IB to GPA Converter
Translating an International Baccalaureate transcript for US college admissions? Convert your 1-7 IB subject scores into the standard 4.0 GPA format easily.
Standard IB to US Conversion Scale
| IB Score (1-7) | Descriptor | US Letter Equivalent | US GPA (4.0 Scale) |
|---|---|---|---|
| 7 | Excellent | A+ | 4.0 |
| 6 | Very Good | A | 4.0 |
| 5 | Good | B | 3.0 |
| 4 | Satisfactory | C | 2.0 |
| 3 | Mediocre | D | 1.0 |
| 2 | Poor | F | 0.0 |
| 1 | Very Poor | F | 0.0 |
Frequently Asked Questions
Everything you need to know, based on what students are asking right now.
US universities map the IB 1-7 scale to the standard 4.0 letter grade scale. A score of 6 or 7 generally translates to an 'A' (4.0), a 5 is a 'B' (3.0), and a 4 is a 'C' (2.0).
Yes! Because IB courses are extremely rigorous, most US high schools and college admissions offices treat them like AP courses and 'weight' them. An IB Higher Level (HL) course often receives a +1.0 GPA boost on a weighted scale.
A score of 5 on an IB exam is considered 'Good' and generally translates to a 'B' or a 3.0 on a 4.0 unweighted GPA scale. Many competitive universities look for scores of 5, 6, or 7.
On an unweighted scale, an IB 7 maps to a 4.0. However, if your high school uses a weighted 5.0 scale, an 'A' in an IB class (a 6 or 7) will often be calculated as a 5.0.
Theory of Knowledge (TOK) and the Extended Essay award up to 3 bonus points to your total IB Diploma score (out of 45), but they typically are not converted into a standard letter-grade GPA on an individual class basis by US colleges.