Crore to Lakh Converter
Convert values instantly between crore and lakh, with the equivalent full number shown in Indian and international digit grouping.
Startup example is ready to export.
Enter either value
Live result
Conversion checkpoints
| Measure | Crore | Lakh | Full number |
|---|---|---|---|
| Current value | 6.4 | 640 | 64,000,000 |
| One unit benchmark | 1 | 100 | 10,000,000 |
How to use the crore to lakh calculator
What this calculator does. This tool converts a quantity between crore and lakh, two large-number units used in the Indian numbering system. It also shows the same quantity as a complete number with both international grouping, such as 64,000,000, and Indian grouping, such as 6,40,00,000. The conversion is an exact numerical identity; it does not estimate exchange rates, purchasing power, taxes, interest, or the market value of any asset.
When to use it. Use the converter when reading Indian financial statements, property prices, business valuations, government budgets, fundraising announcements, or compensation figures expressed in crore or lakh. It is also useful when translating a number for readers accustomed to millions, or when checking spreadsheet entries that mix Indian and international digit grouping.
- The calculator opens with the demonstration value 6.4 crore, already converted to 640 lakh. The Excel workbook is immediately available for this example.
- Replace the value in Crore(s) to convert from crore to lakh, or edit Lakh(s) to convert in the opposite direction. The other field updates live.
- Read the primary lakh result, the equivalent crore value, the full number, and the Indian-grouped number. Use the checkpoint table to compare the current value with the one-crore benchmark.
- Select Download Excel to export the current inputs and results as a validated .xlsx workbook. Select Reset to clear the demonstration data; after reset, the export is disabled until a complete valid value is entered again.
Input guide. Crore(s) is an optional source field until both fields are blank; enter a non-negative plain decimal, for example 6.4. A higher value increases every equivalent result proportionally. Do not enter currency symbols, words, scientific notation, or decimal-comma forms such as 6,4. Lakh(s) follows the same rules and can be used as the source instead; for example, 640 lakh converts to 6.4 crore. Because the fields are synchronized, the field you most recently edit becomes the source of truth.
Output guide. Equivalent in lakh is the current quantity multiplied by 100 when crore is the source. Equivalent in crore is the same quantity divided by 100 when lakh is the source. Full number expresses the amount as an ordinary count, because one crore equals 10,000,000 and one lakh equals 100,000. Indian grouping places commas after the last three digits and then every two digits. Crore : lakh ratio remains 1:100 for every valid value. Zero is valid and converts exactly to zero in all forms.
Worked example. The startup example uses 6.4 crore. Multiply 6.4 by 100 to obtain 640 lakh. Multiplying 6.4 by 10,000,000 gives the full number 64,000,000, written with Indian grouping as 6,40,00,000. These are the same values shown on first open and stored in the startup workbook.
Learn more. For context on India's monetary system and the rupee, see the Reserve Bank of India's Indian currency guidance. For the broader conventions of representing large decimal numbers, the NIST SI units information explains standard international unit practice.
How the conversion works
The Indian place-value system names 100,000 as one lakh and 10,000,000 as one crore. Since 10,000,000 divided by 100,000 equals 100, one crore contains exactly 100 lakh. That fixed relationship is why the conversion is linear: multiply crore by 100, or divide lakh by 100. No rounding is required for ordinary finite decimal inputs, although the interface shortens very long decimal displays for readability while retaining the canonical value for calculations and Excel export.
Reading Indian digit grouping
International grouping places separators every three digits: 64,000,000. Indian grouping keeps the final three digits together, then groups the remaining digits in pairs: 6,40,00,000. The separators change how the number is read, not its mathematical value. When entering data in this calculator, use an ungrouped decimal or standard three-digit grouping; the output provides both display styles automatically.
Accuracy and practical limits
The crore – lakh relationship is exact. The main practical risks are typing an ambiguous decimal separator, confusing lakh with million, or copying a grouped number into the wrong unit field. The parser rejects negative values, unsupported notation, and results too large for reliable browser arithmetic. For financial reporting, preserve the original unit label and confirm whether a source uses rupees, another currency, or a non-currency count; crore and lakh describe magnitude, not currency by themselves.