Beam Load Calculator

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Calculates support reactions for a simply supported beam with a single point load.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Beam Length, Load Position from Left Support, and Point Load in the units shown.

Step 2

Read Reaction at Left Support and Reaction at Right Support in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Beam Length: 10 ft; Load Position from Left Support: 5 ft; Point Load: 1,000 lbs

Reaction at Left Support: 500 lbs; Reaction at Right Support: 500 lbs

Beam Length: 12 ft; Load Position from Left Support: 3 ft; Point Load: 1,500 lbs

Reaction at Left Support: 1,125 lbs; Reaction at Right Support: 375 lbs

Beam Length: 15 ft; Load Position from Left Support: 7.5 ft; Point Load: 2,000 lbs

Reaction at Left Support: 1,000 lbs; Reaction at Right Support: 1,000 lbs

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