.2M more over a lifetime than a high school grad — but is the ROI worth it?
What this calculator does
The average 4-year degree costs
20,000–$200,000 including tuition, housing and opportunity cost.
When to use this calculator
This tool is most useful when you need a result you can trust without double-checking. It applies the correct formula automatically and handles edge cases that trip up manual calculation.
Common mistakes
Many errors with practical calculators arise from not reading the result in context. A number without units, without scale, or without comparison against a reference range is hard to interpret correctly.
Real-world scenarios
A traveller converts currency amounts for a trip budget, checking live rates against historical averages to understand whether the current rate is favourable or whether it makes sense to exchange at a different time.
Frequently asked questions
Is college worth the investment?
On average, yes — the lifetime salary premium exceeds costs. But ROI varies hugely by major and school.