About this calculator
Enter an amount in any scale. The calculator shows it in both formats and every scale.
How to use it
- Enter the amount.
- Choose the scale it is in.
- Read it in Indian and international format.
The formula
1 lakh = 100,000; 1 crore = 10 million; 1 billion = 100 crore
- lakh
- 1,00,000
- crore
- 1,00,00,000
- million
- 10,00,000 = 10 lakh
- billion
- 100 crore
Worked example
2.5 crore
- 2.5 crore = 2,50,00,000 in Indian format.
- = 25,000,000 in international format: 25 million.
- = 250 lakh, or 0.025 billion.
What the result means
When reading global news, divide billions by 0.01 to get crore: $1 billion is 100 crore dollars.
Assumptions
- Exact scale definitions.
Limitations
- The amount is not converted between currencies.
Frequently asked questions
How many crore is 1 billion?
100 crore.
How many lakh is 1 million?
10 lakh.
Where do the commas go in Indian format?
After the first three digits from the right, then after every two: 12,34,56,789.
Last reviewed on 3 October 2026. Found a mistake? Tell us.