Bitcoin Investment Calculator
See what a Bitcoin investment made on any past date would be worth today. Enter an amount and a date to get the profit or loss, the return multiple, and the annualised return, based on daily closing prices going back to 2012.
*Disclaimer: The information provided here is for informational purposes only and does not constitute financial advice. Cryptocurrency trading involves risks, so please DYOR. For beginners, check out our Beginners Guides to learn more.
How the Calculation Works
The calculator divides your investment by Bitcoin's closing price on your chosen date to get a quantity of BTC, then values that quantity at the latest available daily close. If the exact date has no data, for example a gap in early history, it uses the nearest close before it.
It models a single lump-sum purchase held to today. That is deliberately simple, and it is not how most people actually invest. Spreading purchases over time changes the outcome substantially, usually reducing both the best and the worst results.
⚠️ Why Big Historical Returns Are Misleading
Bitcoin's largest returns came from a starting point where the entire network was worth a rounding error. Those multiples cannot repeat from today's market size, and quoting them says nothing about what happens next.
- Survivorship and hindsight: picking a date after the fact is easy. Nobody knew at the time which dates would look good.
- Volatility is hidden: most of these holding periods contain drawdowns of 50 to 80 percent. A number on this page does not convey what holding through that felt like.
- Costs are excluded: fees, spreads and tax all reduce real returns.
If you are considering investing, our guides on crypto volatility and doing your own research are more useful than any historical multiple.
Bitcoin Investment Calculator: Frequently Asked Questions
How does this Bitcoin investment calculator work?
Enter an amount and a past date. The calculator finds Bitcoin's closing price on that date, works out how much BTC that sum would have bought, and values that holding at the most recent daily close. It assumes a single lump-sum purchase held without selling.
Does it include fees and taxes?
No. Results ignore exchange fees, spreads, withdrawal costs and any tax on gains. Real-world returns would be lower, and in some jurisdictions a disposal creates a taxable event. Treat the figures as a simplified illustration rather than a statement of what you would have kept.
How far back does the price data go?
Daily price history starts in late 2012. Bitcoin traded before then, but early prices were thin and inconsistent across the few venues that existed, so calculations from that period would be unreliable.
What does the annualised return (CAGR) mean?
Compound annual growth rate expresses the total return as a smoothed yearly rate. It is useful for comparing holding periods of different lengths, but it hides volatility: Bitcoin has had drawdowns of more than 70% inside periods that still show a strong CAGR.
Does a past return predict future returns?
No. This tool is a historical lookup, not a forecast. Bitcoin's early returns came from an extremely small starting base that cannot repeat at its current size, and past performance is not indicative of future results. Nothing here is investment advice.
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