Entered Price Index Rebase calculator.
Rebase only the indexed portion of an old material estimate using index values supplied by you.
Your inputs
Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.
A clear estimate starts here.
Enter your dimensions and product details to see the quantity and purchase breakdown.
Formula and assumptions
How this calculation works.
Rebase only the indexed portion of an old material estimate using index values supplied by you. Entered arithmetic only; no market forecast, contract pricing or investment advice.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Original estimate
- 1,000.00 USD
- Share explicitly subject to index rebasing
- 60 %
- Original supplied index value
- 100
- New supplied index value
- 120
Estimate using supplied index values: 1,120.00 USD
An index is not a supplier quote or forecast. No index series, future price, inflation assumption or contractual entitlement is selected.
Before you purchase
Use dimensions from your plan and properties from your chosen product. Any design spacing, section or fixing pattern must already be specified.
Entered arithmetic only; no market forecast, contract pricing or investment advice.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-04. Calculation and review policy.