⭐ Most-used calculators
🔄
Engineering Unit Converter
30+ categories · SI ↔ Imperial
→
♨️
Heat Exchanger Design
TEMA · Bell-Delaware · LMTD
→
🎛️
Control Valve Sizing
IEC 60534 · Cv/Kv · Choked Flow
→
📉
Pipe Pressure Drop
Darcy-Weisbach · Colebrook-White
→
🎯
Orifice Design & Sizing
ISO 5167 · RH/G · DP Meter
→
💨
Steam Properties
IAPWS-IF97 · All Regions
→
⚡
Steam Turbine Power
Isentropic · Rankine Cycle
→
🌀
Pump, Compressor & Fan
Pump · Compressor · Fan · Blower
→
🧪
Gas Equation of State
Peng-Robinson · SRK · Z-Factor
→
🔁
Rankine Cycle
Thermal Efficiency · Boiler · Condenser
→
🏭
Cooling Tower Performance
CTI ATC-105 · NTU-Merkel
→
Process & Fluid Systems8 tools
🎯Orifice Design & Sizing→
ISO 5167-2 orifice plate: Reader-Harris/Gallagher discharge coefficient, beta ratio, DP & permanent pressure loss.
🌀Pump, Compressor & Fan→
Centrifugal & PD pumps (NPSHA/NPSHR, affinity laws), multi-stage compressors with intercoolers, fans & blowers — isentropic & polytropic.
🧪Gas Equation of State→
Real gas behaviour using Peng-Robinson, Soave-Redlich-Kwong & van der Waals EOS. Z-factor & compressibility calculations.
🔄Engineering Units Converter→
30+ categories: pressure, flow, temperature, energy, power, viscosity, force & more. Full SI ↔ Imperial conversion.
📉Pipe Pressure Drop Calculator→
Darcy-Weisbach & Hazen-Williams pipe friction losses. Colebrook-White friction factor, fittings, elevation head & multi-segment networks.
🔧NPSH Calculator→
Net Positive Suction Head Available vs Required. Cavitation risk assessment, vapour pressure correction, suction line losses & pump selection guidance.
📐Head & Pressure Calculator→
Static, dynamic & total head calculations. Pump head, system curve, fluid column pressure for any fluid density & elevation difference.
Heat Transfer & Thermodynamics7 tools
♨️Heat Exchanger Design→
Shell & tube (TEMA classifications), Bell-Delaware shell-side, LMTD correction factor, overall U-value & fouling resistance.
💨Steam Properties (IAPWS-IF97)→
Full steam tables per IAPWS-IF97. Saturated & superheated steam properties, wet quality, enthalpy, entropy & specific volume.
⚡Steam Turbine Power→
Isentropic efficiency, power output & steam consumption for condensing & back-pressure turbines. Rankine cycle analysis.
❄️Steam Quench Calculator→
Desuperheater & steam quench calculations. Spray water flow rate, outlet temperature & enthalpy balance for steam conditioning.
🔁Rankine Cycle Calculator→
Ideal & actual Rankine cycle analysis. Thermal efficiency, boiler heat input, turbine & pump work, condenser heat rejection.
🌬️Psychrometric Calculator→
Moist air: dew point, wet-bulb, humidity ratio, specific enthalpy & volume for HVAC & drying system design.
🏭Cooling Tower Performance→
CTI ATC-105 thermal performance: NTU-Merkel method, approach & range, tower characteristic, drift & evaporation losses.
Vessels, Separators & Materials4 tools
🛢️Vessel / Separator Sizing→
Horizontal & vertical separators: retention time, mist eliminator, nozzle sizing per ASME VIII & API 12J.
🔬Material of Construction→
Corrosion resistance guide for pipes & equipment. Select optimal material by fluid chemistry, temperature & concentration.
📚Material Grades Library→
Comprehensive material grades reference: ASTM, DIN, EN & ISO standards for steels, alloys & non-ferrous materials.
💧Water Treatment Calculator→
Chemical dosing, blowdown rates, cycles of concentration for boiler & cooling tower water treatment systems.
Engineering suites
🏗️CivilCalc Pro→
Beam bending, column, concrete mix, pipe flow (Manning/H-W), retaining wall, earthwork & surveying.
⚡ElecCalc Pro→
Ohm's law, AC/DC power, cable sizing (IEC 60228), motor, transformer, fault current (IEC 60909) & HV testing.
📡InstruCalc Pro→
4–20 mA signal conversion, square root extractor (DP flow), loop integrity, thermowell (ASME PTC 19.3) & thermocouple reference.
⚙️MechCalc Pro→
Structural, beam, ASME VIII vessel, bolt & flange, AWS D1.1 weld, AGMA gear, shaft, spring, fastener & CNC machining.
🔍
No results for ""
Try a different keyword.
Try a different keyword.