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Credit hours

Convert enrolled credits into weekly study, class and total commitment hours.

Built and maintained by The NumberPrism Editorial TeamEditorial policy

Your details

Results update as you type. The formula and assumptions are explained below the calculator.

Weekly study hours

30 hours

Weekly class hours15 hours
Combined weekly commitment45 hours
Combined term commitment675 hours
Daily average (5 days)9 hours

Study ratios are a planning guideline, not a rule. Your major, preparation and assessment schedule all change the real workload.

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What does this tool do?

Colleges describe courses in credit hours, but your calendar sees class meetings plus homework. This calculator uses credit hours and a study ratio to show the full weekly and term commitment.

The Formula

Weekly study = Credits × Study hours per credit; Term commitment = (Weekly study + Weekly class) × Weeks

Frequently Asked Questions

Is two hours of study per credit realistic?

It is a common starting estimate, especially for reading-heavy courses. Problem sets, labs and project courses can require three or more hours per credit.

What counts as a credit hour?

In the US system, one credit usually represents about one hour of class per week for a semester. The study expectation is added on top of that contact time.