Interactive tools

Project Cost Calculators

Simple browser-based tools for exploring project cost assumptions. Your entries stay in the browser and are not sent to this website.

Project Estimate Calculator

Combine direct cost, overhead and contingency in a transparent planning total.

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Three-Point Contingency Calculator

Calculate a PERT expected value, standard deviation and approximate planning range.

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Earned Value Calculator

Calculate cost and schedule variances, CPI, SPI, EAC and VAC.

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Lifecycle Cost Calculator

Discount recurring operating, maintenance and replacement costs to present value.

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Overhead Allocation Calculator

Apply a shared-cost pool to a selected allocation base.

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Use with care: calculator results are mathematical outputs from the values you enter. They do not validate scope, rates, accounting treatment, risk or suitability for a real decision.