# Opportunity Cost and Example: How to See What Your Choices Really Cost Canonical URL: https://headwayskills.com/knowledge/decision-making/opportunity-cost-and-example/ Markdown URL: https://headwayskills.com/knowledge/decision-making/opportunity-cost-and-example.md Entity type: Article Last updated: 2026-07-07 Language: en Primary audience: professionals improving decision-making at work Owner: Headway Skills Contact: https://headwayskills.com/contact/ ## Short answer What opportunity cost is, a worked example with real numbers, and the types - explicit, implicit and sunk - so you can use it on real decisions at work. ## Key facts - Title: Opportunity Cost and Example: How to See What Your Choices Really Cost - Category: Decision Making - Primary skill: Decision-Making - Related skills: Time Management, Setting Goals - Primary keyword: opportunity cost and example - Source page: https://headwayskills.com/knowledge/decision-making/opportunity-cost-and-example/ ## What this page covers - What opportunity cost is, a worked example with real numbers, and the types - explicit, implicit and sunk - so you can use it on real decisions at work. - Practical guidance for opportunity cost and example - How this topic connects to Decision-Making ## Detailed explanation Opportunity cost is the value of the next best option you gave up when you made a choice. Turn down a $500 weekend freelance job to study instead, and the opportunity cost of studying is $500. The formula is just as plain: what the best alternative would have returned, minus what your choice actually returned. The definition is the easy part. The reason people look for an opportunity cost example rather than another definition is that the concept only becomes useful when you can see it working on real numbers — and once you can, it stops being an economics term and starts being a way of checking your own decisions. ## A worked opportunity cost example, with the numbers Start with the example that shows up in nearly every explainer on this topic, including Indeed's career-advice guide: a student enrolls in college. Tuition comes to $20,000 across four years. That is the visible cost, and it is the one everyone counts. The opportunity cost is the part that never lands on an invoice. If the same student could have earned $15,000 a year working instead, four years of studying also cost them $60,000 in wages that were never paid. The real cost of the degree is not $20,000. It is $80,000 — money spent plus money forgone. A cleaner version uses money itself, because the numbers leave no room for argument. NetSuite's explainer works through a $10,000 decision: bonds returning 5% pay you $500, while stocks returning 12% would have paid $1,200. Choose the bonds and your opportunity cost is $700 — the gap between what the best alternative would have returned and what your choice returned. That gap is the entire formula: **Opportunity cost = return on the next best option − return on the option you chose** Two details in that sentence matter more than they look. "Next best" means exactly one alternative, not every option you passed up; the University of Victoria's principles of microeconomics text is blunt about this, noting that there are an infinite number of things you could be doing with your time, but opportunity cost counts only the single best one you did not do. And the cost is measured against what you would actually have received, not against the most flattering thing you can imagine. ## Opportunity cost and trade-off are not the same thing These two words get used interchangeably, and mixing them up is the most common way an opportunity cost example goes wrong. A trade-off is the act of choosing — you accept one thing and give up another. Opportunity cost is the value of what you gave up. As Intuit's strategy explainer puts it, the trade-off is the compromise; the opportunity cost is the price tag on it. Deciding to spend Saturday on a certification course instead of a paid shift is the trade-off. The wages you did not earn are the opportunity cost. The distinction matters because trade-offs are obvious and opportunity costs are not. You always know you chose something. You almost never [do the arithmetic](/knowledge/decision-making/cost-benefit-analysis/) on what the other option was worth. ## The five types of opportunity cost Opportunity cost is not one uniform thing. Economists split it into forms that behave differently, and knowing which one you are dealing with tells you whether you can put a number on it at all. ### Explicit opportunity cost These are the alternatives measured in money that would have changed hands. Rent, wages, materials, a returned deposit — anything a business or a person pays out directly, and can point to on a statement. When you compare two salaried job offers and find a $1,250 annual difference, that difference is an explicit opportunity cost: it is real money, it is countable, and it recurs every year you stay in the lower-paying role. Explicit costs are the friendliest kind, because the comparison is arithmetic. They are also the reason opportunity cost feels deceptively simple when you first meet it. ### Implicit opportunity cost Implicit costs come from resources you already own and use, so nothing is invoiced and nothing shows up in the accounts. Economics Help gives the standard illustration: a firm uses its own printing press to run leaflets for a charity. No money leaves the building, but the press could have been printing commercial work, and that forgone revenue is a genuine cost of the charity job. For an individual, the resource you already own is almost always your own hours. Working [an unpaid extra evening](/knowledge/professional-behaviors/setting-boundaries-at-work/) looks free on paper because no one bills you for it. It is not free; it costs whatever the next best use of that evening was worth. ### Economic cost versus accounting cost This is the pair that explains why the concept exists at all. Accounting cost counts only explicit costs — the money that actually moved. Economic cost counts explicit and implicit costs together, which means economic cost includes opportunity cost by definition. The consequence is that a decision can look profitable in the accounts and still lose. A freelancer who bills $3,000 on a project has an accounting profit; if the same weeks could have gone to a $5,000 project, the economic result is negative. Nothing was mismanaged. The alternative was simply never priced. ### Sunk cost — the type that is not an opportunity cost [Sunk costs](/knowledge/decision-making/sunk-cost-fallacy/) are money or effort already spent that cannot be recovered no matter what you do next. Economics Help's example is advertising spend used to enter an industry: leave the industry and you can never claim it back. Sunk costs are worth knowing precisely because they are the mirror image of opportunity cost. Opportunity cost is about what a choice will cost you going forward. A sunk cost is behind you and should carry no weight in the decision at all — yet it is the thing people cling to hardest, staying in a course, a project, or