The Round Prices feature allows to round pricing for Products and Labor Items within a Project.
Select the Products/Labor Items you wish to round and then click the Update->Round Prices. The following form will open;
Here you can choose which field you wish to update, Unit Price or Unit Cost. You can choose how many decimal places you wish to round to. You can choose to Round, Round Up, Round Down, or Round to the Nearest value based on your selection.
Note: There is also a setting under Price Adjustments and Rounding you can use to automatically round the Unit Price of items when they are added to a project or pricing is changed within a Project.