Test Scores Comparison of Duolingo vs IELTS/TOEFL

 

Duolingo	TOEFL iBT
10-25	0
30	1
35	2-4
40	5-8
45	9-13
50	14-19
55	20-25
60	26-31
65	32-37
70	38-43
75	44-49
80	50-55
85	56-61
90	62-67
95	68-73
100	74-79
105	80-85
110	86-91
115	92-96
120	97-102
125	103-107
130	108-112
135	113-115
140	116-118
145	119
150-160	120

Duolingo	IELTS
10	1.5
15	2
20-25	2.5
30-40	3
45-50	3.5
55-60	4
65-70	4.5
75-80	5
85-90	5.5
95-100	6
105-110	6.5
115-120	7
125-130	7.5
135-140	8
145-150	8.5
155-160	9