TecniCalc

Engineering calculators - find the unknown automatically

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Essentials

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Simulators & Tools

Structural simulator
Circuit simulator
Structures
Math tools

Themes

Rectangle calculator

Enter base and height to compute area, perimeter, and diagonal.

Base (b) Height (h)

© 2025 Tecnicalc. Calculadoras para Engenharia.

Desenvolvido por Eduardo Gomes Nascimento

Estudante Técnico em Eletrônica - Fundação Liberato | Portão, RS

LinkedIn | GitHub | Instagram | Contato

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).
✅ No ads.
✅ R$ 9.90 / month or R$ 79.90 / year.

Plan

Confirmation

Pix QR

Pix confirmations can take a few minutes on Mercado Pago.