NicNac Systems

Free · NicNac · 2026-10-12

Job Margin Calculator

For Service-business owner. A quote covers labor and materials but misses overhead or the target margin.

Local processing with no account or payment. No AI connection or automated sending. Save is optional and unencrypted on this browser/device; use non-sensitive references.

Your inputs

Use it well

Use loaded labor cost, including your own time. Enter job-specific overhead once. Margin uses selling price as its denominator; it differs from markup. Compare the current quote with the target price before promising work.

  1. Load the fictional example to understand the format.
  2. Replace it with your own non-sensitive inputs.
  3. Generate, review notes, then download the output.
  4. Save explicitly on your device or export a portable JSON backup.

Offline download uses the same deterministic calculations and document generation. Browser storage may be limited for local files. Keep JSON backups. It does not use cloud AI, synchronize a team, or transmit your data.