| Energy Conversion of Units |
| Name Of Unit: quad Symbol: Definition: ≡ 1015 BTUIT Relation to SI units: = 1.055 055 852 62×1018 J |

| Energy Conversion of Units |
| Name Of Unit: quad Symbol: Definition: ≡ 1015 BTUIT Relation to SI units: = 1.055 055 852 62×1018 J |