How to convert millions to billions
Formula: bn = M × 0.001
Worked example: 2.5 M → 2.5 × 0.001 = 0.0025 bn
Divide millions by 1,000 to get billions. A company worth 4,500 million dollars is worth 4.5 billion.
Millions to billions conversion chart
| Millions (M) | Billions (bn) |
|---|---|
| 0.1 M | 0.0001 bn |
| 0.25 M | 0.00025 bn |
| 0.5 M | 0.0005 bn |
| 1 M | 0.001 bn |
| 1.5 M | 0.0015 bn |
| 2 M | 0.002 bn |
| 2.5 M | 0.0025 bn |
| 3 M | 0.003 bn |
| 5 M | 0.005 bn |
| 7.5 M | 0.0075 bn |
| 10 M | 0.01 bn |
| 15 M | 0.015 bn |
| 20 M | 0.02 bn |
| 25 M | 0.025 bn |
| 50 M | 0.05 bn |
| 75 M | 0.075 bn |
| 100 M | 0.1 bn |
| 250 M | 0.25 bn |
| 500 M | 0.5 bn |
| 1,000 M | 1 bn |
What is a million?
A million is 1,000,000, or 10⁶: a thousand thousands. Its meaning is the same in every major language, unlike billion. In finance it is often written M or MM, so $2.5M means $2,500,000.
What is a billion?
A billion is 1,000,000,000, or 10⁹, a thousand millions. This short-scale meaning is used in the US and, since 1974, in UK official usage. In French, German, Spanish and many other languages the same number is a milliard, and their billion means 10¹².