What Is 90% of 40?

90% on a 40-Question Test

Scoring 90% on a 40-question test means getting 36 out of 40 correct (4 wrong). That's a A- on the standard US grading scale. Great work!

Grade Scale for 40-Question Test

Each question is worth 2.50 points. Here's how many you need for each grade:

Grade	Min %	Correct Needed	Can Miss
A+	97%+	39/40	1
A	93%+	38/40	2
A-	90%+	36/40	4
B+	87%+	35/40	5
B	83%+	34/40	6
B-	80%+	32/40	8
C+	77%+	31/40	9
C	73%+	30/40	10
C-	70%+	28/40	12
D+	67%+	27/40	13
D	63%+	26/40	14
D-	60%+	24/40	16
F	0%+	0/40	40

What Score Do I Need on the Final?

If your current average is 90%, here's what you'd need on the final exam:

Target Grade	Final Exam Weight	Score Needed
70% (C-)	30%	23%
70% (C-)	40%	40%
70% (C-)	50%	50%
80% (B-)	20%	40%
80% (B-)	30%	57%
80% (B-)	40%	65%
80% (B-)	50%	70%
90% (A-)	20%	90%
90% (A-)	30%	90%
90% (A-)	40%	90%
90% (A-)	50%	90%

How to Calculate 90% of 40

Different Percentages of 40

Percentage	Result
1%	0.4
5%	2
10%	4
15%	6
20%	8
25%	10
30%	12
40%	16
50%	20
75%	30
100%	40

Looking for 90% off 40?

See what you'd pay after a 90% discount on $40.