APR vs. Interest Rate vs. Mortgage Points: How to Compare Loan Estimates
In this guide
An APR vs interest rate comparison starts with recognizing that a mortgage advertisement can show a low note rate, a different APR, and a point charge in smaller print. Those figures answer different questions. Comparing only one can lead you toward an offer that is cheap for the lender's assumed timeline but expensive for yours.
The cleanest method is to compare official Loan Estimates for the same loan type, amount, term, and lock period, then connect upfront cost with monthly payment and expected holding period. The CFPB mortgage rate and APR guide identifies where both figures appear on the form.
Interest rate: the price used to calculate interest
The note rate, commonly called the interest rate, is used to calculate the scheduled principal-and-interest payment. A lower fixed rate generally means a lower payment and less interest when the loan amount and term are identical.
The rate does not tell you how much cash the lender requires to obtain it. One lender may quote 6.0% with two points while another quotes 6.25% with no points. Looking at rate alone treats the upfront cost as invisible.
APR: a standardized cost measure with assumptions
The annual percentage rate incorporates the interest rate and certain finance charges into a percentage intended to help compare credit costs. APR is usually higher than the note rate on a fixed mortgage that has covered finance charges. It can be useful for screening similar offers because it makes some fees harder to hide.
APR is not your monthly rate, and your payment is generally based on the note rate rather than APR. It also relies on assumptions about the loan and how long it remains outstanding. A lower APR can be less useful if you plan to sell or refinance before high upfront fees have time to pay back.
Discount points: prepaid cost for a lower rate
The CFPB states that one point equals 1% of the loan amount. Points can be fractional and are paid at closing. Paying points should produce a lower rate than a comparable zero-point offer from the same lender, but there is no fixed amount by which one point must reduce the rate.
Points shift cost toward closing and savings into future monthly payments. That makes them highly sensitive to holding period. Calculate point cost, payment savings, and break-even rather than assuming the lowest rate is best.
Lender credits: lower cash today, higher cost over time
Lender credits generally work in reverse. The lender contributes toward closing costs in exchange for a higher rate. A credit can be useful when cash is constrained or the expected loan life is short. The tradeoff is a higher monthly payment and more interest if the loan remains outstanding for a long time.
Do not confuse a lender credit with a free discount. Compare the credited offer against a zero-credit offer and calculate how many months of higher payments use up the upfront credit.
Why the lowest APR is not always the best personal choice
Suppose one offer requires substantial points and has a lower APR, while another has a higher APR but much lower closing cost. The first may be cheaper over the disclosure's assumed horizon. If you refinance after two years, however, you may never recover the points. Your actual horizon can matter more than a small APR difference.
APR also does not replace review of loan features. Fixed versus adjustable rates, balloon payments, prepayment penalties, mortgage insurance, temporary buydowns, and different terms can make two percentages poor substitutes for a full comparison.
How to compare Loan Estimates step by step
- Request Loan Estimates close together so market movement does not distort the comparison.
- Confirm the loan amount, product, fixed or adjustable structure, term, occupancy, and rate-lock status match.
- Record the note rate, APR, principal-and-interest payment, points, lender credits, and lender-controlled fees.
- Separate true costs from prepaids and initial escrow deposits.
- Compare cash to close, but account for down payment and credits that are not lender pricing.
- Calculate the incremental upfront cost of each lower-rate option.
- Divide that cost by monthly payment savings to find break-even.
- Test the result against how long you may keep the mortgage.
A simple two-offer example
Offer A on a $400,000 30-year mortgage has a 6.5% rate and no points. Offer B has a 6.125% rate and one point costing $4,000. The estimated payments are about $2,528 and $2,430, a difference of roughly $98 per month. The point cost breaks even after about 41 months.
If the borrower expects to refinance in two years, Offer A is likely cheaper despite its higher rate. If the borrower expects to keep the loan ten years, Offer B may produce substantial nominal savings. APR can help flag the longer-run cost difference, while break-even connects the choice to the borrower's timeline.
Watch for temporary buydowns
A temporary buydown may reduce payments for one or more early years without permanently changing the note rate. Do not compare its first-year payment with a permanent fixed-rate offer as if they were equivalent. Identify the full note rate, future scheduled payment, source of buydown funds, and what happens if the loan ends early.
Rate lock and timing matter
Rates and credits can change with the market. Comparing a Monday quote with a Friday quote may say more about market movement than lender competitiveness. Ask whether the rate is locked, the length of the lock, and whether extension fees apply. Written same-day estimates provide a stronger comparison.
What APR and points do not answer
Neither tells you whether the payment fits your budget, whether you have enough emergency cash after closing, or whether buying a different-priced home is wiser. The mortgage decision connects with property taxes, insurance, maintenance, mortgage insurance, and other household goals.
Bottom line
Interest rate determines the core scheduled payment. APR summarizes the rate plus certain finance charges under standardized assumptions. Points and lender credits explain how cost shifts between closing and future payments. None should be used alone.
Use the Mortgage Points Calculator for point break-even and the Mortgage Refinance Calculator when comparing a new offer with an existing loan. Base the final choice on complete written terms and your realistic holding period.
Three-number rule
For every offer, write down: cash cost compared with the alternative, monthly payment difference, and expected months you will keep the loan. Those three numbers turn rate and APR into a decision tied to your timeline.