Educational reference
About Power Totals
Electrical calculators with visible formulas, local calculations, and no accounts or sign-up walls. The methods, assumptions, sources, and review dates are stated in the page so each figure can be interpreted in context.
Electrical calculators with visible formulas, local calculations, and no accounts or sign-up walls.
What Power Totals is
Power Totals is an educational calculator directory for electricians, installers, technicians, makers, engineers, students, and property owners who need clear electrical math. It uses visible formulas, editable assumptions, local calculation, and practical diagrams.
What it is not
Power Totals is not an electrical contractor, engineering firm, inspection service, permit authority, code-book substitute, utility, equipment manufacturer, NFPA affiliate, or CSA Group affiliate. Results are not professional advice or approval for installation.
Ads and partner links
Advertising and partner links are labeled and placed outside the calculation. They cannot change a result, warning, formula, or default value.
Affiliate disclosure
Disclosure: PowerTotals may earn a commission if you purchase through partner links, at no additional cost to you. Affiliate relationships do not affect calculator results.