Lock Calculator is a professional yet easy-to-use tool designed for locksmiths, technicians, hobbyists, and anyone working with locks. The app simplifies the process of determining lock pinning, decoding key cuts, and calculating lock combinations — saving time and eliminating manual errors. Whether you’re pinning a cylinder, converting key codes, or checking depth spacing, Lock Calculator makes the job fast, accurate, and convenient right from your device. Key Features ✔ Calculate lock pinning instantly ✔ Convert key depth and spacing measurements ✔ Solve combinations for multiple lock types ✔ Decode key cuts with precision ✔ Support for master key systems (if applicable) ✔ Clean, intuitive, and user-friendly interface ✔ Works offline — access anywhere on the job