Crore to billion
1 crore = 0.01 billion
Type a value in crore (Cr) to get billion (B) straight away. Both units belong to indian number units, measured here against the one.
1 Cr = 0.01 B
Formula
B = Cr × 0.01
One crore is 0.01 billion, so multiply by that factor. You can also divide by 100, the number of crore in one billion. Here Cr is the value in crore and B is the result in billion.
Worked example: 2 crore × 0.01 = 0.02 billion.
Crore to billion table
| crore (Cr) | billion (B) |
|---|---|
| 1 Cr | 0.01 B |
| 2 Cr | 0.02 B |
| 3 Cr | 0.03 B |
| 4 Cr | 0.04 B |
| 5 Cr | 0.05 B |
| 6 Cr | 0.06 B |
| 7 Cr | 0.07 B |
| 8 Cr | 0.08 B |
| 9 Cr | 0.09 B |
| 10 Cr | 0.1 B |
| 15 Cr | 0.15 B |
| 20 Cr | 0.2 B |
| 25 Cr | 0.25 B |
| 30 Cr | 0.3 B |
| 40 Cr | 0.4 B |
| 50 Cr | 0.5 B |
| 60 Cr | 0.6 B |
| 75 Cr | 0.75 B |
| 100 Cr | 1 B |
Everyday crore in billion
| What it is | Cr | B |
|---|---|---|
| one crore | 1 Cr | 0.01 B |
| a city apartment price | 2 Cr | 0.02 B |
| ten crore | 10 Cr | 0.1 B |
| one billion | 100 Cr | 1 B |
| one trillion | 100,000 Cr | 1,000 B |
Quick estimate in your head
Divide by 10^2: move the decimal point 2 places left.
Watch out for
- 1 crore is 10 million. Writing ₹1 crore as '1 million' understates it ten times.
- Billion here is the short scale, 10⁹. Older British usage once meant 10¹².
About the units
Crore (Cr). 10,000,000 (10⁷) or 100 lakh, written 1,00,00,000 in Indian notation.
Billion (B). 1,000,000,000 (10⁹), equal to 100 crore. The short-scale billion used today.
Going the other way, 1 billion is 100 crore.
Questions
How many billion are in 1 crore?
1 crore is 0.01 billion, and 1 billion is 100 crore.
How do I convert crore to billion?
Use B = Cr × 0.01. For example, 2 crore × 0.01 = 0.02 billion.
How are lakh and crore written with commas?
Indian notation groups the last three digits, then pairs: 1,00,000 is one lakh and 1,00,00,000 is one crore. Internationally the same numbers are 100,000 and 10,000,000.
How much is one trillion in billion?
100,000 Cr is 1,000 B.
Source for the conversion factor: RBI glossary and Indian numbering conventions.