Your Inputs
Adjust the four fields below. Results update instantly as you type. If you are unsure what sats-per-dollar rate to use, 1,000 sats per dollar is a reasonable starting point for illustrative purposes. It is not a forecast.
The total dollar amount you plan to set aside each month for Bitcoin purchases.
Enter your planned monthly savings in US dollars.How often you purchase sats within each month. The monthly total stays the same regardless of frequency.
The exchange rate used for projection. This is a fixed assumption for the entire time horizon. The calculator does not model price changes.
The total number of months over which you plan to stack. Twelve months equals one year. Sixty months equals five years.
Projected Accumulation
Based on your inputs, here is what your savings trajectory looks like. All figures assume a constant sats-per-dollar rate across the full time horizon. Real-world results will differ because exchange rates change continuously.
Year-by-Year Projection
| Year | Invested | Sats | BTC |
|---|---|---|---|
| 1 | $1,200 | 1,200,000 | 0.01200000 |
| 2 | $2,400 | 2,400,000 | 0.02400000 |
| 3 | $3,600 | 3,600,000 | 0.03600000 |
| 4 | $4,800 | 4,800,000 | 0.04800000 |
| 5 | $6,000 | 6,000,000 | 0.06000000 |
What This Calculator Does
The Satoshi Savings Calculator takes four inputs and produces a straightforward accumulation projection. You tell it how much you save each month, how often you buy, what exchange rate to assume, and how long you plan to stack. It multiplies those inputs across time and returns the total sats, the BTC equivalent, and the total dollars invested. That is it.
The output is deliberately simple. Every number you see is a direct consequence of the numbers you entered. There is no hidden modeling, no volatility adjustment, no assumed growth rate. If you enter 1,000 sats per dollar and save $100 per month for 60 months, the math is transparent: 100,000 sats per month, 6,000,000 sats over five years. You can verify every row with a pocket calculator.
What This Calculator Does Not Do
It does not predict future prices. The sats-per-dollar field is a static input, not a forecast. If the actual exchange rate is higher or lower than what you entered, your real accumulation will differ. The calculator has no opinion about which direction the rate will move.
It does not account for exchange fees, network fees, tax implications, or withdrawal costs. Those variables are real, but they vary so widely across platforms and jurisdictions that including them here would create a false sense of precision. Factor them into your own planning separately.
It does not store any data. There are no accounts, no cookies tracking your inputs, and no server-side logs of what you enter. Every calculation happens in your browser and disappears when you close the page. If you want to keep your projections, write them down.
Guidance on Inputs
Monthly savings amount: Use what you can actually commit. Do not enter an aspirational number unless you are genuinely testing a scenario. The value of this tool is honest forward planning, not wishful thinking. Even $25 per month produces meaningful results over a multi-year horizon.
Stacking frequency: This controls how your monthly amount is divided across purchases. Daily stacking spreads your buying across 30 increments per month. Monthly is a single purchase. The total monthly investment remains the same regardless of frequency. In a constant-rate model like this one, frequency does not change the total accumulation. In real markets, frequency affects your average cost basis due to price variance. That effect is outside the scope of this calculator.
Sats per dollar: Think of this as a scenario input. You might enter the current market rate to see where you stand today. Or you might enter a lower rate to model a world where Bitcoin is more expensive per unit. Or a higher rate if you want an optimistic case. The point is not to predict. The point is to see how different rate assumptions change your accumulation path.
Time horizon: Longer horizons amplify the effect of regular stacking. Even modest monthly savings produce surprising totals over five or ten years. The maximum is 600 months (50 years), which is included for people who genuinely think in generational terms.
For the original episode that introduced this concept, see the Satoshi Savings Calculator companion page on the main site. If you are new to Flirting With Bitcoin, the Start Here page provides a clear orientation.