Yes, you can round off cents to whole dollars on your return and schedules. You will need to round up or down as it applies. To round, drop amounts under 50 cents and increase amounts from 50 to 99 cents to the next dollar. For example, $1.39 becomes $1 and $2.50 becomes $3.
See the following IRS link for more information (under Computations): https://www.irs.gov/publications/p17/ch01.html
