Million to Billion Converter
Convert between millions and billions with accurate calculations and multiple display formats
Convert Million to Billion
Enter amount in millions to convert to billions
Conversion Results
Conversion Formulas:
Billion = Million ÷ 1,000
Million = Billion × 1,000
Common Conversions
| Million | Billion | Written Form |
|---|---|---|
| 100 | 0.1 | One Hundred Million |
| 500 | 0.5 | Five Hundred Million |
| 1,000 | 1 | One Billion |
| 2,000 | 2 | Two Billion |
| 5,000 | 5 | Five Billion |
| 10,000 | 10 | Ten Billion |
Scale Comparison
• 1 million seconds ≈ 11.6 days
• 1 billion seconds ≈ 31.7 years
• That's 1,000 times bigger!
• $1 million in $100 bills = 4.4 inches high
• $1 billion in $100 bills = 358 feet high
• About the height of a 35-story building!
• Count to 1 million: ~11 days
• Count to 1 billion: ~32 years
• (Counting 1 number per second, 24/7)
Quick Facts
1 billion = 1,000 million (short scale)
The word "billion" comes from French
Some countries use long scale (1 billion = 1 million million)
In scientific notation: 1 million = 10⁶, 1 billion = 10⁹
World population is about 8 billion people
Understanding Million vs Billion
What is a Million?
A million is 1,000,000 (one thousand thousand). It's written as 10⁶ in scientific notation and represents six zeros after the number 1. Millions are commonly used to describe large quantities like population of cities, salaries of executives, or costs of expensive items.
Real-World Examples of Millions
- •Average cost of a luxury home: $2-5 million
- •Population of small countries: 1-10 million
- •YouTube views for viral videos: millions
- •Corporate annual revenues: millions to billions
What is a Billion?
A billion is 1,000,000,000 (one thousand million) in the short scale system used in the US, UK, and most of the world. It's written as 10⁹ in scientific notation and represents nine zeros after the number 1. Billions describe truly massive quantities.
Real-World Examples of Billions
- •World population: ~8 billion people
- •Tech company valuations: billions of dollars
- •Government budgets: hundreds of billions
- •Age of the Earth: ~4.5 billion years
The Conversion Process
Million to Billion
1. Take your number in millions
2. Divide by 1,000
3. Result is the number in billions
Example: 5,000 million ÷ 1,000 = 5 billion
Billion to Million
1. Take your number in billions
2. Multiply by 1,000
3. Result is the number in millions
Example: 3 billion × 1,000 = 3,000 million