CMOD-calculator

Created by Laamis, with help from Jole and Kangalioo.

If the checkbox below is unchecked, conversion is done from o!m to Etterna
If the checkbox below is checked, conversion is done from Etterna to o!m

Convert from Etterna to o!m:
Click here if you are getting inaccurate results:
(By default, don't enable this)

Insert your Etterna receptor size below without the %-sign! If left empty, the calculation will be made with size 100%

What is this tool?

You can insert your osu!mania scroll speed to it and get an accurate Etterna/SM CMod value.
The values have been checked frame by frame so it actually lines up with both games.

How accurate is this tool?

Here is a video comparison of different scroll speeds and receptor sizes between the games. The values were calculated using this calculator.

Huge thanks to Jole for this.

Keep in mind that this tool will only convert the raw velocity of the notes, so differences between receptor heights will not be accounted for.

Here are the border-values to convert from Etterna to o!m
(The values 11-40 are extrapolated from the first 10 numbers. Decimals have been rounded to the nearest whole number and might be off by 1-2CMod)

SS	Cmod min	Cmod max
1	32	62
2	63	94
3	95	126
4	127	158
5	159	189
6	190	221
7	222	253
8	254	285
9	286	316
10	317	348
11	349	380
12	381	412
13	413	443
14	444	475
15	476	507
16	508	539
17	540	570
18	571	602
19	603	634
20	635	666
21	666	697
22	698	729
23	730	761
24	762	793
25	793	824
26	825	856
27	857	888
28	889	920
29	920	952
30	952	983
31	984	1015
32	1016	1047
33	1047	1079
34	1079	1110
35	1111	1142
36	1143	1174
37	1174	1206
38	1206	1237
39	1238	1269
40	1270	1301