Number Converter

How to use the number converter

1. Type a number any way you like: 1 lakh 25 thousand, 2.5 million, 2 crore 50 lakh, 15k, 1.2 Cr, 1.5e9, 25,00,000 or words such as twenty-five lakh.
2. Leave Convert to on Digits to get the number written out, or pick a unit – million, crore, lakh, billion – to convert to it.
3. The answer shows the number in the Indian system (1,25,000) and the international system (125,000), clearly labelled, with the words, how the parts add up, and its value in other units.

Indian and international number systems

The international system groups digits in threes (thousand, million, billion). The Indian system groups the first three digits, then twos (thousand, lakh, crore).

Quick conversions

• 1 lakh = 100,000 = 0.1 million; 10 lakh = 1 million.
• 1 crore = 10,000,000 = 10 million; 100 crore = 1 billion.
• 1 million = 10 lakh; 1 billion = 100 crore; 1 trillion = 1 lakh crore.
• To turn lakh into million, divide by 10; to turn crore into million, multiply by 10.

Numbers written in mixed units

Prices and salaries are often said in two units at once. Add the parts together:

How to convert lakh and crore to million and billion

1. Write the number in digits: 25 lakh = 25 × 1,00,000 = 25,00,000.
2. Regroup the digits in threes from the right: 2,500,000.
3. Read it with international names: 2,500,000 = 2.5 million.

Shortcut: lakh ÷ 10 = million and crore × 10 = million; crore ÷ 100 = billion.

Lakh to million chart

Crore to million and billion chart

Million and billion to lakh and crore chart

Short forms: K, M, B, L and Cr

• K = thousand: 15K = 15,000; 250K = 2,50,000 (250,000).
• L or Lac = lakh: 25L = 25,00,000; 1.5L = 1,50,000.
• Cr = crore: 1.2 Cr = 1,20,00,000; 50 Cr = 50,00,00,000.
• M or Mn = million: 2.5M = 2,500,000; B or Bn = billion: 1.5B = 1,500,000,000.

Need the words for a cheque? Use the number to words converter. For very large or small numbers, try the scientific notation calculator.

Popular numbers in digits

• 1 lakh 25 thousand1,25,000
• 1 lakh 50 thousand1,50,000
• 2 lakh 50 thousand2,50,000
• 5 lakh 75 thousand5,75,000
• 10 lakh10,00,000
• 1 crore1,00,00,000
• 1.5 crore1,50,00,000
• 2 crore 50 lakh2,50,00,000
• 1 lakh crore10,00,00,00,00,000
• 1 million1,000,000
• 2.5 million2,500,000
• 10 million10,000,000
• 1 million 500 thousand1,500,000
• 1 billion1,000,000,000
• 1.5 billion1,500,000,000
• 1 trillion1,000,000,000,000

Unit converters

• Lakh to million1 = 0.1
• Million to lakh1 = 10
• Crore to million1 = 10
• Million to crore1 = 0.1
• Crore to billion1 = 0.01
• Billion to crore1 = 100
• Lakh to crore1 = 0.01
• Crore to lakh1 = 100
• Million to billion1 = 0.001
• Billion to million1 = 1,000
• Billion to trillion1 = 0.001
• Trillion to crore1 = 100,000

How many zeros?

• Thousand3 zeros
• Lakh5 zeros
• Million6 zeros
• Crore7 zeros
• Billion9 zeros
• Arab9 zeros
• Kharab11 zeros
• Trillion12 zeros
• Quadrillion15 zeros
• Quintillion18 zeros

Frequently asked questions