AAMC Loan Calculator (MLOC): How It Works and a Free Alternative

If you have been pointed to AAMC's Med Loans Organizer and Calculator by your medical school, you probably have noticed that it is not really suited for someone who is weighing PSLF versus refinancing or figuring out their future as a resident. MLOC is a legitimate useful tool, but it's really designed for a smaller job compared to what most people who use it really need.

What the AAMC MedLoans Organizer and Calculator Actually Does

MLOC is part of AAMC FIRST program, a targeted program to help medical students and residents organize and estimate their federal loans and different repayment options they will face when they graduate.

Its core job is simple: enter balances of federal loans (Direct Unsubsidized, Grad PLUS and other older types such as Perkins), and it projects monthly payments under standard 10 years versus Income Driven Repayment plans like IBR, PAYE or SAVE or RAP using expected income. This is a first useful step in understanding what is owed and what repayment options look like on paper and most aid offices recommend this because it standardizes organizing loans from different servicing companies into one place before graduation.

It is narrower than people realize: it includes only federal loans. MLOC doesn't model refinancing of private loans, so if you consider refinancing part or all your balance after residency, it cannot compare this against staying on an IDR plan. For roughly half of physicians who refinance at least part of their debt after residency, this leaves a significant gap.

It does not model income specifically for different specialties. It uses whatever income you enter for calculations, not a benchmark for actual specialty income; the tool does not know that one is heading toward $450k or the other toward $250k, which matters because different strategies work better. Enter a guess for "attending salary" and results are only as good as that guess.

PSLF is only a side calculation and not at the center of the tool. MLOC can include PSLF projections but does not compare this to aggressive payoff plus forgiveness versus refinancing in dollars for specific specialty and career stage. It forecasts IDR payments but cannot compare if 10 years of IDR plus forgiveness beats 6 years of aggressive payoff after residency.

Access is a barrier. Many students use financial aid office at their school rather than open public MLOC, and this explains why many people search for direct calculators. It is more of a snapshot at a specific point in time rather than a living plan. Typically used just once at graduation to organize what is owed to schools, it is not designed to be used every few months for changes in employment offers or for deciding whether to accept fellowships and for spouses' income to enter. MLOC is a solid organizer for federal loans and definitely useful to complete before graduation if required. But it is not designed to answer the question most people are really looking for: what is the actual repayment plan.

What a Physician-Specific Calculator Adds

The MedDebt Calculator was designed to pick up where organizers for federal loans stop; they focus on generic salary fields but the MedDebt Calculator uses income specifics. using real specialty salary data — so a cardiology resident and a pediatrics resident get genuinely different, realistic payoff timelines instead of the same formula with a different number plugged in.

PSLF vs. refinancing vs. aggressive payoff, side by side. The core output isn't "your IDR payment" — it's a direct dollar comparison of your three real strategies, so you can see which one actually leaves you ahead, not just what your payment would technically be under one plan.

Worked examples across three different financial pictures:

Internal medicine resident, $220,000 federal debt, academic-track:

• PSLF path: IBR payment on a PGY-3 salary of $68,000 runs roughly $380/month during training. At a $230,000 academic attending salary, payments rise to about $1,560/month. After 10 years of qualifying payments, remaining balance forgiven tax-free — total out-of-pocket around $165,000 against a balance that would otherwise cost well over $300,000 paid conventionally.
• Aggressive payoff (private practice, $280,000 salary instead): directing $7,000/month toward the balance clears $220,000 in about 34 months, with roughly $32,000 in total interest — done before year three as an attending.

General surgery resident, $280,000 federal debt, private-practice track:

• A 5-year general surgery residency means 5 years of low IDR payments, then a private-practice attending salary north of $420,000 makes aggressive payoff the clear winner — refinancing to a 5.5% fixed rate and directing $12,000/month clears the balance in roughly 26 months as an attending, well before PSLF's 10-year academic-employment requirement would even pay out.

Family medicine resident, $190,000 federal debt, community health center track:

• Lower attending salary (often $230,000–$260,000) paired with a genuinely qualifying nonprofit employer makes PSLF the stronger math almost every time — the forgiven balance is a larger share of a smaller income, and community health centers overwhelmingly qualify as 501(c)(3) or government employers.

Three different specialties, three different right answers — which is exactly the kind of output a generic federal-loan organizer isn't built to produce.

It's free and live. No school login required, and it reflects current-year IDR rules and specialty salary benchmarks rather than a static snapshot from the year you graduated.

How to Use Both Tools the Right Way

Use MLOC and a specialty-specific calculator together — they're not really competing for the same job. MLOC is fine, and sometimes required, for logging your federal loan inventory in one standardized place, which clarifies exactly what you owe, to whom, at what rate. That inventory step matters; it's easy to lose track of which servicer holds which loan after years of deferment and forbearance during training.

But before you commit to a repayment strategy, run your numbers through a tool that actually compares PSLF, refinancing, and aggressive payoff against each other for your specialty and income trajectory. That's the decision that determines whether you pay off $220,000 in debt for $165,000 or $320,000 — and no amount of loan organizing alone will tell you which path gets you there.

Frequently Asked Questions

Is AAMC's MedLoans Organizer and Calculator free? Yes, it's provided at no cost through AAMC's FIRST program, typically accessed through your medical school's financial aid office.

Does MLOC include private student loan refinancing? No. MLOC is built around federal loan programs (standard repayment and IDR plans). It doesn't model private refinancing offers or compare them against staying on a federal plan.

Can I use MLOC and a physician-specific calculator together? Yes, and it's the better approach. Use MLOC to organize your federal loan balances and get a baseline IDR estimate, then run a specialty-specific calculator to compare PSLF, refinancing, and aggressive payoff against your actual income trajectory.

Does MLOC account for PSLF? It can factor PSLF-eligible plans into its IDR estimates, but it doesn't produce a direct dollar comparison of PSLF against refinancing or aggressive payoff — that's a separate calculation worth running elsewhere before you commit to a strategy.

Why does my MLOC estimate look different from other calculators I've tried? MLOC projects payments using whatever income figure you manually enter, without specialty-specific salary benchmarks. If your entered income assumption is off, especially for your attending years, the projection will be too — a specialty-aware tool corrects for that by using actual market salary data for your field.

Run Your Own Numbers

Every physician's debt situation is different. Use the MedDebt Calculator to model your exact repayment strategy — PSLF vs. aggressive payoff vs. refinancing — with your actual loan balance, specialty, and income.

It's free, takes 2 minutes, and shows you net worth projections by year.

Disclosure: This article is for informational purposes only and does not constitute financial, legal, or tax advice. Loan program details change — always verify current rules on studentaid.gov. MedDebt may earn a referral commission if you refinance through links on this site.