Millions to Billions
Convert million to billion — instant, free, with the formula shown.
How to convert million to billion
To convert million to billion, multiply by 0.001:
For example, 10 M × 0.001 = 0.01 B.
M to B conversion table
| Millions (M) | Billions (B) |
|---|---|
| 1 M | 0.001 B |
| 2 M | 0.002 B |
| 5 M | 0.005 B |
| 10 M | 0.01 B |
| 25 M | 0.025 B |
| 50 M | 0.05 B |
| 100 M | 0.1 B |
| 250 M | 0.25 B |
| 500 M | 0.5 B |
| 1000 M | 1 B |
Other million conversions
Convert to billion from another unit
M to B — frequently asked
How many Billions are in 1 million?
1 million = 0.001 Billions (M × 0.001 = B).
What is the formula to convert million to billion?
Multiply your million value by 0.001 to get billion.
How do I convert 10 Millions to Billions?
10 M = 0.01 B. For 100 M the answer is 0.1 B. Use the calculator on this page for any other value.
When to convert million to billion
Indian Number System conversion — common questions
How many zeros in 1 crore?
7 zeros. 1 crore = 1,00,00,000 (Indian formatting) or 10,000,000 (Western formatting) — that is, ten million.
1 lakh in dollars?
Depends on the exchange rate. 1 lakh INR ≈ 1200 USD (at ₹83/USD). Use our currency converter for live rates: /converters/currency.
Is arab the same as billion?
Yes — in the Indian / Pakistani number system, 1 arab = 1 billion = 100 crore = 10,000 lakh = 1,000,000,000 (nine zeros).
What comes after crore?
Arab (10⁹), then kharab (10¹¹), then nil/neel (10¹³), padma (10¹⁵), shankh (10¹⁷). Most everyday usage stops at crore — arab and beyond appear in government budgets and rare business contexts.