| Comparing all oil (ever) to one day of sunshine | ||||
| Ultimate Conventional Oil | ||||
| est. | 1,750,000,000,000 | barrels | Colin Campbell, 1997 | |
| * | 5,800,000 | btu/barrrel | CRC | |
| = | 10,150,000,000,000,000,000 | btu/ever | ||
| Sun energy that intersects earth daily | ||||
| 49,240,279 | mi^2 | earth diameter 7,918 mi | ||
| * | 27,878,400 | ft^2/mi^2 | ||
| * | 445 | btu/ft^2 | solar constant | |
| * | 24 | hrs/day | ||
| = | 14,660,865,419,430,000,000 | btu/day | ||
| 14,660,865 | quads | |||
| 144% | daily sun:all conventional oil | |||
| 400 | quads annual global consumption | |||
| 36,652 | daily sun/annual global energy consumption | |||
| Annual Energy (in metric units) | ||||
| est. | 13 | tw annual global energy consumption | ||
| * | 8,760 | hrs/year | ||
| = | 113,880 | twh/year | ||
| / | 1,000 | quad/tera | conversion | |
| = | 114 | quadrillion watt-hrs/year | ||
| * | 3.413 | btu/watt-hr | conversion | |
| = | 389 | quads/year | (~ same as 400 quads) | |