Fermi • Quick Estimate

Quick Estimate

Sanity-check your business with a few inputs. We solve for required units to hit your target and also project the outcome from your provided plan.

Desired Profit (total, $)

Duration (years)

Initial Cost ($)

Operating Expense / year ($)

Tax Rate (%)

Profit Margin (%)

Gross margin before OpEx

Units & Pricing (for projection)

Estimated Units / year

Price per Unit ($)

Discount Rate for NPV (%)

Optional

Enter inputs on the left and hit Calculate.

After-tax profit accumulated each year, minus initial cost. If/when it crosses zero, you’ve broken even.

No chart yet—calculate to see the curve.

Nudge key assumptions ± and see impact instantly. Changes are relative to the inputs on this page; nothing is saved.

Price per Unit

{0}%

Current: $250.00 → Test: $250.00

Units / Year

{0}%

Current: 1200:n0 → Test: 1200:n0

OpEx / Year

{0}%

Current: $50,000.00 → Test: $50,000.00

Δ After-Tax / Year

Baseline: $120,000 → Test: $120,000 +0% vs baseline

Δ Cumulative (duration)

Baseline: $360,000 → Test: $360,000 +0% vs baseline

Gap vs Desired Profit

Lower is better. +0% vs baseline

Baseline vs Test

Metric	Baseline	Test	Δ%
Price per Unit	$250	$250	+0%
Units / Year	1,200	1,200	+0%
OpEx / Year	$50,000	$50,000	+0%
Annual After-Tax Profit	$120,000	$120,000	+0%
Cumulative Profit (duration)	$360,000	$360,000	+0%
Gap vs Desired Profit (lower better)	($60,000)	($60,000)	+0%

Ready to make this real? Convert this estimate into a project to carry your inputs forward and start a deep‑dive (bottom‑up) build.

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