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Convenient Time Calculations

This calculator requires the use of Javascript enabled and capable browsers. This calculator is designed to allow addition or subtraction of time units. Calculate up to eight groups of measurements at a time by placing a value in one or more of the fields. Insert a positive number to add and a negative number to subtract. Click on Calculate to determine the total values for each field header.

Time Units
Required Time Data Entry


Calculated Results

Version 1.4.2

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