> For the complete documentation index, see [llms.txt](/llms.txt).
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3 endpoints

# Engineering API

Same bearer token, same credit pool, same JSON envelope as every other endpoint — drop them into apps, sites, workflows, or agents without rebuilding formulas, validation, or docs.
[Start free →](/billing/checkout/?plan=free) [View OpenAPI](/v1/docs) [All categories](/tools/)
Electrical
[
Wire Gauge Calculator wire-gauge-calculator
Calculate AWG diameter, area, resistance, ampacity, and optional voltage drop.
1cr · v2026-04-22
](/tools/wire-gauge-calculator/)
Electronics Tools
[
Impedance Calculator impedance-calculator
Calculate series or parallel RLC impedance, phase, resonance, and power factor.
1cr · v2026-04-22
](/tools/impedance-calculator/)
Physics Calculators
[
Hydraulic Cylinder Force Calculator hydraulic-cylinder-force-calculator
Calculate hydraulic cylinder extend and retract force from pressure and diameters.
1cr · v2026-04-22
](/tools/hydraulic-cylinder-force-calculator/)
API OPERATIONAL v1 · OpenAPI 3.1 · MCP 2025-06-18
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Every tool on miniwebtool.com, as a JSON API.
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