Cash Runway Visualizer

Cash balance and burn rate are usually tracked as separate line items on a spreadsheet, and runway (how many months of cash are left) is often calculated once and then goes stale. This visualizer puts cash balance and burn side by side and computes runway directly from your most recent data, so the number stays tied to what you actually entered.

Enter your cash balance and monthly burn for each month you have data for.

The chart plots Cash Balance as a line and Monthly Burn as bars, on the same dollar axis.

Below the chart, Runway is computed as your latest entered cash balance divided by the average burn over your most recent (up to) 3 months.

• A cash balance line that's falling faster than burn alone would suggest may indicate one-time cash outflows outside of regular burn (like a large one-off expense) — this chart doesn't separate those, it just shows the balance trend.
• Burn bars that are rising over time mean spending is increasing; a rising cash balance despite burn (if it happens) would suggest revenue or funding inflows exceeding burn in that period.
• The computed runway uses only your most recent burn months — a single unusually high or low burn month can swing it, so check whether your last few months are representative before relying on the number.

• Runway here is a snapshot calculation from historical burn — it assumes future burn continues at roughly your recent average, which this tool does not verify or adjust for planned changes.
• A shrinking gap between cash balance and where the burn bars 'point' month over month is a purely visual way to sense-check whether the numbers match the computed runway.
• This tool deliberately does not draw a projected future cash balance line — that would be a forecast, which is outside what this visualizer does. It shows historical data and one deterministic ratio (current cash ÷ recent average burn), not a prediction.

Runway (months) = Latest Cash Balance ÷ Average Monthly Burn, where Average Monthly Burn is the mean of your most recent up to 3 non-empty burn entries. This is a snapshot ratio of current state, not a projection — it does not model future changes to burn or cash balance.

This tool computes runway as latest cash balance divided by average burn over the most recent up to 3 months of data you enter — it does not forecast future cash balance, does not account for planned funding events, seasonal burn changes, or revenue growth, and does not calculate cash balance or burn from accounting data. Month labels and count are fixed by this tool's layout. A month left at 0 after the first is treated as missing data, not as zero cash or zero burn.

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