Wind Load Calculator

ASTM E1300 Wind Load Calculator

Wind Load Calculator


This calculator makes it easy for you to perform preliminary assessments of the Wind Load resistance of single glazed, annealed (not heat treated) window glass, with various edge support conditions, according to the ASTM E1300 standard.


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This calculator is a demonstration version, with reduced capabilities, of the full size Comprehensive Window Glass Design program, a freestanding Windows™ application developed by Standards Design Group, Inc. in cooperation with the Primary Glass Manufacturers Council. For more information about, or to purchase a copy of, the complete program, call Standards Design Group toll-free at (800) 366-5585 or visit their web site at:

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Please note that we are providing this calculator as a tool for you to use with no expressed or implied warranties regarding the results, and while we have made every effort to assure the accuracy of the calculations, Pilkington will not be responsible for the results or any subsequent problems that may occur as the result of the use of the information contained herein.


Not all glass types are manufactured by Pilkington North America, Inc.
Maximum glass deflection and edge pullout under the design load should always be considered.

Glass must be selected and designed to conform with applicable Safety and Building Code Requirements.

For a copy of the full ASTM E 1300 Standard, write to ASTM, 100 Bar Harbor Drive, West Conshohocken, PA, 19428, or see the web site at:

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