Change Order Calculator
Plan change order from project dimensions, material rate, and waste. Use this free change order calculator for fast, clear results with no signup required.
Change Order Calculator guide
What it is for
Plan material quantities for change order calculator before purchasing supplies.
How it is calculated
Direct change cost = labor change + material change. Total change order = direct cost × (1 + overhead or markup percentage / 100).
Assumptions
The surface is reasonably regular and the dimensions, coverage, and waste represent the real project.
Example
Worked example using the fields in order: 1500, 2500, 10. The calculated primary amount is 4,400 currency; the secondary value is 400. Check the units before purchasing.
Limitations
Cuts, openings, packaging, site conditions, and local codes can change the final quantity; confirm with a supplier or professional.