This app provides various calculators required by Piping Fabricators, Piping Engineers, Designers, Draftsmen and site personnel. 1. Pipe Fitters Calculator. 2. Piping Spacing Calculator 3. Allowable Design Pressure Calculator 4. Pipe Wall Thickness Calculator. 5. Bend Wall Thickness Calculator. 6. Branch Re-inforcement Calculator. 7. Support Spacing Calculator. 8. Bolt Length Calculator. 9. Elbow Center Calculator. 10. Insulation Thickness Calculator. 11. Hydrotest Water Calculator. 12. Custom Degree Elbow Cutting Calculator. 13. Rolling Offset Calculator. 14. Paint Quantity Calculator. 15. Buttwelding Tee Weight Calculator. 16. Buttwelding Cap Weight Calculator. 17. Buttwelding Reducer Weight Calculator. 18. Buttwelding Elbow Weight Calculator. 19. Lap Joint Stub End Weight Calculator. 20. Simple Calculator