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Billion to Crore Converter

Enter billions and press Convert to get crores. One billion is 100 crore, so 2 billion is 200 crore.

Written and reviewed by SM Arijul Islam · Last reviewed · Editorial standards · Report an error

About the Billion to Crore Converter

Billion-to-crore is the conversion behind every overseas valuation or funding round reported in Indian media. The short-scale billion is 10⁹, so 1 billion = 1,000 million = 100 crore.

Watch for the long-scale trap: in older British English a billion meant a million million. Modern financial English uses the short scale everywhere, including in India.

How the calculation works

  • 1 billion = 100 crore = 1,000 million
  • 1 billion = 10,000 lakh
  • 0.01 billion = 1 crore

Reference values

Billion converted to crore and million
BillionCroreMillion
0.1 billion10 crore100 million
0.5 billion50 crore500 million
1 billion100 crore1,000 million
2 billion200 crore2,000 million
10 billion1,000 crore10,000 million
100 billion10,000 crore100,000 million

Worked examples

  • 1 Billion (1,000,000,000) = 100 Crore (10,000,000).
  • 2 Billion (1,000,000,000) = 200 Crore (10,000,000).
  • 5 Billion (1,000,000,000) = 500 Crore (10,000,000).
  • 10 Billion (1,000,000,000) = 1,000 Crore (10,000,000).
  • 50 Billion (1,000,000,000) = 5,000 Crore (10,000,000).
  • 100 Billion (1,000,000,000) = 10,000 Crore (10,000,000).

Checking the answer

Multiply the Billion (1,000,000,000) figure by 100 to get Crore (10,000,000), and divide by the same number to come back. Twenty-five Billion (1,000,000,000) should land at 2,500 Crore (10,000,000); an answer near 0.25 means the division went the wrong way. A quick sanity check is that Crore (10,000,000) 1,000 must always be smaller than the matching Billion (1,000,000,000) figure when the factor is above 1.

Common mistakes

  • Confusing the number scale with a currency. Lakh and crore describe quantity, not money.
  • Using the long-scale billion, which is a million million.
  • Rounding crore to the nearest ten million when pricing a deal.

Using this conversion

The Billion (1,000,000,000) to Crore (10,000,000) relationship is fixed, so one factor covers every value you will enter: a household quantity and an industrial one behave identically. What changes with size is only how much the rounding matters, which is why the table above stops at a round number rather than at whatever figure you happen to need today.

When precision matters

For a rough Billion (1,000,000,000) to Crore (10,000,000) estimate one decimal place is plenty. For a contract, a shipping document or a lab result, keep the full figure from the converter and round only on the final line, so no intermediate step throws the Crore (10,000,000) total out.

A last check on the numbers: 37 Billion (1,000,000,000) works out to 3,700 Crore (10,000,000), and reversing that with the same factor brings you back to 37 Billion (1,000,000,000). Because Billion (1,000,000,000) to Crore (10,000,000) is a single multiplication, any tool that gives a different figure for the same input is rounding somewhere in the middle rather than only at the end.

Frequently asked questions

100 crore.
1,000 million.
No — 1 billion is 100 crore, and 1,000 crore is 10 billion.

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