From Conservapedia A billion is exactly one thousand million, 1,000,000,000, or 109.
| U.S. usage | Value | Former British usage |
|---|---|---|
| thousand | 103 = 1,000 | thousand |
| million | 106 = 1,000,000 | million |
| billion | 109 = 1,000,000,000 | thousand million or milliard |
| trillion | 1012 = 1,000,000,000,000 | billion |
| quadrillion | 1015 = 1,000,000,000,000,000 | thousand billion or (very rarely) billiard |
| quintillion | 1018 = 1,000,000,000,000,000,000 | trillion |
Categories: [Mathematics] [Units of Measurement]