Answers the "why", not just the "what"
Every calculator on PanaKit gives you a result. These guides explain the concept behind the result so you can apply it correctly in new contexts.
Technical Guides
Practical guides for real technical problems
PanaKit guides go beyond the result box. Each article explains the concept behind a tool, clarifies when a formula applies, and connects you directly to the right calculator, converter, or reference table for your task.
5
Articles
Covering electrical engineering, health metrics, math, developer tools, and unit systems.
5
Topic areas
Electrical · Math & Science · Health · Developer · Standards & Materials.
40+
Tools linked
Each guide connects directly to the relevant calculator, converter, or reference table on PanaKit.
All technical guides and articles
Browse by topic or scroll through everything. Each card shows the category, estimated read time, and a summary so you know exactly what you're getting before you click.
ElectricalMath & ScienceHealthDeveloperStandards & Materials
Electrical8 min read
Ohm's Law Explained: Voltage, Current, and Resistance Made Simple
Ohm's Law (V = I × R) is the starting point for every electrical calculation. This guide covers the formula, all three rearrangements, worked examples, and the most common mistakes engineers and students make.
Mar 2026Read guide →
Electrical9 min read
AWG Wire Sizing Guide: How to Choose the Right Wire Gauge
Choosing the wrong wire gauge causes overheating, voltage drop, and code violations. This guide explains the AWG numbering system, ampacity ratings, voltage drop calculations, and a six-step sizing method for any application.
Mar 2026Read guide →
Health8 min read
What BMI Actually Measures (And What It Cannot Tell You)
Body Mass Index (BMI) is the world's most widely used health screening metric — and one of the most frequently misinterpreted. This guide explains how BMI is calculated, what the WHO classifications mean, why BMI misclassifies millions of people, and which supplementary metrics paint a fuller picture.
Mar 2026Read guide →
Math & Science6 min read
Metric Prefixes Explained: From Nano to Giga and Why They Matter
Metric prefixes scale SI units by powers of ten. This guide covers every standard prefix, how to convert between them without errors, why capitalization matters, and how they appear in everyday technology — from gigahertz processors to nanometer transistors.
Mar 2026Read guide →
Math & Science7 min read
Unit Conversion Without Errors: A Practical Workflow Guide
Unit conversion mistakes have caused spacecraft to crash and medical dosing errors that harmed patients. This guide teaches dimensional analysis — the systematic method that eliminates errors by treating units as algebraic quantities that cancel — with worked examples across every common category.
Mar 2026Read guide →
Why guides belong alongside calculators
A calculator gives you the number. A guide explains what the number means, when the formula applies, and what to watch out for.
Connected to tools, not isolated from them
Each article links directly to converters, reference tables, and calculators so users can move immediately from understanding to doing.
Written for search intent, not SEO stuffing
Guides target the questions people actually ask: "how does Ohm's Law work", "what does BMI actually measure", "how do I pick the right wire gauge". Direct answers to real questions.
Common questions
Quick answers to what people usually ask before diving into the guides.
What is the difference between a technical guide and a calculator?
A calculator gives you an instant numerical answer. A technical guide explains why that formula works, when to use it, and what the result means in context. Guides help you understand the underlying concept so you can apply it to new situations.
How are PanaKit's guides different from a standard blog?
Every guide on PanaKit is connected to a specific tool, table, or converter. The goal is not to publish content for its own sake — it is to give useful context for users who want to understand a topic before or after they run a calculation.
Can I use PanaKit guides for professional or academic reference?
PanaKit guides are written to be accurate and practical, but they are educational tools, not certified technical references. For professional applications, always verify against official standards, codes, or a licensed professional.
How do I know which guide to read for my topic?
Use the category filter on this page to narrow by topic area, or use the search on the main site. Each guide summary clearly states what problem it solves, so you can quickly identify whether it covers what you need.
Jump into a tool
All guides link to specific tools. Here's the full map — pick a category and start calculating.
Electrical Calculators →
Ohm's Law, voltage dividers, watts-to-amps, and 40+ more electrical tools.
Wire Calculators →
AWG and SWG sizing, voltage drop, ampacity — everything for wiring decisions.
Health Calculators →
BMI, TDEE, body fat, ideal weight, and pregnancy calculators.
Unit Converters →
Length, weight, temperature, power, frequency, and 200+ conversion tools.
Reference Tables →
AWG charts, resistor color codes, HTTP codes, BMI classifications, and more.
Developer Tools →
JSON formatter, Base64, URL encoder, HTML entities, and more.