This free online calculator is developed to provide a software tool for calculation of deflection and slope at any section of simply supported beam (without overhangs) subjected to point load, uniformly distributed load, varying load and applied moments on the span or on the supports. This calculator uses standard formulae to determine the values of slope and deflection at the required section.

It also calculates maximum value of deflection and the point of its location.

This calculator can also be used to find the ordinates of influence line diagram for deflection at a point of structure.

You can select from the 10 load cases given below or go to Instructions for deflection Calculator for guidelines on using this calculator.

In case of combination of loads you can also use principle of superposition to find resultant deflection and slope.

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