Parent PLUS Loan Calculator

A Parent PLUS loan is federal debt taken out by a biological or adoptive parent, and in some cases a stepparent, to cover a dependent undergraduate's costs. The parent holds full legal responsibility. The student owes nothing on paper, whatever the family agrees privately, and the debt cannot later be transferred into the student's name within the federal system. The loan can reach the full cost of attendance minus other aid, with no aggregate cap. That open limit closes funding gaps easily. It also lets a parent sign for far more than they can comfortably repay, since the credit check screens for past delinquency rather than ability to pay.

At a 4.228% origination fee, every $10,000 borrowed delivers about $9,577 to the school while interest runs on the full $10,000. Across a four-year degree at $25,000 a year, the fee alone totals $4,228. In effect, a PLUS loan quoted at 9.08% behaves closer to a 10% loan once the shortfall is counted. Keep that adjustment in mind when a private lender quotes a rate with no fee attached: a fee-free private loan at 8.5% can beat the PLUS loan on paper cost, though the two are not equivalent products once federal protections enter the comparison.

Borrowing $25,000 a year for four years leaves $100,000 in PLUS debt for one child. A second child on a similar path pushes the household past $200,000, and at 9.08% a $200,000 balance on the standard 10-year plan demands about $2,540 a month with roughly $105,000 in interest over the term. Few households in their fifties can absorb that alongside everything else. The standard advice holds up here: let each student borrow up to their own federal limits first, then decide deliberately how much of the remaining gap you are willing to carry, rather than signing whatever the award letter suggests.

Out of the box, Parent PLUS loans qualify for the standard 10-year plan, the graduated plan, and the extended plan for balances over $30,000. Income-driven options have historically required consolidating into a Direct Consolidation Loan first, and even then only income-contingent repayment was available, the most expensive of the income-tied formulas. For parents employed in public service, that consolidation route also opened the door to loan forgiveness after 10 years of qualifying payments. The 2025 repayment overhaul is changing which plans exist and who can enroll, and the treatment of consolidated PLUS debt has been a moving target, so verify the current options on the repayment plans page at studentaid.gov before consolidating. Consolidation is hard to unwind.

The typical PLUS borrower signs in their late 40s or 50s, which puts the repayment years squarely on top of the last strong saving years before retirement. A $30,000 loan at 9.08% costs about $381 a month for a decade, roughly $15,800 in interest, and every one of those dollars is a dollar not going into a retirement account during the years it would compound longest. A workable rule: borrow no more than you can retire before you do. The CFPB's consumer guidance on borrowing later in life covers the related risks, including the fact that federal student debt can follow you into Social Security garnishment after a default, something no private debt can do.