Number to Words in India: Lakhs, Crores, and the Indian Numbering System
Complete guide to the Indian numbering system — lakhs, crores, arabs, and how to write amounts in words for cheques and legal documents.
Indian Number System: Complete Guide to Lakhs, Crores, and Converting Numbers to Words
India uses a unique numbering system inherited from the Vedic tradition that differs fundamentally from the Western (International) system. Understanding both systems is essential for everyone dealing with Indian finance, banking, property, and government documents.
The Indian vs International Number System
The fundamental difference is in how numbers are grouped after the first three digits:
International System: Groups of 3 digits — Thousands, Millions, Billions, Trillions
Indian System: First group of 3, then groups of 2 — Thousands, Lakhs, Crores, Arabs, Kharabs
| Value | International | Indian Words | Indian Numeral Format |
|---|---|---|---|
| 1,000 | One Thousand | One Thousand | 1,000 |
| 10,000 | Ten Thousand | Ten Thousand | 10,000 |
| 1,00,000 | One Hundred Thousand | One Lakh | 1,00,000 |
| 10,00,000 | One Million | Ten Lakh | 10,00,000 |
| 1,00,00,000 | Ten Million | One Crore | 1,00,00,000 |
| 10,00,00,000 | One Hundred Million | Ten Crore | 10,00,00,000 |
| 1,00,00,00,000 | One Billion | One Arab | 1,00,00,00,000 |
| 10,00,00,00,000 | Ten Billion | Ten Arab | 10,00,00,00,000 |
| 1,00,00,00,00,000 | One Hundred Billion | One Kharab | 1,00,00,00,00,000 |
| 10,00,00,00,00,000 | One Trillion | Ten Kharab | 10,00,00,00,00,000 |
| 1,00,00,00,00,00,000 | One Quadrillion | One Neel | — |
Why India Uses a Different System
The Indian number system dates back to ancient India. The Vedic texts and ancient Indian mathematicians including Aryabhata and Brahmagupta developed advanced mathematics using this system. The words "lakh" (from Sanskrit "laksha" = 100,000) and "crore" (from Sanskrit "koti" = 10 million) appear in ancient texts.
The system was standardised differently from the European system during India's colonial period and has remained in everyday use due to linguistic integration — every major Indian language has words for lakh, crore, and arab.
Converting Numbers to Words: Step-by-Step
₹1,23,45,678 in words:
₹2,50,00,000 in words: Two crore fifty lakh
₹10,00,00,000 in words: Ten crore (NOT one billion)
Writing Numbers in Words on Cheques and Legal Documents
RBI and the Banking Regulation Act require amount in words on cheques. Incorrect writing can result in payment refusal or legal disputes.
Rules for cheque writing:
Common cheque writing mistakes to avoid:
- "One lac" → Correct spelling is "One lakh"
- "Twenty five thousand" → Should be "Twenty-five thousand" (hyphen)
- Missing "and" between lakh and thousand components is acceptable but often added
- American spelling "crore" is standard; do NOT write "crore" as "kror" or any variant
Official Indian English spellings:
- Lakh (not "lac" — though "lac" is sometimes seen in older documents)
- Crore (standard, universally accepted)
- Rupees (full word, not "Rs" on cheques — though Rs is fine in accounts)
Indian vs Western Number Format in Spreadsheets
When working with numbers in Excel, Google Sheets, or accounting software:
Indian format (₹ system): 1,23,45,678
International format: 12,345,678
In Excel, there is no built-in Indian number format. Custom format: [>=10000000]##,##,##,##0.00;[>=100000]##,##,##0.00;##,##0.00
Most Indian banking and ERP software (Tally, SAP India localisation) natively supports Indian number format.
Useful Indian Number Fact Sheet for Daily Use
| Amount | Indian Words | International Equivalent |
|---|---|---|
| ₹1L | One lakh | $1,200 approx at ₹83 |
| ₹10L | Ten lakh | $12,000 approx |
| ₹1Cr | One crore | $120,000 approx |
| ₹10Cr | Ten crore | $1.2 million |
| ₹100Cr | One hundred crore | $12 million |
| ₹1,000Cr | One thousand crore | $120 million |
Salary benchmarks in Indian number format:
- ₹5 LPA = ₹5,00,000 per year = ₹41,667 per month
- ₹12 LPA = ₹12,00,000 per year = ₹1,00,000 per month
- ₹1 CPA (crore per annum) = ₹1,00,00,000 per year — senior executive/startup founder level
Lazyblink Number to Words Converter
The Lazyblink Number to Words converter:
- Converts any number up to 999,99,99,99,999 (approximately 100 kharab)
- Outputs in Indian number system (lakh, crore) or International system (million, billion)
- Formats correctly for cheque writing (with "Rupees" and "Only" suffix)
- Handles decimal points — ₹1,23,456.78 = "One lakh twenty-three thousand four hundred fifty-six and seventy-eight paise"
- Copy button for instant use in documents
Frequently asked questions
What comes after crore in India?
Arab (100 crore), Kharab (100 arab), Nil (100 kharab), Padma (100 nil), Shankh (100 padma).
Is "Lakh" used outside India?
Yes — in Pakistan, Bangladesh, Sri Lanka, and Nepal.
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