How Do Mortgage Points Actually Lower Your Payment?
A lender offering to lower a mortgage rate in exchange for cash paid upfront can sound like a simple discount, but the math behind mortgage points is really a tradeoff between money now and money saved gradually over time.
The short answer
A mortgage point is an upfront fee, typically equal to one percent of the loan amount, paid at closing in exchange for a reduced interest rate for the life of the loan. The lower rate reduces the monthly payment and total interest paid over time, but it takes a certain number of months or years of those smaller payments before the upfront cost is fully offset, a point commonly called the breakeven.
How the discount actually works
- Each point buys a rate reduction. Lenders typically quote how much a given number of points reduces the rate, often by a fraction of a percentage point per point purchased, though the exact reduction varies by lender and market conditions.
- The reduction applies to the entire loan term. Unlike a temporary promotional rate, a point-driven rate reduction generally lasts as long as the loan itself, assuming it isn’t refinanced or paid off early.
- Points are paid at closing, not spread out. The cost shows up as a closing cost, calculated as a percentage of the loan amount, separate from the down payment.
Working out the breakeven point
The way to compare paying for points against not paying for them is to divide the upfront cost by the monthly savings the lower rate produces, which gives a rough number of months needed to recoup the cost. If the upfront cost is a certain amount and the lower rate saves a smaller amount each month, dividing one by the other gives an approximate number of months before the points have paid for themselves; every month held beyond that point represents net savings.
What affects whether points make sense to weigh
- How long the loan is expected to be held. Someone planning to stay in a home well beyond the breakeven point stands to benefit more than someone who expects to move or refinance not long after buying.
- How much cash is available at closing. Paying for points requires cash on top of a down payment and other closing costs, which competes with other uses for the same funds, including the size of the down payment itself.
- Whether the rate environment might shift. Since points lock in a reduction against the rate offered at the time of closing, comparing offers from more than one lender before deciding whether points are worth it can reveal a meaningfully different starting rate to apply the discount against.
Points aren’t the only upfront option
Some loan structures allow a mix of paying points, adjusting the rate, and covering different closing costs in different proportions, which is why the same loan amount and term can be quoted multiple different ways by the same lender depending on how the upfront costs and ongoing rate are balanced against each other.
Final thoughts
Mortgage points lower a payment by trading an upfront cost for a permanently reduced rate, and the value of that trade depends heavily on the breakeven math and how long the loan is expected to last. Running the actual numbers for a specific offer, rather than assuming points are automatically worth it or automatically not, is what turns the general concept into a decision that fits a particular situation.