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Margin leak calculator

Plug in your numbers. See exactly how much you're losing every month, how long your cash lasts, and where the money is leaking.

Inputs


Results

You are losing $7,500 per month. At this rate, cash runs out in 3.3 months. To break even, revenue needs to reach $22,500/month, that's 125% more than today.

Monthly result

-$7.5K

losing every month

Runway

3.3 mo

until cash runs out

Gross margin

60%

after COGS

Break-even revenue

$22.5K

to cover all costs

Optional. Your results are shown above either way.

Payroll / contractors(80% of revenue)
$8.0K
COGS(40% of revenue)
$4.0K
Marketing / ads(20% of revenue)
$2.0K
Rent / facilities(15% of revenue)
$1.5K
Software(12% of revenue)
$1.2K
Other(8% of revenue)
$800
Projected cash balance over 12 months.
Built by BuildYourBzns: profitability tools for small business2026
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Now that you have the number: if the plan was to hire a marketing agency next, here is the math on whether to do that or fix your margins first.

Recommended reads by Chels

The books Chels keeps coming back to for this. Listen on Audible.