🏆 Standard Complexity Rankings

Not all standards are equal. Complexity scores help you quickly gauge how difficult a standard will be to understand and implement.

💡 How Complexity Scores Are Calculated

Four factors combine to produce a 0–10 complexity score. Higher means more demanding.

📖
Reference Count
How many other standards this one references
🗺
ICS Breadth
Number of distinct classification categories
📝
Scope Length
Word count of the scope description
🔨
Type Weight
Specification, guide, or terminology — weighted by complexity
RankStandardScoreLevel
1
GB/T 1.1-2009 2868 refs · Score 0.6 Compare with ISO 3696:1987 →
0.6
Easy
2
ISO 3696:1987 2299 refs · Score 0.5 Compare with GB/T 1.1-2009 →
0.5
Easy
3
GB/T 2828.1-2012 2225 refs · Score 0.4 Compare with GB/T 191-2008 →
0.4
Easy
4
GB/T 191-2008 2095 refs · Score 0.4 Compare with GB/T 2828.1-2012 →
0.4
Easy
5
GOST 1770-1974 2034 refs · Score 0.4 Compare with GOST 6709-1972 →
0.4
Easy
6
GOST 6709-1972 1953 refs · Score 0.4 Compare with GOST 1770-1974 →
0.4
Easy
7
GB/T 6682-2008 1899 refs · Score 0.4 Compare with GOST 3118-1977 →
0.4
Easy
8
GOST 3118-1977 1727 refs · Score 0.3 Compare with GB/T 6682-2008 →
0.3
Easy
9
EN 60529:1991 1573 refs · Score 0.3 Compare with GB/T 2828.1-2003 →
0.3
Easy
10
GB/T 2828.1-2003 1542 refs · Score 0.3 Compare with EN 60529:1991 →
0.3
Easy
11
EN ISO 12100:2010 1507 refs · Score 0.3 Compare with GB/T 1804-2000 →
0.3
Easy
12
GB/T 1804-2000 1446 refs · Score 0.3 Compare with EN ISO 12100:2010 →
0.3
Easy
13
GB/T 1184-1996 1413 refs · Score 0.3 Compare with GOST 25336-1982 →
0.3
Easy
14
GOST 25336-1982 1391 refs · Score 0.3 Compare with GB/T 1184-1996 →
0.3
Easy
15
GOST 4204-1977 1387 refs · Score 0.3 Compare with GOST 14192-1996 →
0.3
Easy
16
GOST 14192-1996 1318 refs · Score 0.3 Compare with GOST 4204-1977 →
0.3
Easy
17
GB/T 2829-2002 1301 refs · Score 0.3 Compare with GOST 427-1975 →
0.3
Easy
18
GOST 427-1975 1295 refs · Score 0.3 Compare with GB/T 2829-2002 →
0.3
Easy
19
GB/T 8170-2008 1257 refs · Score 0.3 Compare with GOST 15150-1969 →
0.3
Easy
20
GOST 15150-1969 1222 refs · Score 0.2 Compare with GB/T 8170-2008 →
0.2
Easy
21
GOST 12.1.005-1988 1220 refs · Score 0.2 Compare with GB 5226.1-2008 →
0.2
Easy
22
GB 5226.1-2008 1214 refs · Score 0.2 Compare with GOST 12.1.005-1988 →
0.2
Easy
23
GOST 12.1.007-1976 1200 refs · Score 0.2 Compare with ISO 12100:2010 →
0.2
Easy
24
ISO 12100:2010 1189 refs · Score 0.2 Compare with GOST 12.1.007-1976 →
0.2
Easy
25
ISO 5855-2 1134 refs · Score 0.2 Compare with ISO 12100:2010 →
0.2
Easy