01 // Chart StudioDONUT
Donut Chart for Budget Allocation — Departmental OpEx & CapEx Ring
A budget allocation donut chart maps departmental or line-item expenditures around a $360^\circ$ annulus ($Share_i = Spend_i / Total\ Budget$) while surfacing total committed capital in the center core.
SUM / TOTAL3,600
MEAN (AVG)600
MEDIAN (P50)465
MIN140
MAX1,450
STD DEV (s)478.71
CHANGE % / CAGR-90.3% (-37.3%)
Hover or tap any bar, point, or slice on the chart to see exact numbers.
Chart Data (6)
Tip: Paste Excel or Google Sheets rows (Ctrl+V / ⌘V) directly into any cell.
| # | Label | ||
|---|---|---|---|
| 1 | |||
| 2 | |||
| 3 | |||
| 4 | |||
| 5 | |||
| 6 |
How Values Are Scaled
Total Budget = sum_{i=1..n}(Spend_i). Cost center weight: w_i = (Spend_i / Total Budget) * 100%. Monthly burn rate = Total Budget / 12.
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Chart Design & Use-Case Tips
- 01Total Budget = sum_{i=1..n}(Spend_i). Cost center weight: w_i = (Spend_i / Total Budget) * 100%. Monthly burn rate = Total Budget / 12.
- 02The center of the donut ring automatically sums all line items so decision-makers see both the total budget envelope ($3.60M) and each department's percentage share.
- 03Keep budget categories consolidated to 5–7 high-level cost centers; use the Treemap for Expense Breakdown if you have 10+ granular GL accounts.
- 04Toggle data labels ON to print exact percentage shares next to each segment.
Frequently Asked Questions
Does the center total update live as I tweak budget numbers?+
Yes—every keystroke in the Data Workbench recalculates the grand total in the center of the donut and updates all segment angles in real time.
How do I include an unallocated contingency reserve?+
Add a row labeled 'Contingency Reserve' with its dollar amount so the ring represents 100% of authorized funds.
Can I print this directly for a budget approval meeting?+
Yes, click 'Print / Save PDF' or 'Export 300-DPI PNG' for a crisp one-page handout.