TecniCalc

Engineering calculators - find the unknown automatically

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Efficiency Calculator (eta)

Calculate efficiency, input power, or output power. Leave one field blank to solve for it.

Input Power Pin (watts) Output Power Pout (watts) Efficiency eta (%)

© 2025 Tecnicalc. Calculadoras para Engenharia.

Desenvolvido por Eduardo Gomes Nascimento

Estudante Técnico em Eletrônica - Fundação Liberato | Portão, RS

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Apoie o projeto

Se o TecniCalc te ajuda, uma contribuição via Pix mantém o projeto ativo e evoluindo.

Chave pronta para cópia.

Unlock the Premium Engineering Suite

✅ Full access to Fresnel, JFET, and BJT charts.
✅ Loop calculator for fast iterations.
✅ High-resolution downloads (PNG).
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✅ R$ 9.90 / month or R$ 79.90 / year.

Plan

Confirmation

Pix QR

Pix confirmations can take a few minutes on Mercado Pago.