Indian and international number system · भारतीय और अंतरराष्ट्रीय संख्या पद्धति
Lakh and crore, or million and billion? Put the commas the right way.
Indian and international number system games
Two ways to put commas भारतीय और अंतरराष्ट्रीय संख्या पद्धति
Indian system: after the first 3 digits from the right, put a comma after every 2 digits — ones, thousands, lakhs, crores. International system: a comma after every 3 digits — ones, thousands, millions, billions.
12,34,56,789 (Indian) = 123,456,789 (international)
12 crore 34 lakh 56 thousand 7 hundred 89 = 123 million 456 thousand 789
| Indian | Read as | International | Read as |
|---|---|---|---|
| 1,000 | One thousand | 1,000 | One thousand |
| 1,00,000 | One lakh | 100,000 | One hundred thousand |
| 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 | One hundred million |
| 1,00,00,00,000 | One hundred crore | 1,000,000,000 | One billion |
Remember: 10 lakh = 1 million · 1 crore = 10 million · 100 crore = 1 billion. Also see number names.
Goes with NCERT Maths Class 4–6 (large numbers).
A one-page chart to stick on the wall, and a worksheet to practise.
Indian and international number system
Two ways to put commas भारतीय और अंतरराष्ट्रीय संख्या पद्धति
Indian system: after the first 3 digits from the right, put a comma after every 2 digits — ones, thousands, lakhs, crores. International system: a comma after every 3 digits — ones, thousands, millions, billions.
12,34,56,789 (Indian) = 123,456,789 (international)
12 crore 34 lakh 56 thousand 7 hundred 89 = 123 million 456 thousand 789
| Indian | Read as | International | Read as |
|---|---|---|---|
| 1,000 | One thousand | 1,000 | One thousand |
| 1,00,000 | One lakh | 100,000 | One hundred thousand |
| 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 | One hundred million |
| 1,00,00,00,000 | One hundred crore | 1,000,000,000 | One billion |
10 lakh = 1 million · 1 crore = 10 million · 100 crore = 1 billion
kheloaurseekho.in — free charts, games and worksheets
Indian and international number system — worksheet
Name: ____________________ Class: ______ Date: __________
kheloaurseekho.in — free charts, games and worksheets