See the real impact before you sign the change order. Enter your original contract value and the change order amount to see the revised total and % impact instantly.
For estimation purposes only. Terms of Use
A single change order rarely tells the whole story. Log it here, then track every change order for the project with the Change Order & Cost Impact Tracker — automatically running totals so you always know your true contract value.
One change order is easy to track in your head. The fifth one on a job is not.
The Change Order & Cost Impact Tracker logs every change order with a running total against your original contract — part of the Summit Pro Cost Control Bundle.
Get the Change Order Tracker →Part of the Cost Control workflow.
Classification is based on the absolute percentage change: Minor under 5%, Moderate 5–15%, and Major above 15%. Many contracts flag cumulative changes above a set threshold for additional approval, so knowing the percentage impact early matters.
An original contract of $250,000 with an approved change order of $18,500:
Use this to quickly see how a single approved or pending change order moves your contract value and by what percentage, before you sign or submit it.
This checks one change order at a time and does not save results. For a running log of every change order on a job with cumulative totals, use the Change Order & Cost Impact Tracker template.
Any approved or pending modification to scope, cost, or schedule from the original contract.
No — for a running log across the whole project, use the Change Order & Cost Impact Tracker template.
We recommend documenting even verbal changes in writing before proceeding — this calculator helps you see the cost impact either way.