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Calculator Tools
Budget Calculators

Zero-Based Budget Calculator

Give every dollar a job: assign income to categories until income minus allocations equals zero.

Also known as zero based budgeting, every dollar budget, zbb calculator.

Enter values

Separate values with commas, spaces or new lines.

Results update as you type.

Result

Still to assign

$650.00

Assigned
$3,550.00

About the Zero-Based Budget Calculator

Give every dollar a job: assign income to categories until income minus allocations equals zero.

Also known as: zero based budgeting, every dollar budget, zbb calculator.

How to use this calculator

  1. Enter monthly income, allocations.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Zero-Based Budget formula

Income − Σ allocations = 0

Worked example

Using the values pre-filled in the calculator above:

  • Monthly income = 4,200
  • Allocations: 1300, 500, 250, 200, 400, 300, 600

the calculator returns:

  • Still to assign: 650
  • Assigned: 3,550