Actual Cost

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The Actual Cost (AC) calculator computes the real cost incurred for the work perform based on the Cost Variance (CV) and the Cost Performance Index (CPI).

INSTRUCTIONS: Choose the preferred units and enter the following:

• (CV)  This is the cost variance.
• (CPI)  This is the cost performance index.

Actual Cost (AC): The calculator returns the Actual Cost (AC) in U.S. dollars.  However, this can be automatically converted to other currencies via the pull-down menu.

The Math / Science

The Actual Cost (AC) equation computes the real total cost incurred for the work performed on an activity during a specified period. In general, it is the actual amount spent on the project to date.

INPUTS:

• Cost Performance Index (CPI) - a measure of the cost efficiency of budgeted resources expressed as the ratio of earned value to actual cost This metric is expected to be greater than or equal to 1.0.
• Cost Variance (CV) - the amount of budget deficit or surplus [how much you are over-budget or under budget] at a given point in time, expressed as the difference between the earned value and the actual cost. This metric is greater than or equal to 0.0.

Any monetary system can be used for the input Cost Variance and output will be in same units.

Other Earned Value Management Formulas

• EVM Calculator - This is a calculator with a collection of EVM formulas.
• (PV) Planned Value is "The Authorized budget assigned to scheduled work."
• (CPI) Cost Performance Index  is a measure of the efficiency of expenses expended on a project.
• (EAC1) Estimated At Completion (v1)  - equation computes a project management metric, the Estimate at Completion (EAC).
• (TCPI1) To Complete Performance Index(v1) - is: "A measure of the cost performance that is required to be achieved with the remaining resources in order to meet a specified management goal, expressed as the ratio of the cost to finish the outstanding work to the remaining budget.” [from the PMBoK Guide 5th edition, Glossary]
• (AC) Actual Cost computes the real total cost incurred for the work performed on an activity during a specified period. In general, it is the actual amount spent on the project to date.
• (SPI) Schedule Performance Index is: "A measure of schedule performance expressed as the ratio of earned value and planned value.” [from the PMBoK Guide 5th edition, Glossary]
• (EAC2) Estimate At Completion (v2) is: "The expected total cost of completing all work expressed as the sum of the actual cost to date and the estimate to complete.” [from the PMBoK Guide 5th edition, Glossary]
• (TCPI2) To Complete Performance Index (v2)   - is "A measure of the cost performance that is required to be achieved with the remaining resources in order to meet a specified management goal, expressed as the ratio of the cost to finish the outstanding work to the remaining budget.” [from the PMBoK Guide 5th edition, Glossary]
• (EC) Estimate to Complete   equation is used to compute the expected cost to accomplish all the remaining project work.
• (BAC) Budget At Completion   equation is used to compute the sum of all budgets established for the work to be performed. This equation supports the Program Management assessment of project fiscal status using the Earned Value Management approach, which includes this calculation of the Budget at Completion.
• (VAC) Variance at Completion   is used to compute the projected amount of budget deficit or surplus in project management assessment.
• (EMV) Expected Monetary Value  is: "A statistical technique that calculates the average outcome when the future includes scenarios that may or may not happen. A common use of this technique is within decision tree analysis.” [from the PMBoK Guide 5th edition, Glossary].
• (EV) Earned Value  is used to measure the work performed expressed in terms of the authorized budget for that work. [from the PMBoK Guide 5th edition, Glossary]. It is also know as the Budgeted Cost of Work Performed (BCWP).
• (CV) Cost Variance  computes the difference between earned value(EV) and actual cost (AC). A positive CV is indicative of an under budget while a negative CV is indicative of an over budget.
• (SV) Schedule Variance  is: "A measure of schedule performance expressed as the difference between the earned value and the planned value.” [from the PMBoK Guide 5th edition, Glossary]
• (PrV) Present Value  computes the present value of money planned or estimated in the future that has been discounted to reflect its current value as if it existed today.

Schedule Float

• Float Start  equation computes the slack time available at the beginning of a project schedule.
• Float End  equation computes the slack time available at the end of a project schedule