1atm (1013.25hPa) のときの値 飽和水蒸気を除く
| 物質 | 温度 [℃] | 熱伝導率 [W/m K] |
| 空気 | -100 | 0.0157 |
| -50 | 0.02 | |
| -20 | 0.0224 | |
| 0 | 0.0241 | |
| 20 | 0.0257 | |
| 40 | 0.0272 | |
| 60 | 0.0287 | |
| 80 | 0.0302 | |
| 100 | 0.0316 | |
| 120 | 0.0331 | |
| 140 | 0.0345 | |
| 160 | 0.0359 | |
| 180 | 0.0372 | |
| 200 | 0.0386 | |
| 250 | 0.0418 | |
| 300 | 0.0449 | |
| 350 | 0.0479 | |
| 400 | 0.0508 | |
| 500 | 0.0562 | |
| 600 | 0.0613 | |
| 800 | 0.0709 | |
| 1000 | 0.0802 | |
| 1200 | 0.0891 | |
| 1400 | 0.097 | |
| 1600 | 0.1047 | |
| 水蒸気 | 100 | 0.0241 |
| 120 | 0.0255 | |
| 140 | 0.027 | |
| 160 | 0.0286 | |
| 180 | 0.0301 | |
| 200 | 0.0317 | |
| 220 | 0.0334 | |
| 240 | 0.035 | |
| 260 | 0.0366 | |
| 300 | 0.0399 | |
| 飽和水蒸気 | 100 | 0.0241 |
| 120 | 0.0259 | |
| 140 | 0.0281 | |
| 160 | 0.0305 | |
| 180 | 0.033 | |
| 200 | 0.0361 | |
| 220 | 0.0394 | |
| 240 | 0.0435 | |
| 260 | 0.0483 | |
| 300 | 0.0615 | |
| アルゴン | -50 | 0.0138 |
| 0 | 0.0164 | |
| 50 | 0.0187 | |
| 100 | 0.0211 | |
| 200 | 0.0255 | |
| 水素 | -50 | 0.1407 |
| 0 | 0.1675 | |
| 50 | 0.1919 | |
| 100 | 0.214 | |
| 150 | 0.2361 | |
| 200 | 0.257 | |
| 250 | 0.2756 | |
| 300 | 0.2954 | |
| 窒素 | -50 | 0.02 |
| 0 | 0.0241 | |
| 50 | 0.0279 | |
| 100 | 0.0313 | |
| 150 | 0.0348 | |
| 200 | 0.0381 | |
| 250 | 0.0413 | |
| 300 | 0.0442 | |
| 炭酸ガス | -50 | 0.011 |
| 0 | 0.0145 | |
| 50 | 0.0183 | |
| 100 | 0.0222 | |
| 150 | 0.0263 | |
| 200 | 0.0306 | |
| 250 | 0.0351 | |
| 300 | 0.0399 | |
| 酸素 | -100 | 0.0147 |
| -50 | 0.0188 | |
| 0 | 0.0229 | |
| 50 | 0.0269 | |
| 100 | 0.0304 | |
| 一酸化炭素 | -100 | 0.0152 |
| -50 | 0.0193 | |
| 0 | 0.0233 | |
| 50 | 0.0272 | |
| 100 | 0.0305 | |
| アンモニア | 0 | 0.0219 |
| 50 | 0.0273 | |
| 100 | 0.0333 | |
| 150 | 0.0404 | |
| 200 | 0.0485 | |
| 亜硫酸ガス | 0 | 0.0084 |
| 100 | 0.012 | |
| ヘリウム | 0 | 0.1442 |
| 100 | 0.1663 | |
| メタン | -50 | 0.0244 |
| 0 | 0.0304 | |
| 50 | 0.0374 | |
| 100 | 0.05 |