Convert between million, billion, lakh, and crore in seconds
This Million Billion Lakh & Crore Converter helps you translate numbers across common international and Indian units. Enter a value, pick the source unit, and get the equivalent in the other three units instantly with consistent math.
Use it for budgeting, financial reporting, and quick sanity checks when figures are written in mixed systems.
What these units mean (quick, practical definitions)
These are large-number units used to describe money, population, sales, or budgets.
- Lakh (L) = 100,000
- Crore (Cr) = 10,000,000
- Million (M) = 1,000,000
- Billion (B) = 1,000,000,000
All conversions become easy once you treat every unit as a multiple of the same base number.
Core conversion formulas (the safe way to convert)
The most reliable approach is:
- Convert your input to a base value in numbers.
- Convert that base value to the target unit.
Let V be the input number and let each unit have a multiplier to raw numbers:
| Unit | Multiplier to raw number |
|---|---|
| Lakh (L) | 100,000 |
| Million (M) | 1,000,000 |
| Crore (Cr) | 10,000,000 |
| Billion (B) | 1,000,000,000 |
Step 1 (to raw): Raw = V × multiplier(source)
Step 2 (to target): Converted = Raw ÷ multiplier(target)
Instant reference ratios (no calculator required)
If you prefer quick mental math, these ratios are useful:
- 1 million = 10 lakh
- 1 crore = 10 million
- 1 billion = 100 crore
- 1 billion = 1000 million
These relationships come directly from the multipliers above.
How to use the Million Billion Lakh & Crore Converter
Follow these steps:
- Type the value you want to convert.
- Select the source unit (the unit your value is currently written in).
- Click Convert to get equivalents in all other units.
The converter shows results for lakh, crore, million, and billion at once, so you do not need multiple conversions.
Practical examples (real-life use-cases)
Example 1: Turning an international budget into Indian units
Suppose a report says a project costs $2.5 billion. In Indian terms, that equals:
- 2.5 billion = 250 crore
- 2.5 billion = 2500 million
- 2.5 billion = 25,000 lakh
This kind of conversion is common when teams share figures across regions.
Example 2: Comparing sales targets written in different formats
A sales target might be written as 75 crore in one document and 750 million in another. Since:
- 1 crore = 10 million
75 crore = 750 million. The converter confirms the equivalence instantly, reducing the risk of unit mismatch.
Rounding and formatting tips (to keep numbers readable)
Large-number conversions can produce decimals. That is normal when the source unit does not divide evenly into the target unit.
- For money, round to 2 decimals if you need paise/cents-level reporting.
- For targets, round to 1 decimal or whole numbers depending on how the business tracks progress.
- If you are comparing multiple figures, use the same rounding rule across all units.
Frequently Asked Questions
How many lakh are in one million?
One million equals 1,000,000. One lakh equals 100,000. Dividing 1,000,000 by 100,000 gives 10, so 1 million is 10 lakh. This is exact because both units are powers of ten.
What is the relationship between crore and million?
One crore equals 10,000,000. One million equals 1,000,000. Dividing 10,000,000 by 1,000,000 gives 10, so 1 crore equals 10 million. This relationship is exact and widely used in business reporting.
How many crore are in one billion?
One billion equals 1,000,000,000. One crore equals 10,000,000. Dividing 1,000,000,000 by 10,000,000 gives 100, so 1 billion equals 100 crore exactly. This makes cross-market comparisons straightforward.
Can this converter handle decimals?
Yes. The converter accepts decimal values (for example, 2.5 billion) and applies the same multiplier-based formulas. The results may include decimals in the target units when the conversion does not land on a whole number.
What should I do if my value is very large?
Use the calculator and keep consistent rounding. The math is based on multipliers, so large values convert correctly. If you see scientific notation, you can still read the numeric result and round to the level your report requires.
Common mistakes to avoid
- Mixing units: always confirm whether a figure is written as million, billion, lakh, or crore.
- Assuming “crore” means the same as “million”: it does not; crore is 10 times million.
- Copying numbers without labels: keep the unit text with the number to prevent errors.
Bottom line
Use the Million Billion Lakh & Crore Converter whenever you see mixed-unit numbers in documents. With the multiplier method, conversions stay accurate and fast, so you can focus on the decision—not the math.



