Burn Rate Calculator

What this calculator does

Every input on this burn rate calculator maps to a real decision, so the output is something you can act on immediately, not a rough ballpark you'll have to double-check elsewhere.

Burn rate is monthly cash consumption for unprofitable companies.

Formula and worked example are shown in plain language below.

Includes a copy-ready summary and printable PDF view.

Inputs required: 3

Result updates live as you type — no "Calculate" button needed.

How to use the Burn Rate Calculator

Enter your values in the fields on the left.
Results update automatically.
Use the action buttons to copy, share or print.

The formula

Burn = (Start Cash − End Cash) / Months

Worked example

$500k → $400k over 3 months = $33k/mo burn.

Common mistakes

Gross vs net burn confusion
Excluding non-recurring
Not planning for growth

When to use it

Use for runway planning and fundraising.

Pro tips for the Burn Rate Calculator

Copy the result to paste it directly into email, Notion, or a spreadsheet cell.
Use Print / PDF to export a clean, ad-free summary you can share with a client or advisor.
The chart updates live — drag values up and down to build intuition for how the formula behaves.

Frequently asked questions

›Gross vs net burn?

Net = burn minus revenue.

›Good burn?

Depends on ARR growth — burn multiple metric.

›Burn multiple?

Net burn / net new ARR — under 1 is good.

›Include one-times?

Note separately for clarity.

›Runway = cash / burn?

Yes.

›How accurate is this burn rate calculator?

The formulas match the standard textbook definition shown above. Rounding is applied only for display; underlying computation uses full floating-point precision. For regulated business & marketing decisions, always confirm with a qualified professional.

›Can I use this on mobile?

Yes — the burn rate calculator is fully responsive, and results, charts, and the share button all work on phones and tablets.

Embed this calculator

Drop the Burn Rate Calculator into your own site or blog post. Free to use — a small “Powered by CalcPilot” link is appreciated.

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