Standard Component Values Reference

E24 Standard Resistor Values

Complete E24 resistor series (5% tolerance) — 24 values per decade from 1 ohm to 10 megohm.

E96 Standard Resistor Values

Complete E96 resistor series (1% tolerance) — 96 values per decade for precision applications.

Standard Capacitor Values (E12/E24)

Standard capacitor values in E12 (10%) and E24 (5%) series from 1 pF to 1000 uF.

AWG Wire Gauge Chart

American Wire Gauge (AWG) chart with diameter, cross-sectional area, resistance, and ampacity ratings.

Drill Size Chart

Complete drill size reference — the US number gauge (#1–#80), the letter series (A–Z) and fractional sizes in 1/64 in steps, each with its exact metric equivalent.

Screw Thread & Tap Drill Chart

Unified (UNC/UNF) and ISO metric screw threads with major diameter, pitch and the tap drill for roughly 75% thread engagement, in both inches and millimetres.

SI Prefix Chart

Every SI prefix adopted by the CGPM, from quecto (10⁻³⁰) to quetta (10³⁰), with symbol, power of ten and decimal factor.