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Credit conversion 路 Verified against the ECTS Users' Guide

US credits to ECTS

Convert US semester or quarter hours into European credits, then see which European qualification level your total matches 鈥?the read most converters don't give you.

US system

鈫?calculated from the hours below

Total workload = contact hours 脳 weeks 脳 self-study multiplier. The multiplier accounts for reading, assignments and exam prep done outside class.

Some programmes use 1.5 or 3 instead of 2. Your registrar's figure always overrides the default.

European system
ECTS credits
60cr
Quarter credit hours
45cr
European workload  1,500 鈥?1,800 h
US equivalent  1,350 h
Full-time years (EU)  1.0
Degree equivalence

30 US semester credits is a full-time US academic year 鈥?one European year in ECTS terms.

One US full-time year is about 30 semester credits, and one European full-time year is 60 ECTS. A three-year US bachelor's is roughly 90 semester credits (180 ECTS) and a four-year programme 120鈥?30 (240鈥?60 ECTS).

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Converting the other way ECTS 鈫?US credit hours converter

Why the conversion isn't one to one

The two systems count different things. That is the whole reason a conversion factor exists, and it is why every honest converter returns an approximation rather than an exact figure.

ECTS
25 鈥?30 h

per credit, measuring total student workload 鈥?lectures, labs, assignments, independent study and exam preparation. A full-time year is 60 ECTS, or roughly 1,500鈥?,800 hours.

US semester credit
鈮?45 h

per credit, built from classroom contact time 鈥?about 15 contact hours plus an expected 30 hours of outside work. A full-time year is about 30 semester credits.

Divide the two full-time years into each other and you get the familiar 2:1 ratio: 60 ECTS a year against 30 semester credits a year. So one US semester credit converts to 2 ECTS, and 2 ECTS convert back to one US semester credit. Compare raw workload hours instead and the ratio lands somewhere between 1.5:1 and 1.8:1, depending on whether your institution counts an ECTS credit as 30 hours or 25. All three figures are defensible, but 2:1 is the one evaluators and admissions offices actually apply, so it is the default here.

Three ways to run the conversion

METHOD 01

Standard ratio

Double your US credit hours. Use this unless you have been told otherwise 鈥?it is the baseline applied by credential evaluators and most admissions offices.

ECTS = US semester credits 脳 2
METHOD 02

Workload hours

Build up from weekly teaching time. Use this when a transcript lists contact hours rather than credits, or when your institution's ratio differs from 2:1.

hours = contact/wk 脳 weeks 脳 multiplier
US credits = hours 梅 45
ECTS = hours 梅 25
METHOD 03

Institution's ratio

Enter the exact figure your registrar or partner university published. Some programmes use 1.5 or 3 rather than 2, and their figure is the one that counts.

ECTS = US semester credits 脳 your ratio

A converted figure is not an official conversion

Formal credit recognition is decided by the receiving institution 鈥?through a Learning Agreement for exchange study, or a credential evaluation for degree admission. Use the number here to plan and to ask better questions. Do not submit a calculator printout as documentation.

Common totals at a glance

US semester crUS quarter crECTSWhat that scale of work is
34.56A typical single course
1522.530Half a US / EU academic year
304560One full US or EU academic year
6090120US associate degree level
90135180Three-year European bachelor's
120180240US bachelor's floor / four-year European bachelor's
130195260Upper end of a US bachelor's requirement

Quarter credit hours convert to ECTS by going through semester credits first: quarter 梅 1.5 = semester, then semester 脳 2 = ECTS.

Questions students actually ask

How many ECTS is 1 US semester credit?
Two ECTS. The ratio falls out of the full-time load on each side: 30 US semester credits is one US academic year, 60 ECTS is one European academic year.
Why isn't the conversion one to one?
The two systems count different things. One ECTS credit represents 25 to 30 hours of total student workload, independent study included. One US semester credit is built from classroom contact time 鈥?one hour of instruction plus at least two hours of outside work per week across roughly fifteen weeks, or about 45 hours in total. Because the units measure different activity, any conversion is an approximation rather than an exact equivalence.
How do I convert US quarter credits to ECTS?
Convert quarter credits to semester credits first by dividing by 1.5, then double the result. One semester credit equals 1.5 quarter credits, so 45 quarter credits is 30 semester credits, which is 60 ECTS.
I have 120 US semester credits. Is that a full European bachelor's?
It is about 240 ECTS, which aligns with a four-year European bachelor's (240 ECTS). The gap to watch is the other direction: a three-year Bologna bachelor's is 180 ECTS, roughly 90 US semester credits against the 120鈥?30 a US degree requires.
What if my university uses a different ratio?
Use it. Published institutional ratios override the general 2:1 baseline. Ratios of 1.5:1 and 3:1 both appear in practice, usually where contact hours are unusually high or low.
Can I submit a converted credit total to a university?
No. Calculator results are estimates for planning. Formal credit recognition is decided by the receiving institution, usually through a Learning Agreement for exchange study or a credential evaluation for degree admission. Use a converted figure to plan and to ask better questions, then confirm with the institution.
Does earning more US credits raise my European qualification level?
No. Degree recognition depends on the qualification actually awarded (Bachelor, Master), not on credit volume. Extra credits above a degree's requirement do not convert a bachelor's into a master's.
Which countries use ECTS?
All members of the European Higher Education Area 鈥?the EU states plus Iceland, Norway, Turkey and others. A number of universities outside Europe have adopted it as well.

Where these figures come from

Figures last verified July 2026 路 Conversion ratios are approximations, not official standards