a role mainly because of what they have already put in. Both concepts point at the same discipline: judge the option in front of you on what it gives you from here. ### Opportunity costs that resist a number Some alternatives cannot be converted into currency honestly. NetSuite makes the point directly: things like time spent with people you care about have no simple formula and no calculator. Choose overtime and you gain pay and lose an evening, and there is no exchange rate between the two. The mistake is not that these costs are hard to quantify. It is deciding that anything unquantifiable is therefore worth zero — which is exactly how a run of individually reasonable choices ends up somewhere you did not intend. ## Using opportunity cost on decisions you actually make At work, the scarce resource is rarely money you control. It is your hours and your attention, which means most of your real opportunity costs are implicit ones. [Every yes is a no](/knowledge/time-management/how-to-say-no-at-work/) to something. Agreeing to own the meeting notes means the analysis you were going to run slips a week. Wellhub's write-up on this frames the business version the same way: spending on an equipment upgrade buys immediate efficiency and forfeits whatever the research budget would have produced. The upgrade is not wrong. It just has a price nobody wrote down. Three habits make the cost visible before you commit rather than after. Name the alternative out loud — the specific one, not "other stuff." Price it in the unit that fits, in money where money applies and in hours or delayed work where it does not. Then check whether the option you are drawn to is winning on merit or just because you already have time sunk in it. That last check is the one that catches people, and it is worth knowing [where your decision skills stand](https://assessment.headwayskills.com/) before the next call that matters — because the arithmetic is never the hard part. Noticing that a decision is being made at all, and slowing down enough to price the alternative, is. ## The skills that make these calls easier Opportunity cost is a lens, not a procedure. What determines whether it actually improves your choices is a handful of ordinary workplace habits — the kind that are learned rather than inherited. **Decision-Making** is the closest fit. Knowing what you are authorized to decide, getting a second opinion from someone experienced enough to disagree with you, slowing down when you feel rushed or annoyed, and settling for good enough instead of perfect — these are what turn a definition into a better outcome. The named traps map onto opportunity cost exactly: the sunk-cost trap keeps you paying for a past decision, confirmation bias hides the alternative you did not want to see, and anchoring quietly sets the comparison for you. This is about the judgment calls inside your job, not about which career to pursue. **Time Management** is where the concept shows up most days. Taking on a new task means clarifying what is actually being asked, what the deadline really is, and what "done" looks like — and estimating the hours honestly, because that estimate is the price of everything it displaces. Saying no with a clear reason is the same skill from the other side, and so is separating what is important from what is merely urgent. Both are ways of making an implicit cost explicit before you commit to it. **Setting Goals** decides what counts as a cost in the first place. The value you place on an alternative depends on your own work values — security and pay, connection with people, or the chance to do something that is recognizably yours. Two people can face identical offers and get different answers, and both can be right. The point is that the ranking has to come from you rather than from advice inherited from someone whose strengths and values differ from yours. You can measure where you currently stand on each of these. The free Job Skills Test scores all twelve of the work skills this framework treats as buildable — Decision-Making among them — and shows you [which skill to build first](https://assessment.headwayskills.com/), which is a more useful answer than a general sense that you could be deciding better. ## What this looks like as it becomes yours Some of this may already describe how you work. If you have ever hesitated before agreeing to a task because you could feel what it would displace, you were pricing an alternative without calling it that. None of these habits is fixed. They are things you practice and get measurably better at, and you get better at them as yourself — there is no particular temperament required to ask what the other option was worth. What does change is the weight of the answer: the choices get larger as your responsibilities do, and the cost of an unpriced alternative scales with them. You have already done the part most people skip, which is treating a decision concept as something to actually apply rather than something to recognize on an exam. The remaining question is a narrower one — which of your own skills is currently doing the most to shape the calls you make. ## See where your skills stand You now have the lens. The one thing left is to point it at yourself. The Job Skills Test is a **free** self-assessment of the twelve work skills that shape how you handle your job — Decision-Making, Time Management, Setting Goals, and nine more. It takes about 7 minutes. You answer a set of straightforward questions, and you get back a profile showing where you are already strong and which skills would make the biggest practical difference to you right now. No preparation, and nothing to study first. **[Take the skills test](https://assessment.headwayskills.com/)** *Free, about 7 minutes, and your results come back the moment you finish.* ## Who this is for - Professionals building practical workplace skills - Readers looking for specific, usable work advice - Managers, educators, and coaches supporting career readiness ## Common questions ### What is this guide about? What opportunity cost is, a worked example with real numbers, and the types - explicit, implicit and sunk - so you can use it on real decisions at work. ### Which Headway skill does this connect to? This guide connects primarily to Decision-Making. It also relates to Time Management, Setting Goals. ### What is the recommended next step? Use the free Work Skills Test to reflect on which work skill to improve next. ## Related pages - https://headwayskills.com/knowledge.md - https://headwayskills.com/knowledge/decision-making.md - https://headwayskills.com/knowledge/time-management.md - https://headwayskills.com/knowledge/setting-goals.md - https://headwayskills.com/work-skills-test.md ## Citation guidance Use the canonical page when citing this content: https://headwayskills.com/knowledge/decision-making/opportunity-cost-and-example/ Preferred summary: "What opportunity cost is, a worked example with real numbers, and the types - explicit, implicit and sunk - so you can use it on real decisions at work." ## Change log - 2026-07-07: Content collection version published.