What is the Indian Number System Converter?
The Indian Number System Converter is an instant financial and mathematical utility designed to convert numbers between the Indian Numbering System (Lakhs, Crores, Arabs, Kharabs) and the International/Western System (Thousands, Millions, Billions, Trillions). Beyond formatting numeric separators, it converts numbers into written English words and official Indian Rupees cheque format (e.g. Rupees Twelve Lakh Fifty Thousand Only).
Understanding the Indian vs International Number System
Unlike the Western numbering system which groups digits in sets of three (thousands, millions, billions, trillions), the Indian system uses a unique 3-2-2 grouping pattern:
- First Group: 3 digits (Hundreds)
- Subsequent Groups: 2 digits (Thousands, Lakhs, Crores, Arabs, Kharabs)
Conversion Quick Reference Table
| Indian System | Numeric Value | International Equivalent | Scientific Notation |
|---|---|---|---|
| 1 Lakh | 1,00,000 | 100 Thousand (0.1 Million) | 105 |
| 10 Lakhs | 10,00,000 | 1 Million | 106 |
| 1 Crore | 1,00,00,000 | 10 Million | 107 |
| 10 Crores | 10,00,00,000 | 100 Million | 108 |
| 100 Crores (1 Arab) | 1,00,00,00,000 | 1 Billion | 109 |
| 1 Kharab | 1,00,00,00,00,000 | 100 Billion | 1011 |
Quick Presets:
In Lakhs
12.5 Lakhs
In Crores
0.125 Crores
In Millions
1.25 Million
In Billions
0.0013 Billion
Indian Format (Lakhs & Crores)
12,50,000Rupees Cheque Writing Format
Rupees Twelve Lakh Fifty Thousand OnlyIn Words (Indian System)
Twelve Lakh Fifty ThousandIn Words (Western / International System)
One Million Two Hundred Fifty ThousandLakh12
Thousand50
International Numeric Format1,250,000
Note
The Indian numbering system uses a 3-2-2 grouping (Hundreds, Thousands, Lakhs, Crores) whereas the Western system groups every 3 digits (Thousands, Millions, Billions). Fully processed offline in your browser.Frequently Asked Questions
How many Lakhs are in 1 Million?
There are exactly 10 Lakhs in 1 Million. 1 Million is 1,000,000, which is written as 10,00,000 in the Indian numbering format.
How many Crores are in 1 Billion?
There are 100 Crores in 1 Billion (also known as 1 Arab in the traditional Indian system). 1 Billion equals 1,000,000,000 or 1,00,00,00,000.
How many zeros are in 1 Crore?
1 Crore has 7 zeros (10,00,00,000 or 107).
How to write cheque numbers in words in Rupees?
When writing cheques or financial invoices in India, numbers are spelled out using the Indian system starting with 'Rupees' and ending with 'Only' (e.g., ₹2,50,000 is written as Rupees Two Lakh Fifty Thousand Only). Our tool generates this exact format automatically with a copy button.
What comes after Crore in the Indian numbering system?
In the higher Indian numbering system, 100 Crores is 1 Arab (109), followed by 1 Kharab (100 Arabs or 1011), 1 Neel (1013), 1 Padma (1015), and 1 Shankh (1017).
How to use the Indian Number Converter
- Enter Number or Value: Type any numerical value (e.g. 1250000 or 1.25M) into the input box. Alternatively, choose the Lakhs/Crores to Millions/Billions bi-directional mode.
- Click Presets for Fast Conversion: Click quick preset chips like 1 Lakh, 10 Lakhs, 1 Crore, or 1 Million for instant conversions.
- Copy Formatted Results: Instantly copy formatted numbers, English words, or Rupees cheque text to your clipboard.