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Dollar-cost averaging (DCA) means buying a fixed dollar amount on a regular schedule instead of investing everything at once. This free calculator lets you test DCA against a lump-sum purchase under different hypothetical price paths. Nothing is saved and there is no sign-up.
Your DCA scenario
Every number here is hypothetical. Enter any coin's price (or a made-up one) and see how the price path changes the result of dollar-cost averaging compared with investing everything on day one.
Portfolio value over time
This tool is for education only and is not financial, investment, or tax advice.
How the calculator works
- Purchases are spaced evenly. The first happens at your starting price and the last at your ending price.
- The fee is charged on every DCA purchase. The lump sum pays it once.
- The price path controls what happens in between: a steady move, a dip that recovers, a spike that fades, or choppy 25% swings.
- The comparison puts the same total money into a single purchase on day one.
It ignores taxes, spreads, slippage, and real market data. It is a way to build intuition, not a forecast.
DCA vs lump sum: what the math shows
In a market that rises steadily, a lump sum usually comes out ahead because more of your money is invested for longer. In a market that dips or swings, DCA often buys more coins at lower prices and can finish ahead. Try the "Dip, then recover" and "Spike, then fall back" paths to watch the result flip.
The real advantage of DCA is behavioral: it removes the pressure of picking a perfect entry and spreads out regret. It does not guarantee a profit.
Frequently asked questions
What is dollar-cost averaging?
It is investing a fixed amount at regular intervals, such as $100 every month, regardless of the current price. You buy more units when prices are low and fewer when they are high.
Is DCA better than investing a lump sum?
Neither wins every time. Lump sum has historically done better in steadily rising markets, while DCA can reduce the risk of buying right before a drop. Use the calculator to see how each path plays out.
How often should I buy?
Consistency matters more than frequency. Many people match their pay schedule. Remember that buying more often can mean more fees, so check what your platform charges.
Does DCA guarantee a profit?
No. If the price ends lower than your average cost, you will have a loss. DCA only changes how you enter the market.
What fees should I include?
Include the trading fee and any spread. If you plan to move coins to your own wallet, also account for network withdrawal fees.
Store what you buy
If you are building a position over months or years, consider holding the long-term part in a wallet you control. Start with our Ledger vs. Trezor comparison and how to buy a hardware wallet safely. Popular entry-level options include the Trezor Safe 3 and the Ledger Nano S Plus (check current price on Amazon). For background reading, see our best books on Bitcoin and crypto.
More free tools: Seed Phrase Backup Checklist and Exchange vs Hot Wallet vs Cold Wallet.
