to be entered.

Once you've calculated the expected gross wage to meet your net pay amount, run an Off-cycle payroll in Homebase and enter the gross amount into the Additional Earnings menu to finish the process.