The income lever
How much income offsets height, according to the data
In the most-cited study of online dating, income and height substituted for each other in women's responses at roughly $40,000 of annual income per inch of height. This is the single most useful finding for a shorter man, because unlike height, income is something you can move.
Published 3 June 2026 · 9 min read
The internet loves to state the height problem. It almost never states the height solution that sits in the very same research. So here it is, in full: the market that rewards height also lets you buy your way up it, at a rate that has actually been measured.
The finding, precisely
Economists Gunter Hitsch, Ali Hortacsu and Dan Ariely analyzed the messaging behavior of a large sample of online-dating users and modeled how much first-contact interest a man's profile drew as a function of his attributes. Two of those attributes were height and income, and because they could estimate the effect of each separately, they could also estimate the rate at which one substitutes for the other.
Their headline illustration: a man of five-foot-six needed roughly $226,000 more in annual income than a man of five-foot-eleven-and-a-half to draw the same amount of interest. Across that five-and-a-half-inch gap, that works out to about $41,000 of income per inch of height, which is where the round "about $40,000 per inch" figure comes from.
About $40,000 of annual income moves a man's first-contact response roughly as much as one inch of height. Height is fixed. Income is not.
What "substitution" really means here
It is worth being careful about what the study did and did not claim. It did not find that women consciously convert inches into dollars, or that anyone is doing arithmetic on a profile. It found a pattern in aggregate behavior: when you look across thousands of users, the amount of interest a profile attracts moves with both height and income, and the two move it in the same direction, so a deficit in one can be numerically offset by a surplus in the other. That is what a substitution rate is, a description of the aggregate response surface, not a claim about anyone's inner monologue.
This matters because it keeps the finding honest. The $40,000-per-inch number is a population-level trade-off, not a promise that any specific raise will produce any specific number of matches. But as a lever, it is real and it is directional: more income measurably shifts response, and it does so at a rate the researchers could put a figure on.
Why this is the finding that changes the picture
Height and income differ in one decisive way. You cannot add an inch of height. You can, over a career, add tens of thousands of dollars of annual income, through promotion, a job change, a raise, a side business, a credential. The height finding on its own is a closed door. The income finding is the door standing next to it that actually opens.
Framed as effective height, the math is encouraging. A five-foot-seven man who raises his income by $80,000 over a few years has, in the response data, done something on the order of adding two effective inches, moving from the response profile of a five-foot-seven man toward that of a five-foot-nine man. He is still five-foot-seven. His position in the opening filter has moved anyway.
Honest limits on the lever
Three caveats keep this from becoming its own kind of hype.
- It is about first contact. Like the rest of this research, the income effect is measured at the opening-message stage, not at compatibility or commitment. Income buys shots on goal, not a relationship.
- The rate is an average, not a guarantee. $40,000 per inch describes the aggregate. Your local market, your profile, and everything about you as a person move the real result around that average.
- Income takes time. This is the slower of the two levers. That is exactly why the report pairs it with fitness, which for most men moves faster. See the two levers you actually control.
How to use it
Treat the number as a planning tool, not a scoreboard. If you know that roughly $40,000 of income maps to about an inch of effective height, you can ask a concrete question: what income would move me to the position of a man an inch or two taller, and is that income reachable on my current trajectory? For many men the answer is yes over a two-to-five-year horizon, which turns a fixed disadvantage into a plan with a timeline. That is the whole point of quantifying it.
What income moves your position? Get the number.
The $9 report converts your income into effective inches and tells you the exact figure that would move you to your target position, alongside your fitness lever.
Get your Short King Report · $9Sources
- Hitsch, G. J., Hortacsu, A., & Ariely, D. "What Makes You Click? Mate Preferences in Online Dating." Quantitative Marketing and Economics. Source of the income-for-height substitution, including the roughly $226,000-over-5.5-inches illustration.
- Full figure summaries on our Sources page; model logic on Methodology.