18焦等於多少千焦？焦（亦稱“焦”，符號為：J）和千焦（亦稱“千焦”，符號為：kJ）是能量單位，它們之間的換算關係是：1焦等於0.001千焦。要將18焦轉換為千焦，我們可以透過焦與千焦換算比率來計算：
18 焦 = 18 * 0.001 千焦 = 0.018 千焦
因此，18焦換算成千焦的答案是18焦等於0.018千焦。
了解更多：18千焦等於多少焦? | 1焦等於幾千焦? | 1千焦等於幾焦?
| 焦 (J) | 千焦 (kJ) |
|---|---|
| 18.1 J | 0.0181 kJ |
| 18.2 J | 0.0182 kJ |
| 18.3 J | 0.0183 kJ |
| 18.4 J | 0.0184 kJ |
| 18.5 J | 0.0185 kJ |
| 18.6 J | 0.0186 kJ |
| 18.7 J | 0.0187 kJ |
| 18.8 J | 0.0188 kJ |
| 18.9 J | 0.0189 kJ |
| 19 J | 0.019 kJ |
| 19.1 J | 0.0191 kJ |
| 19.2 J | 0.0192 kJ |
| 19.3 J | 0.0193 kJ |
| 19.4 J | 0.0194 kJ |
| 19.5 J | 0.0195 kJ |
| 19.6 J | 0.0196 kJ |
| 19.7 J | 0.0197 kJ |
| 19.8 J | 0.0198 kJ |
| 19.9 J | 0.0199 kJ |
| 20 J | 0.02 kJ |
| 20.1 J | 0.0201 kJ |
| 20.2 J | 0.0202 kJ |
| 20.3 J | 0.0203 kJ |
| 20.4 J | 0.0204 kJ |
| 20.5 J | 0.0205 kJ |
| 20.6 J | 0.0206 kJ |
| 20.7 J | 0.0207 kJ |
| 20.8 J | 0.0208 kJ |
| 20.9 J | 0.0209 kJ |
| 21 J | 0.021 kJ |
| 焦 (J) | 千焦 (kJ) |
|---|---|
| 21.1 J | 0.0211 kJ |
| 21.2 J | 0.0212 kJ |
| 21.3 J | 0.0213 kJ |
| 21.4 J | 0.0214 kJ |
| 21.5 J | 0.0215 kJ |
| 21.6 J | 0.0216 kJ |
| 21.7 J | 0.0217 kJ |
| 21.8 J | 0.0218 kJ |
| 21.9 J | 0.0219 kJ |
| 22 J | 0.022 kJ |
| 22.1 J | 0.0221 kJ |
| 22.2 J | 0.0222 kJ |
| 22.3 J | 0.0223 kJ |
| 22.4 J | 0.0224 kJ |
| 22.5 J | 0.0225 kJ |
| 22.6 J | 0.0226 kJ |
| 22.7 J | 0.0227 kJ |
| 22.8 J | 0.0228 kJ |
| 22.9 J | 0.0229 kJ |
| 23 J | 0.023 kJ |
| 23.1 J | 0.0231 kJ |
| 23.2 J | 0.0232 kJ |
| 23.3 J | 0.0233 kJ |
| 23.4 J | 0.0234 kJ |
| 23.5 J | 0.0235 kJ |
| 23.6 J | 0.0236 kJ |
| 23.7 J | 0.0237 kJ |
| 23.8 J | 0.0238 kJ |
| 23.9 J | 0.0239 kJ |
| 24 J | 0.024 kJ |