Thermal conductivity

Ability of the elemental substance to conduct heat at room conditions. The table doubles as a ranking of best and worst heat conductors.

Minimum 0.0036 W/(m·K) Radon

Maximum 429 W/(m·K) Silver

Average 67.349621 W/(m·K)

Data available 66 of 118

Showing 118 of 118 elements

	Symbol	Name
1	H	Hydrogen	0.1815
2	He	Helium	0.152
3	Li	Lithium	84.8
4	Be	Beryllium	201
5	B	Boron	27.4
6	C	Carbon	1.59
7	N	Nitrogen	0.026
8	O	Oxygen	0.027
9	F	Fluorine	0.028
10	Ne	Neon	—
11	Na	Sodium	142
12	Mg	Magnesium	156
13	Al	Aluminum	237
14	Si	Silicon	149
15	P	Phosphorus	—
16	S	Sulfur	0.27
17	Cl	Chlorine	0.009
18	Ar	Argon	0.0177
19	K	Potassium	79
20	Ca	Calcium	—
21	Sc	Scandium	15.8
22	Ti	Titanium	21.9
23	V	Vanadium	30.7
24	Cr	Chromium	93.9
25	Mn	Manganese	—
26	Fe	Iron	80.4
27	Co	Cobalt	100
28	Ni	Nickel	90.9
29	Cu	Copper	401
30	Zn	Zinc	116
31	Ga	Gallium	28.1
32	Ge	Germanium	60.2
33	As	Arsenic	—
34	Se	Selenium	0.52
35	Br	Bromine	0.005
36	Kr	Krypton	0.0095
37	Rb	Rubidium	58.2
38	Sr	Strontium	—
39	Y	Yttrium	—
40	Zr	Zirconium	22.7
41	Nb	Niobium	53.7
42	Mo	Molybdenum	—
43	Tc	Technetium	50.6
44	Ru	Ruthenium	117
45	Rh	Rhodium	150
46	Pd	Palladium	71.8
47	Ag	Silver	429
48	Cd	Cadmium	96.9
49	In	Indium	81.8
50	Sn	Tin	66.8
51	Sb	Antimony	24.43
52	Te	Tellurium	14.3
53	I	Iodine	—
54	Xe	Xenon	0.0057
55	Cs	Cesium	35.9
56	Ba	Barium	—
57	La	Lanthanum	13.4
58	Ce	Cerium	11.3
59	Pr	Praseodymium	12.5
60	Nd	Neodymium	—
61	Pm	Promethium	17.9
62	Sm	Samarium	—
63	Eu	Europium	13.9
64	Gd	Gadolinium	—
65	Tb	Terbium	11.1
66	Dy	Dysprosium	10.7
67	Ho	Holmium	—
68	Er	Erbium	—
69	Tm	Thulium	—
70	Yb	Ytterbium	—
71	Lu	Lutetium	—
72	Hf	Hafnium	23
73	Ta	Tantalum	57.5
74	W	Tungsten	173
75	Re	Rhenium	48
76	Os	Osmium	—
77	Ir	Iridium	147
78	Pt	Platinum	71.6
79	Au	Gold	318
80	Hg	Mercury	8.3
81	Tl	Thallium	46.1
82	Pb	Lead	35.3
83	Bi	Bismuth	7.9
84	Po	Polonium	—
85	At	Astatine	—
86	Rn	Radon	0.0036
87	Fr	Francium	—
88	Ra	Radium	—
89	Ac	Actinium	—
90	Th	Thorium	—
91	Pa	Protactinium	—
92	U	Uranium	27.5
93	Np	Neptunium	—
94	Pu	Plutonium	—
95	Am	Americium	—
96	Cm	Curium	—
97	Bk	Berkelium	—
98	Cf	Californium	—
99	Es	Einsteinium	—
100	Fm	Fermium	—
101	Md	Mendelevium	—
102	No	Nobelium	—
103	Lr	Lawrencium	—
104	Rf	Rutherfordium	—
105	Db	Dubnium	—
106	Sg	Seaborgium	—
107	Bh	Bohrium	—
108	Hs	Hassium	—
109	Mt	Meitnerium	—
110	Ds	Darmstadtium	—
111	Rg	Roentgenium	—
112	Cn	Copernicium	—
113	Nh	Nihonium	—
114	Fl	Flerovium	—
115	Mc	Moscovium	—
116	Lv	Livermorium	—
117	Ts	Tennessine	—
118	Og	Oganesson	—