Bitcoin Average Buy Price Calculator
Work out your weighted average Bitcoin (BTC) entry price across multiple buys — and see exactly where your break-even sits.
Result
Enter values to see the result.
Using the Bitcoin Average Buy Price Calculator
If you bought BTC more than once, your break-even is not the midpoint of the two prices — it is the weighted average, where the larger buy pulls the average toward its own price. This calculator does that weighting for you across two entries, which is the case that trips people up most often when they average down.
The weighted average is also your cost basis for tax in most jurisdictions, though the accepted method differs by country — some require FIFO, others mandate an average-cost approach. Our region-by-region crypto tax guides cover which method applies where before you rely on this figure for a return.
BTC is the least volatile of the majors but still routinely moves 5–10% in a day and has drawn down more than 70% in past bear markets. That is the practical argument for knowing your true average: it tells you the exact BTC price at which the position stops being a loss, which is a much more useful anchor during a drawdown than the price of your first buy.
Where a BTC break-even actually lands
- Last price
- $77,185
- 52-week range
- $58,526 – $124,728
- Position in range
- 28%
- Equal-$ break-even
- $79,669
At $77,185, BTC sits about 28% of the way up its 12-month range. That puts you near the bottom of that range — averaging down here pulls your break-even toward the current price fastest.
Split $1,000 evenly between a buy at this year's low and one at its high and your weighted average is $79,669 — below the $91,627 midpoint, because the cheaper buy bought more coins. That weighted number, not the midpoint of the two prices, is your true break-even and, in most countries, your cost basis for tax.
Figures are derived from BTC's own daily closes over the window shown and are bounded by it — not all-time values. Prices move; treat them as context, not a forecast.
Bitcoin at a glance
- Launched
- January 2009
- Consensus
- Proof-of-work (SHA-256)
- Max supply
- 21,000,000 BTC
- Block time
- ~10 minutes
- Issuance
- Halves every 210,000 blocks (~4 years)
- Native staking
- None — Bitcoin is mined, not staked
Frequently asked questions
- How do I calculate my average BTC price?
- Add up what you spent across all buys, then divide by the total number of BTC you received. Weighting by size is essential — buying 1 BTC high and 9 BTC low gives an average far closer to the low price.
- Does averaging down lower my break-even?
- Yes, arithmetically — buying more BTC below your entry pulls the weighted average down. It also increases your position size, so the same percentage move against you now costs more in dollars. Check the new position against your risk limit before adding.
- Do exchange fees change my cost basis?
- In most tax systems acquisition fees are added to cost basis, which raises your true break-even slightly above the raw weighted average. On-chain BTC fees are paid per byte of block space and spike when the mempool fills, so plan withdrawals around quiet periods; exchange trading fees usually dwarf them for small positions.
- How do I calculate average entry price?
- Average entry = total cost ÷ total coins. Multiply each buy's price by its amount, sum them, then divide by total coins held.
- What is averaging down?
- Buying more of an asset at a lower price to reduce your average entry, so a smaller recovery is needed to break even.
More BTC calculators
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Average Entry Price Calculator for other coins
📖 Learn more
What dollar-cost averaging is, why it works in volatile crypto markets, its pros and cons, and how to model your own DCA plan.
HMRC has no separate crypto tax — it uses Capital Gains Tax, an income tax charge on rewards, and share-pooling rules that decide which coins you actually sold. Here is how all three work.
Germany treats crypto unusually kindly: hold for more than a year and the gain is completely tax-free. Here is how §23 EStG works, the €1,000 exemption limit, staking rules and the new DAC8 reporting.
Prefer the generic version without BTC presets? Open the Average Entry Price Calculator.
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For educational purposes only. Rates, fees and protocol parameters change — verify current figures with your exchange or validator before acting. Not financial advice.