One number, two names
Lakh and crore ↔ million and billion.
Two names for the same amount
The Indian and American systems use different names, but many numbers are exactly the same. 1 million is 1 followed by 6 zeros: 1,000,000.
Which Indian name is the same number as 1 million?
What this lesson covers
The idea
Ten lakh is one million, one crore is ten million, ten crore is a hundred million, and one arab, which is a hundred crore, is one billion.
Two names for the same amount
The Indian and American systems use different names, but many numbers are exactly the same. 1 million is 1 followed by 6 zeros: 1,000,000.
Which Indian name is the same number as 1 million?
- 1 lakh
- 10 lakh
- 1 crore
Match the names
Tap an Indian card and an American card that show the same number. Count the zeros if you are not sure.
The four matches
Ten lakh is one million. One crore is ten million. Ten crore is a hundred million. One arab, which is a hundred crore, is one billion.
- Indian | American
- 10,00,000 · ten lakh | 1,000,000 · one million
- 1,00,00,000 · one crore | 10,000,000 · ten million
- 10,00,00,000 · ten crore | 100,000,000 · hundred million
- 1,00,00,00,000 · one arab | 1,000,000,000 · one billion
Notes
Ten lakh = one million; one crore = ten million; ten crore = a hundred million; and one arab (a hundred crore) = one billion.
Check yourself
1 crore is how many million?
Answer: 10
1 crore = 10,000,000 = ten million.
A country has 100 million people. In the Indian system that is…
How many zeros are there in 1 billion?
Answer: 9
1 billion = 1,000,000,000 = 1 arab: 1 followed by 9 zeros.
- 1 crore. 1 crore is only ten million.
- 100 crore. 100 crore is one billion, ten times as much.
- 10 crore — correct. Yes! A hundred million is ten crore.