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Roman Numeral Decoding Quiz

Beat the clock to decode these randomly-generated Roman Numerals.
The questions change every time!
Quiz by Quizmaster
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Last updated: September 3, 2018
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First submittedJanuary 23, 2011
Times taken332,942
Average score65.0%
Rating4.86
2:00
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0
 / 20 guessed
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Keep scrolling down for answers and more stats ...
   Roman   
Arabic
XLIII
43
II
2
MCXXXII
1132
MCCCXIII
1313
X
10
   Roman   
Arabic
XCIII
93
CXV
115
CLXXI
171
XLIV
44
VI
6
   Roman   
Arabic
XII
12
XLVIII
48
MDLXX
1570
CDXIX
419
MDCCLXXI
1771
   Roman   
Arabic
XXXVI
36
XCV
95
MDCCCXXXV
1835
CDLXIV
464
CLXXVIII
178
+1
Level 81
Nov 23, 2016
Toughest of the 3 math badge quizzes for me. Good quiz. Took me a few tries.
+2
Level 60
Nov 23, 2016
This was the easiest for me. Addition and multiplication was much harder.
+1
Level 51
Dec 8, 2016
cool quiz, 31s left, first go
+1
Level 10
Dec 19, 2016
I forgot what M was but I remembered later and got 17/20 on my second try
+1
Level 49
Dec 28, 2016
So. Stressful.

But I got them all, so I'm happy in the end.

I'm going to die young.

+1
Level 57
Jan 15, 2017
I only got V
+1
Level 43
Jan 24, 2017
35 seconds remaining
+1
Level 59
Feb 8, 2017
20/20 with 1 second left!
+1
Level 43
Feb 28, 2017
35 seconds left!
+1
Level 45
Mar 1, 2017
33 seconds left. Finally playing this quiz IV times in a row pays off.
+3
Level 40
Mar 8, 2017
I finished all of these with 2:01 left, I am only 2 months old and have already studied all the great Roman literature. I grew up in a poor neighborhood in Naples and yet I can recite Pliny's great works verbatim.
+1
Level 24
Mar 26, 2017
25 seconds remaining dude!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+1
Level 37
Apr 25, 2017
Why do you constantly edit my comments? - (I use no profanity) Can't stand the heat? (of criticism) Get out of the kitchen!
+2
Level ∞
Apr 26, 2017
I never edit comments, but I might remove them for many reasons. Not sure if yours have ever removed.
+1
Level 74
Apr 27, 2017
I was literally just about to type in the last one before the timer got to zero... Damn you, methodical brain, why can't you just be fast?
+1
Level 71
Apr 28, 2017
Good Quiz, anyone doing this quiz must like a challenge. then try 'The CHALLENGE' ..... at ... ... http://www.jetpunk.com/user-quizzes/120558/the-challenge
+1
Level 52
Apr 28, 2017
I got them all right with 4 minutes left and I am only -6. Guess what? I don't care how old you are and how much time you had left!
+2
Level 65
May 29, 2019
I dont care about people that dont care about other peoples comments
+1
Level 63
Apr 28, 2017
Easy.
+3
Level 32
Apr 30, 2017
I=1 V=5 X=10 L=50 C=100 D=500 M=1,000 and if it has an underline (except "i") multiply by 1,000 (i.e. if you underline D it becomes 500,000 rather than 500.)
+1
Level 63
May 9, 2017
needed one more second, 19/20
+1
Level 58
May 13, 2017
anyone better than 1:17?
+1
Level 39
Jun 3, 2017
Finished with 2 seconds left!
+1
Level 69
Jun 15, 2017
I got XV/XX on my first try and im XI
+1
Level 61
Jul 4, 2017
For those of us not familiar with roman numerals, this is a great test of working memory: I could not get this test when I normally take quizzes, at night, but now, after a night's sleep got it on the first try with 25 s remaining.
+1
Level 19
Jul 31, 2017
0:11 left :)
+1
Level 45
Aug 20, 2017
impossible...
+1
Level 46
Aug 30, 2017
Just learnt my roman numerals - at age 40+ Whoop whoop
+1
Level 94
Sep 1, 2017
Too easy man
+1
Level 28
Nov 9, 2017
0:36 left - first try - and i can do faster!!!
+1
Level 95
Nov 20, 2017
1'22'' left
+1
Level 37
Dec 13, 2017
Wen the "untimed" route and still missed three. After a while you get cross-eyed with all those "x" es and "d"s
+2
Level 65
May 29, 2019
I have the opposite the first 3-5 numbers went slow, after that it was just more and more like normal numbers. Like what happens when you read backwards, upside down, or wehn sntecenes are witertn lkie tihs.
+1
Level 23
Jan 31, 2018
Math Wizard Now
+1
Level 46
Feb 13, 2018
2 seconds left!!
+1
Level 21
Apr 11, 2018
1 sec left!!!!!!!!!
+1
Level 37
Apr 19, 2018
I got it with 56 seconds left. The time is fine.
+1
Level 49
May 27, 2018
Second try, finished with 13 seconds left.
+1
Level 45
May 29, 2018
Finished with 27 seconds left!!!!
+1
Level 88
Jun 16, 2018
Randomly...it came up with important dates in Roman history.
+1
Level 37
Aug 28, 2018
The numbers should be invisible untill you hit start. Now you see them beforehand and can already(if not automatically) solve some.
+1
Level 65
May 29, 2019
Same with every single quiz on this site... thid one is mo different.
+1
Level 54
Sep 21, 2018
quick tip: M = 1000 D = 500 C = 100 L = 50 X = 10 V = 5 I = 1
+1
Level 49
Sep 25, 2018
Did it untimed as years since I've used Roman numerals. But very pleased I got them all right
+1
Level 27
Oct 18, 2018
Excellent quiz! Nothing to brag about here but a great challenge to my processing of roman numerals.
+1
Level 73
Nov 7, 2018
I thought that I had a lot of time... until the last 5 or so. 20/20 with 0:01 left!
+1
Level 41
Dec 15, 2018
Numbers to Roman numerals would make a good quiz
+1
Level 48
Jan 24, 2019
Got it with XIV seconds left.

