Convert between million, billion, trillion, and Indian lakh/crore on the short scale.
Quick reference (short scale)
| Millions (M) | Billions (B) | Crore (India) |
|---|---|---|
| 1 M | 0.001 B | 0.1 crore |
| 10 M | 0.01 B | 1 crore |
| 100 M | 0.1 B | 10 crore |
| 500 M | 0.5 B | 50 crore |
| 1,000 M | 1 B | 100 crore |
| 10,000 M | 10 B | 1,000 crore |
| 1,000,000 M | 1,000 B | 100,000 crore |
About number scales
Short scale vs long scale — what is the difference?
Short scale (US, UK since 1974, most English-language media, modern finance): 1 billion = 1,000 million = 10⁹; 1 trillion = 10¹². Long scale (historically used in France until 1961, still used in German-speaking countries, Spanish, and some other European languages): 1 billion = 1 million million = 10¹²; 1 trillion = 10¹⁸. If you read "Milliarde" in German or "millardo" in Italian, that means 10⁹ — the short-scale billion. Always confirm which scale a source uses before comparing figures.
Indian lakh / crore system
The Indian numbering system groups digits differently. 1 lakh = 100,000 = 10⁵. 1 crore = 10,000,000 = 10⁷ = 100 lakh. That makes 1 billion (short scale, 10⁹) equal to 100 crore or 10,000 lakh. Indian financial reports and newspapers typically quote amounts in lakh and crore rather than million and billion, so cross-checking is common when reading global news.
Frequently asked questions
How many millions are in a billion?
On the short scale (used in US, UK, and most English finance and news today): 1 billion = 1,000 million. So a thousand millions equals one billion. On the long scale (still used in German, some European languages): 1 billion = 1,000,000 million = 10¹². The calculator defaults to short scale, which is the standard for international financial reporting.
How many billions are in a trillion?
On the short scale: 1 trillion = 1,000 billion = 1,000,000 million = 10¹². On the long scale: 1 trillion = 1,000,000 billion = 10¹⁸. The gap widens at each step. For example, US national debt figures quoted in trillions are short-scale, so 30 trillion USD means 30 × 10¹² = 30,000 billion dollars.
How do I convert crore to billion?
1 crore = 10 million = 10⁷. So 100 crore = 1 billion (short scale). Divide crore by 100 to get billions, or multiply billions by 100 to get crore. Example: a company valued at 5,000 crore INR is worth 50 billion INR, equivalent to roughly 0.6 billion USD at current exchange rates.
What does scientific notation mean here?
Scientific notation writes a number as a coefficient times a power of 10. 1 million = 1 × 10⁶, 1 billion (short) = 1 × 10⁹, 1 trillion (short) = 1 × 10¹². It is useful when values span many orders of magnitude — for instance, the global GDP (~10¹⁴ USD cents) or stellar distances. The calculator shows scientific notation alongside the plain integer for clarity.
Why does the result sometimes show very long decimals?
When you convert a small unit into a much larger one (for example 1 thousand into billions), the result is a tiny fraction like 0.000001 billion. Use the Decimals dropdown to increase precision up to 10 places, or pick a more natural target unit. The plain-integer row below the result always shows the exact whole value when it can be expressed as an integer.
This converter turns an amount in one magnitude unit (thousand, million, billion, trillion, lakh, crore) into any other. Pick the source and target units, type a number, and read the result. The tool also shows the plain integer, scientific notation, and the Indian lakh/crore equivalent — useful when cross-reading Indian and Western financial reports. Examples: 1,000 million = 1 billion (short scale, US/UK), so a 250 million USD valuation equals 0.25 billion USD. 100 crore INR equals 1 billion INR, or roughly 12 million USD at current rates. A toggle switches between short scale (billion = 10⁹, default) and long scale (billion = 10¹², used in German and some EU languages).