This calculator is useful to determine the area and perimeter of a four sided closed plygon when its coordinates Northing (Y coordinate) and Easting (X coordinate) are given. Please make sure that the polygon is a convex polygon. All the points (A, B, C, D) are taken in a cyclic order. The area is calculated by the following formula

Area = 0.5 x Absolute value of ((X1Y2 – Y1X2) + (X2Y3 – Y2X3) + (X3Y4 – Y3X4) (X4Y1 – Y4X1))

Please enter the values in the appropriate units mentioned in the form given below and start calculations.

Reinforced concrete beam

example on reinforced concrete

Stress Transformation Calculator

Calculate Principal Stress, Maximum shear stress

and the their planes

Calculator for Moving Load Analysis

To determine Absolute Max. B.M. due to moving loads.

Bending Moment Calculator

Calculate bending moment & shear force

for simply supported beam

Moment of Inertia Calculator

Calculate moment of inertia of plane sections

e.g. channel, angle, tee etc.

Reinforced Concrete Calculator

Calculate the strength of

Reinforced concrete beam

Moment Distribution Calculator

Solving indeterminate beams

Deflection & Slope Calculator

Calculate deflection and slope of

simply supported beam for many load cases

Fixed Beam Calculator

Calculation tool for bending moment & shear

force for Fixed Beam for many load cases

BM & SF Calculator for Cantilever

Calculate SF & BM for Cantilever

Deflection & Slope Calculator for Cantilever

For many load cases of Cantilever

Overhanging beam calculator

For SF & BM of many load cases of

overhanging beam

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