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Escalation Calculator

Enter a base index value, a current index value, and a contract or scope amount to get the adjusted price and the dollar change. Pick a live index to prefill the current value automatically.

Enter a base value, a current value, and a contract amount to see the adjustment.

One line, one period. The product runs this same calculation on a schedule, across every line item, with an audit trail both sides can see.

Related reading: What is the formula for a price escalation clause?, How do you pick the right base period for a price escalation clause?.

Escalation Calculator, explained

What is the price escalation formula?

Adjusted price equals the contract or scope amount multiplied by the ratio of the current index value to the base-period index value. The ratio minus one, expressed as a percentage, is the escalation percentage applied to the affected portion of the price.

Which index value should I use as the base value?

Use the index value published for the base period your contract names, usually the month of contract signing or bid submission, not the value on the day you happen to be calculating. Pick a specific index above and its latest published value will prefill automatically.