Study Guides/Maths/1 Lakh Has How Many Zeros – Indian Number System
Study Guide · Maths

How Many Zeros Are in 1 Lakh?

1 lakh has 5 zeros and is written as 1,00,000. In the international number system, 1 lakh equals one hundred thousand (100,000). The Indian number system uses lakhs and crores instead of millions and billions.

Question (Click to Flip)

How many zeros are in 1 lakh?

Answer

1 lakh (1,00,000) has 5 zeros. It is written as 1 followed by five zeros.

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Key Facts

1 lakh = 1,00,000 (has 5 zeros)

1 lakh = 1,00,000 = one hundred thousand

10 lakhs = 1 million

100 lakhs = 1 crore

1 crore = 1,00,00,000 (has 7 zeros)

Indian system uses lakhs and crores; international system uses millions and billions

1 lakh = 0.1 million = 0.01 crore

The word lakh comes from Sanskrit 'laksha'

1 Lakh in Numerals

1 lakh = 1,00,000 Zeros in 1 lakh = 5 zeros (the digit 1 followed by five zeros)

In words: One Lakh In international system: One Hundred Thousand

1 lakh = 100 thousand = 100,000

Indian Number System – Place Values

Indian Place Values:

  • Ones: 1
  • Tens: 10
  • Hundreds: 100
  • Thousands: 1,000
  • Ten Thousands: 10,000
  • Lakhs: 1,00,000 (1 followed by 5 zeros)
  • Ten Lakhs: 10,00,000
  • Crore: 1,00,00,000 (1 followed by 7 zeros)
  • Ten Crore: 10,00,00,000

Comparison with International: 1 lakh = 0.1 million 10 lakhs = 1 million 1 crore = 10 million 100 crore = 1 billion

Zeros in Various Indian Numbers

1 thousand = 1,000 → 3 zeros 1 lakh = 1,00,000 → 5 zeros 10 lakh = 10,00,000 → 6 zeros 1 crore = 1,00,00,000 → 7 zeros 10 crore = 10,00,00,000 → 8 zeros 1 arab = 1,00,00,00,000 → 9 zeros

Quick Rule: Number of zeros = number of places after the leading digit.

Converting Lakhs to Other Units

1 lakh = 1,00,000 1 lakh = 100 thousands 1 lakh = 10 ten-thousands 1 lakh = 0.1 million 1 lakh = 0.01 crore

Examples: 5 lakh = 5,00,000 = 500,000 10 lakh = 10,00,000 = 1,000,000 = 1 million 50 lakh = 50,00,000 = 5,000,000 = 5 million 100 lakh = 1,00,00,000 = 1 crore

Questions and Answers

How many zeros are in 1 lakh?+

1 lakh (1,00,000) has 5 zeros. It is written as 1 followed by five zeros.

What is 1 lakh in the international number system?+

1 lakh = 1,00,000 = one hundred thousand (100,000) in the international number system.

How many lakhs make 1 crore?+

100 lakhs = 1 crore. Since 1 lakh = 1,00,000 and 1 crore = 1,00,00,000, dividing: 1,00,00,000 ÷ 1,00,000 = 100.

What is 5 lakh in numbers?+

5 lakh = 5,00,000 (five lakh = five hundred thousand in the international system).

How many zeros are in 1 crore?+

1 crore = 1,00,00,000 has 7 zeros. It equals 10 million in the international system.

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