Steel Coil & Parts Calculator

Optimize your metalworking and production workflow with CoilMaster, the advanced coil calculator and divider designed specifically for engineers, manufacturers, and machine operators. Whether you are calculating master coil weight, determining sheet length, or dividing entry coils into production runs, CoilMaster delivers precise, instant results right on your device.

Comprehensive Inputs: Enter Inner Diameter, Material Thickness, Number of Wraps, Initial Build-Up, and more.

7 Precise Outputs: Automatically calculate First Wrap Length, Last Wrap Length, Total Wraps, Outer Diameter, Weight, Sheet Length, and Coil Build-Up and more.

Cascading Calculations: Computed values seamlessly feed into subsequent formulas for unmatched accuracy.

Built-in Conflict Detection: Never make a data entry error again. The app alerts you if conflicting inputs (like specifying both Wraps and Build-Up) are active.

Material Density Selector: Pre-loaded with industry-standard densities for Carbon Steel, Stainless Steel, Aluminum, and more.

Dynamic Visibility: Results filter automatically to show/hide based on your specific calculation method.

Contextual Help: Built-in dialogs for every result explain exactly which inputs are required to get the math right.

Theme Controls: Full Dark Mode and Light Mode support to reduce eye strain in any environment.

Unit System Selection: Seamlessly switch between metric and imperial unit systems, saved securely to your device preferences.

Locale-Aware Inputs: Smart decimal and integer validation that respects your device's regional settings.

Supported Languages: English, German, Spanish, French, Hindi, Italian, Japanese, Polish, Portuguese, Brazilian Portuguese, Turkish, Chinese