Engineering Tools & Reference Tables

Reference Tables

Flow & Velocity Calculator

CalculatorFlow

Convert between volumetric flow rate and pipeline velocity. Pick a pipe size and schedule to get the ID, or enter a custom diameter. Supports m³/h, L/min, US gpm, bbl/day, CFM, ft/s, m/s, and more.

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Pipe Schedule Chart

PipingASME B36.10M

ANSI/ASME B36.10M steel pipe dimensions. Inside diameters for NPS 1/8" to 36" across 11 schedules. Imperial and metric units with instant conversion.

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Pressure Ratings & Pipe MAWP

PipingASME B16.5ASME B31.3

ASME B16.5 flange ratings for 24 material groups and B31.3 pipe MAWP calculators for 27 seamless pipe materials. Interactive charts, tables, and calculators with unit conversion.

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Crude Oil Interfacial Tension

Fluid PropertiesISO 3171

Water-oil interfacial tension (IFT) reference data for 16 crude oil types at 20, 40, and 60 °C. Includes API gravity correlation and estimation guidelines for ISO 3171 calculations.

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Crude Oil Viscosity & Density

Fluid PropertiesViscosity

Kinematic and dynamic viscosity data for 16 crude oil types at three temperatures. Density at 15 °C and API gravity. Toggle between viscosity units.

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Water Density vs Temperature

Fluid PropertiesDensity

Fresh water and brine density reference data with interactive charts. Kell (1975) polynomial formula. Comparison across five salinity levels from fresh water to saturated NaCl.

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Dispersion Calculator

CalculatorISO 3171Mixing

Water-in-oil dispersion quality calculator per ISO 3171 Annex A. ZTMX static mixer sizing with pressure drop, droplet size, concentration ratio, and multi-temperature flow analysis charts.

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