My skills are useless in the real world.

+1
Level 68
Mar 21, 2023
Am feeling this. Roman numerals my only talent.
+1
Level 49
Apr 24, 2019
20/20 with 4 seconds left.
+1
Level 84
Apr 25, 2019
Fun challenge. Took four goes and only had one second to spare!
+1
Level 58
May 28, 2019
good challenge, felt impossible at the beginning with only 11 but after 5 or six attempts eventually got it, you just start to do more of it unconsciously
+1
Level 26
Aug 14, 2019
I don't understand why all maths quizzes give so little time. I think being able to do those calculations fast is one thing, but what is rarely tested is the ability to do more complicated calculations like taking roots, factoring or squaring.
+1
Level 37
Nov 6, 2019
26 seconds left
+3
Level 37
Nov 28, 2019
Thanking the person who invented the decimal system.
+1
Level 71
Nov 30, 2019
1:03 left
+1
Level 43
Jan 8, 2020
I'm Really good at roman numerals
+1
Level 75
Sep 27, 2020
What's MMCMLXXIX then?
+1
Level 61
Sep 8, 2021
* one year later*

2979

+1
Level 60
Apr 9, 2020
in MCDXCII, Columbus sailed the ocean blue. lol
+1
Level 52
Jul 8, 2020
would've aced it if I had more time ;)
+1
Level 35
Jul 29, 2020
i can do math but it takes a while :(
+1
Level 30
Aug 14, 2020
Got full on the 4th try...

Very interesting and challenging

You've got yourself a new subscriber...

+1
Level 59
Aug 28, 2020
Had to complete this to get the Math Wizard Badge... five seconds left
+1
Level 62
Oct 1, 2020
I got all of them with 1 second left!!!
+1
Level 58
Oct 26, 2020
This was super fun! I actually got them all, to my surprise!
+1
Level 59
Oct 30, 2020
Does MCMLXII have any significance? Is that when Quizmaster was born perhaps...? Or his/her parents got married?
+1
Level 76
Dec 6, 2021
The numbers are randomly generated.
+1
Level 28
Feb 15, 2021
0 right. 1:59 left
+1
Level 65
Mar 3, 2021
Finally earned the Math Wizard badge with exactly 1 second left on this.
+1
Level 25
Jun 17, 2021
Finally managed to count all of it. But not with a timer. :) hahaa... well well. Our educational system is not good in my country.

I want to be better at maths.

+2
Level 88
Oct 2, 2021
Reading long Roman numerals is like making change 5 times before you get your money back.
+2
Level 29
Oct 2, 2021
I=1

V=5

X=10

L=50

C=100

D=500

M=1000

+1
Level 19
Dec 8, 2021
I got 83, 85, 87, and 88 in the same quiz
+1
Level 76
Dec 10, 2021
Thank you, Arabic numerals.
+1
Level 34
Jan 10, 2022
MMDCCCLXXXVIII should be 2888 but it isn't??
+1
Level 34
Jan 10, 2022
MMDCCCLXVIII should be 1868 but it isn't????
+1
Level 54
Jan 28, 2022
innit?
+1
Level 84
Dec 14, 2023
It's 2868.
+1
Level 54
Jan 28, 2022
CDXX=420😂
+1
Level 56
Apr 29, 2022
Just no...
+1
Level 24
May 4, 2022
Wednesday, V/V/MMXXII.

Finished with about XXI seconds left.

+1
Level 31
May 27, 2022
I dont like roman numerals. The fact we do them every year in school for about 1 week, and then forget it, just makes you have to learn them agian. So this took me 3 days.
+1
Level 24
Jun 15, 2022
this is the reason why i cant get the math badge
+1
Level 54
Sep 30, 2022
Retro in die meo hoc esset negotium simplex cuivis cum dimidia parte cerebri.

Vale, Trajan!

+1
Level 78
Nov 8, 2022
cogito ergo sums
+1
Level 60
Jan 11, 2023
too easy first try
+1
Level 17
Jan 13, 2023
7 seconds left on first try, too ez
+1
Level 43
Jan 31, 2023
WOWZERS ZOINKS HELLA COOL YO
+1
Level 43
Feb 9, 2023
Got 42,51,58 cause of the super bowls
+1
Level 52
Feb 16, 2023
this quiz is insanely difficult . . . maybe add some more time
+1
Level 68
Mar 21, 2023
Beating the clock was fun for me. 1 minute 17 seconds.
+1
Level 58
Mar 22, 2023
Everybody vibing till they pull out the MMDCCCLXXXIV
+1
Level 40
May 11, 2023
Today I learned I'm a ROMAN MATH GOD! TOO EASY!
+1
Level 58
Jun 23, 2023
,,probably the easiest quiz on jetpunk...
+1
Level 33
Jan 9, 2024
OMG got 12....... Time is too short for me
+1
Level 20
Jan 30, 2024
Every time my teacher tells me to write the date on my papers, I'll be putting these Roman numerals on there. Malicious compliance
+1
Level 45
Jan 31, 2024
Good quiz, could do with less time though
+1
Level 20
Feb 28, 2024
Good Quiz but to easy
+1
Level 45
Feb 28, 2024
Sometimes there are benefits to being old. These were the only numbers we had when I was young