Morsimo
Guides
What a USDA calculator has to get right
The USDA guaranteed loan is a mortgage backed by the Department of Agriculture. Its selling points are no down payment and cheap ongoing insurance. Its catch is eligibility: the home has to be in a qualifying area, and your household income has to be under a local ceiling. So the useful calculator does two jobs. It prices the loan honestly, and it tells you whether your income and debts sit inside the guidelines before you spend a weekend at open houses.
How this calculator works
Enter the price and the calculator borrows 100% of it. It adds the 1% upfront guarantee fee to the balance if you choose to finance it, computes the 30-year principal and interest payment, then adds tax, insurance, HOA dues and the annual fee. If you enter income and debts, it divides your housing cost and total debt by gross monthly income and compares them with 29% and 41%. If you also enter your area's income limit, it checks that too.
How the USDA fees are calculated
The upfront fee is price × 1%. The annual fee is loan balance × 0.35% ÷ 12 for each month, recalculated as your balance changes. Because it tracks the balance, it gets cheaper every year.
Worked example: $250,000 home, 6.25%
The guarantee fee is $2,500, financed, so the loan is $252,500 and principal and interest is $1,554.69. The annual fee starts at $73.65 a month ($884 for the year). Add property tax at 1.0% ($208.33) and $125 for insurance, and the payment comes to about $1,962. By year 10 the annual fee has fallen to about $744 for the year.
On a household income of $80,000, that housing payment is 29.4% of gross monthly income, just over the 29% guideline. That is worth knowing before you make an offer, and it is the kind of detail the check exists to surface.
Things buyers often miss
Your household counts, not just you
USDA looks at income from everyone who will live in the home, including adults who are not on the loan. A lower-earning household member can affect the limit calculation, so gather everyone's numbers.
It has to be your primary residence
USDA loans are for homes you will live in. They do not cover investment properties or vacation homes, and the property should be modest in size and cost for the area.
When a different loan wins
If your income is above the limit or the home is outside the eligible map, the FHA loan calculator or a conventional loan on the main mortgage calculator is the usual fallback. If you have military service, compare the VA calculator. To see how much home your income supports, use the home affordability calculator.
Estimate only. Fee rates and eligibility rules are set by USDA Rural Development and can change; your lender will confirm both.
Frequently asked questions
Do USDA loans require a down payment?
No. The guaranteed USDA program allows 100% financing on an eligible home, which is why the calculator has no down payment field. You can still bring cash to closing to cover fees or to lower the balance, but the program does not require it.
What are the USDA loan fees?
There is a 1% upfront guarantee fee, which can be financed into the loan, and a 0.35% annual fee billed monthly with your payment. The annual fee is based on your remaining balance, so it shrinks as you pay the loan down. That is cheaper than FHA mortgage insurance for most borrowers.
Is there an income limit for a USDA loan?
Yes. The guaranteed program caps household income relative to the area median for your household size, and the number differs by county. Look up your address and household size on the USDA eligibility site, then enter the limit in the calculator to check yourself against it.
Does my home have to be in the country?
The property must be in a USDA-eligible area, which is defined by population and often includes small towns and suburbs on the edge of metro areas as well as farmland. Eligibility is checked by address, so a home a few streets over can be treated differently.
What debt ratios does USDA look at?
The standard guidelines are 29% of gross monthly income for housing costs and 41% for total debts. Lenders can approve higher ratios with strong credit and compensating factors, but the calculator flags the standard guideline so you know where you stand.
What is the difference between USDA guaranteed and direct loans?
The guaranteed program works through approved private lenders and is what most buyers use. The direct program is issued by USDA itself to very-low and low-income applicants and can carry subsidized rates. This calculator models the guaranteed loan.