Use this construction calculation for preliminary quantity, geometry, material, load, or coverage planning when dimensions and units have been measured consistently.

Load power (W)

Required number input.

Supply voltage (V)

Required number input.

Convert electrical load power to current for a DC circuit or AC load with unity power factor; does not size a breaker. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Load current (A)

The resulting load current returned as a number.

• Electrical calculations require the applicable code, conductor and insulation rating, temperature and bundling corrections, continuous-load rules, overcurrent protection, grounding, and equipment instructions. Qualified design and inspection may be legally required.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Verify dimensions on site, use current product data and local code requirements, include an explicit waste or safety allowance where appropriate, and obtain qualified structural, electrical, plumbing, or geotechnical review when required.

• Wire Voltage Drop

  Estimate round-trip DC voltage drop of a two-conductor circuit from one-way length, conductor resistance per meter, and current.

• Simple Beam Deflection

  Estimate midspan elastic deflection of a prismatic, simply supported beam under uniform load using small-deflection Euler–Bernoulli theory; not a code check.

• Compaction Factor Adjusted Volume

  Convert loose soil volume to compacted volume using a measured compacted-to-loose volume ratio.