Price escalation calculator
Contract price adjustment by index formula (FIDIC 13.8, Haylett style).
| Cost element | Weight | Base index | Current index | |
|---|---|---|---|---|
- Adjustment factor
- 1.0845
- Price adjustment
- 8,450.00
- Adjusted value
- 108,450.00
Adjusted value = V × (fixed + Σ weight × current index ÷ base index). Use the indices your contract names, at the base date and the valuation date.
Do this for a whole project
Upload your drawings for a priced bill of quantities, then run valuations, variations and payments from it in one workspace.