Units and prefixes
A practical guide to m, µ, n, k, M and electronics notation.
Safety and methodology
Units, formulas, assumptions and safe power-up.
Check units, model assumptions and rating margin before building.
First value: every tool works without an account, and guides link directly to calculations.
All pages in this category
Electronics formula sheet
Common relationships with units and limitations.
Component markings
Read resistor, capacitor, diode and package markings.
Calculation methodology
Assumptions, rounding, units and safety rules used by LutujTo calculators.