A hundred times, again and again
Thousand → lakh → crore → arab.
From thousand to crore
A lakh is a hundred times a thousand. Now think about a crore.
A crore is…
What this lesson covers
The idea
1 lakh, 1 crore and 1 arab are 1 followed by 5, 7 and 9 zeroes; each is a hundred times the one before: 1 lakh = 100 thousand, 1 crore = 100 lakhs, 1 arab = 100 crores.
From thousand to crore
A lakh is a hundred times a thousand. Now think about a crore.
A crore is…
- 10 lakh
- 100 lakh
- 1000 lakh
Climb the ladder
Tap × 100 to climb one step. Watch the zeros.
Two more zeros each time
1 lakh = 100 thousand, 1 crore = 100 lakhs, 1 arab = 100 crores. Each is a hundred times the one before. 1 lakh, 1 crore and 1 arab are 1 followed by 5, 7 and 9 zeros.
Multiplying by 100 puts two more zeros at the end.
- Name | Number | Zeros
- 1 thousand | 1,000 | 3
- 1 lakh = 100 thousand | 1,00,000 | 5
- 1 crore = 100 lakh | 1,00,00,000 | 7
- 1 arab = 100 crore | 1,00,00,00,000 | 9
Notes
1 lakh, 1 crore and 1 arab are 1 followed by 5, 7 and 9 zeroes. Each is 100 times the one before: 1 lakh = 100 thousand, 1 crore = 100 lakhs, 1 arab = 100 crores.
Check yourself
How many zeros are there in 1 crore?
Answer: 7
1 crore = 1,00,00,000. That is 1 followed by 7 zeros.
How many lakhs make 1 crore?
Answer: 100
1 crore = 100 lakhs.
1 arab is how many crores?
- 10 crore. 10 crore is 10,00,00,000, which has 8 zeros. An arab has 9 zeros.
- 1000 crore. 1000 crore would have 7 + 3 = 10 zeros. An arab has 9.
- 100 crore — correct. Yes! 1 arab = 100 crores. It has 7 + 2 = 9 zeros.