Business
Contract price escalation Calculator
Apply weighted labour and material indices to a contract price. This free contract price escalation calculator shows the calculation and its assumptions so you can compare your own figures.
Your results
Apply weighted labour and material indices to a contract price.
Calculated outcomes
- Adjustment Factor
- 1.092×
Assumptions and estimates
- Uses the entered weighted price-adjustment formula and indices. Contract wording controls eligible indices, base dates, caps, lags and whether adjustments can reduce the price.
- Method: Multiplier = fixed weight + labour weight × current/base labour index + material weight × current/base material index.
- Weights must total 100%. Use the indices, dates, caps and adjustment provisions in the actual contract.
Useful next steps
- Use Compare options to test an alternative side by side.
- Copy, print or download a record of this calculation when you need one.
Reports open your email app addressed to s@s1.ie with the public page address only. Your inputs are never added.
How the contract price escalation calculation works
Multiplier = fixed weight + labour weight × current/base labour index + material weight × current/base material index.
Weights must total 100%. Use the indices, dates, caps and adjustment provisions in the actual contract.
Using this calculator
- Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
- Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
- Review adjusted contract price and price adjustment and adjustment percent, then read the stated assumptions and eligibility conditions before using the result.
Worked example
This is a static example using illustrative inputs, not facts about you or today’s date. The displayed eligibility selections and assumptions apply only to this example.
See example inputs
- Original contract price (€)
- 100000
- Fixed component weight (%)
- 20
- Labour weight (%)
- 40
- Material weight (%)
- 40
- Base labour index
- 100
- Current labour index
- 108
- Base material index
- 100
- Current material index
- 115
- Adjusted Contract Price
- €109,200.00
- Price Adjustment
- €9,200.00
- Adjustment Percent
- 9.2%