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Dollar-Cost Averaging (DCA) means buying a fixed amount of Bitcoin on a regular schedule — ignoring the price. It spreads purchases over time, but does not guarantee a profit or protect against losses.
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CALCULATING…
Total invested
$0
Worth today
$0
Total gain
$0
BTC Accumulated
₿ 0
Avg Buy Price
$0
Return
0%
Purchases made
0
Best single buy
—
Worst single buy
—
Portfolio growth over time
Amount invested
Portfolio value
DCA vs. buying it all at once
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How this Bitcoin investment calculator works
Estimate a hypothetical Bitcoin investment in US dollars from April 28, 2013. Choose a purchase amount and date, then use the latest available quote or a historical sell date. The DCA calculator models a fixed amount bought daily, weekly or monthly.
Lump-sum return formula
Bitcoin acquired = investment amount ÷ purchase-price estimate. Estimated value = Bitcoin acquired × valuation price. Gain = estimated value − amount invested. Return (%) = gain ÷ amount invested × 100. A loss produces a negative return.
Dollar-cost averaging assumptions
For each scheduled purchase, divide the contribution by that date’s price estimate, then add the Bitcoin amounts together. Value those coins at the latest available quote. Dates use UTC; calendar-month purchases keep the original day, clamped to the last day in shorter months. DCA does not guarantee a profit or prevent losses.
Price sources and limitations
Daily observations come from CoinGecko where available. Other supported dates use built-in monthly reference estimates, interpolation between dated anchors, or a labelled prior observation. Earlier monthly estimates are not verified daily trade prices. The Time Machine identifies purchase and valuation price methods and dates. DCA reports how many purchases use estimated or carried-forward prices. The latest quote may be cached or unavailable.
Fees and slippage are excluded. Optional tax applies the entered percentage to positive gains only; it is a simplified illustration, not a jurisdiction-specific tax calculation. Monthly drawdown can miss intramonth losses, and the S&P 500 comparison excludes dividends. Results describe hypothetical past outcomes and do not predict future returns.
Use Copy result after calculating, or bookmark the calculator URL. Opening that link later updates a still-holding scenario to the latest available quote; a selected sell date stays historical.