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Burn Rate Calculator

How much runway do you have?

Enter your cash position and monthly numbers to see your net burn and how many months of runway remain.

Your numbers

$
$
$

Your position

Monthly net burn$100,000Expenses minus revenue
Runway10.0 moAt $100,000/mo net burn
Current cash balance$1,000,000Starting position
How to read this

What this tells you

Runway is a simple ratio, but the numbers behind it move constantly. Reading it well means knowing which burn you are looking at and how fresh the inputs are.

Net burn, not gross

Gross burn is everything you spend in a month. Net burn subtracts the revenue you bring in, so it reflects the cash you actually consume. This tool uses net burn.

Runway is cash over net burn

Divide your cash balance by monthly net burn and you get the months of runway left. If you are cash-flow positive there is no burn to divide, so runway does not apply.

Keep the actuals live

A single month is a snapshot. Burn shifts with hiring, collections, and one-off spend, so the figure is only useful when it tracks your real numbers as they close.

Example estimate only. Runway assumes a constant monthly net burn with no change in revenue, expenses, or financing. Actual runway depends on seasonality, collections, and future spend.

See your runway in real time

Rivane keeps cash, burn, and runway live off your actuals. Book a demo to see it.

Request a demo