OhMyCalc

Cable Size Calculator

Select cable size by power, voltage, and line length.

How to Use the Cable Size Calculator

  1. Enter the dimensions of the area or structure (length, width, height).
  2. Specify material parameters if prompted (thickness, overlap, etc.).
  3. Review the calculated material quantity and coverage area.
  4. Use the results to plan your purchase and budget.

Quick Reference

FromTo
Paint (1 coat)~0.15 L/m²
Tile 30×30 cm~11 pcs/m²
Wallpaper roll~5.3 m² coverage
Laminate+10% waste allowance
Cement (screed)~20 kg/m² (5 cm)
Bricks~50 pcs/m² wall

Use Cases

Formula

Select cable size by power, voltage, and line length.

Frequently Asked Questions

How to use?
Enter the data and click the calculate button.
Calculation accuracy?
Calculations are performed with high precision.
Is it free?
Yes, all calculators are completely free.