At Flownap, we understand that precision and accuracy are critical when working with industrial materials, especially in the fields of piping, engineering, and procurement. That’s why we offer a wide range of Conversion Charts and Calculators to simplify technical processes and support your project planning, material selection, and on-site measurements.
Whether you're dealing with pipe dimensions, pressure ratings, material weights, or unit conversions, our tools are designed to make your workflow faster, easier, and more efficient.
Nominal Pipe Size (NPS) to Outside Diameter (OD)
Inches to Millimeters and vice versa
Schedule to Wall Thickness
Pipe weight per meter/foot based on size and material
Volume of cylindrical pipes
Fluid capacity and tank volume estimations
PSI to bar, MPa, or kPa
°Fahrenheit to °Celsius and vice versa
Feet to meters, inches to millimeters, etc.
Square feet to square meters
🧮 Accurate & Reliable: All formulas and charts follow international standards and engineering practices.
💼 Project-Ready: Save time on manual calculations and improve job site efficiency.
🌍 Global Usability: Easily convert between metric and imperial systems—ideal for global operations.
💻 User-Friendly Interface: Accessible online on any device, anytime.
Oil & Gas
Petrochemicals
Power & Energy
Construction
Mechanical & Civil Engineering
Water Treatment
We also provide custom calculators tailored to your unique needs—whether you're estimating pipe loads, selecting wall thickness, or determining product requirements for large-scale industrial projects.
Explore our Conversion Charts & Calculators today to streamline your operations and make confident, data-driven decisions.
For custom tools or expert assistance, feel free to contact us — we're always here to help.
