What is the minimum amount of Bitcoin I can buy?
Quick Answer
You don't have to buy a whole Bitcoin. BTC divides into 100 million units called satoshis, and most exchanges let you start with the equivalent of $5–$15.
TL;DR
Bitcoin is divisible to 8 decimals. Practical minimums are set by exchanges, usually $5–$15 per order.
Key Takeaways
- 11 BTC = 100,000,000 satoshis — you can own a fraction
- 2Exchange minimum orders are typically $5–$15
- 3Watch percentage fees: tiny buys can lose 2–4% to costs
- 4Recurring small buys (DCA) are how most beginners start
Full Explanation
A whole Bitcoin costs more than most people want to spend, but that has never been the entry requirement. Bitcoin divides into 100 million satoshis, so owning 0.001 BTC — or 0.00001 BTC — is perfectly normal.
The real minimum is set by each exchange, not the protocol. Most major platforms accept market orders from roughly $5–$15. Below that, fees become the problem rather than the rules: a $1 fixed fee on a $10 purchase is an instant 10% loss.
A sensible starting pattern is a small recurring buy — weekly or monthly — which smooths out price swings and builds a position without timing pressure. Use our Satoshi Converter to see exactly what any small amount is worth today.