ASCII Converter

ASCII (American Standard Code for Information Interchange) assigns numbers 0–127 to characters. It is the foundation of modern text encoding and backward-compatible with UTF-8

The calculator uses the standard published formula for ascii converter. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: A=65, Z=90; a=97, z=122; 0=48, 9=57. Each step in the calculation is shown so you can verify the result manually.