18 arab = 18 billion. 18 arab is 18,000,000,000 in digits, written 18,00,00,00,000 in the Indian system.
How to convert arab to billion
billion = arab × 1
- 1 arab = 1 billion (and 1 billion = 1 arab).
- Multiply the amount by the factor: 18 × 1 = 18.
- Answer: 18 arab = 18 billion.
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 |
Arab to Billion table
| Arab (arab) | Billion (billion) |
|---|---|
| 13 arab | 13 billion |
| 14 arab | 14 billion |
| 15 arab | 15 billion |
| 16 arab | 16 billion |
| 17 arab | 17 billion |
| 18 arab | 18 billion |
| 19 arab | 19 billion |
| 20 arab | 20 billion |
| 21 arab | 21 billion |
| 22 arab | 22 billion |
| 23 arab | 23 billion |
| arab | billion |
|---|---|
| 1 arab | 1 billion |
| 2 arab | 2 billion |
| 5 arab | 5 billion |
| 10 arab | 10 billion |
| 50 arab | 50 billion |
| 100 arab | 100 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).