2.2 million = 0.0022 billion. 2.2 million is 2,200,000 in digits, written 22,00,000 in the Indian system.
How to convert million to billion
billion = million × 0.001
- 1 million = 0.001 billion (and 1 billion = 1,000 million).
- Multiply the amount by the factor: 2.2 × 0.001 = 0.0022.
- Answer: 2.2 million = 0.0022 billion.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Indian and international place values
| Indian | Digits (Indian) | International |
|---|---|---|
| 1 lakh | 1,00,000 | 100 thousand |
| 10 lakh | 10,00,000 | 1 million |
| 1 crore | 1,00,00,000 | 10 million |
| 10 crore | 10,00,00,000 | 100 million |
| 100 crore (1 arab) | 1,00,00,00,000 | 1 billion |
| 1 lakh crore | 1,00,00,00,00,000 | 1 trillion |
Million to Billion table
| Million (million) | Billion (billion) |
|---|---|
| 1.7 million | 0.0017 billion |
| 1.8 million | 0.0018 billion |
| 1.9 million | 0.0019 billion |
| 2 million | 0.002 billion |
| 2.1 million | 0.0021 billion |
| 2.2 million | 0.0022 billion |
| 2.3 million | 0.0023 billion |
| 2.4 million | 0.0024 billion |
| 2.5 million | 0.0025 billion |
| 2.6 million | 0.0026 billion |
| 2.7 million | 0.0027 billion |
| million | billion |
|---|---|
| 1 million | 0.001 billion |
| 2 million | 0.002 billion |
| 5 million | 0.005 billion |
| 10 million | 0.01 billion |
| 50 million | 0.05 billion |
| 100 million | 0.1 billion |
Good to know
1 lakh = 100,000 (1,00,000) and 1 crore = 10 million (1,00,00,000).
1 million = 10 lakh, 1 billion = 100 crore, 1 trillion = 1 lakh crore.
The Indian system groups digits in twos after the first three (15,00,00,000); the international system groups in threes (150,000,000).