Engineering Calculators
Steam tables, boiler and energy calculations, metal weights and unit converters. Free, no sign-up; share results and return to past calculations in one click.
- 64 free tools
- 9 categories
- IAPWS-IF97 verified steam data
Steam Tables
Properties of saturated and superheated steam according to the IAPWS-IF97 standard: saturation temperature and pressure, enthalpy, specific volume, density, entropy, and viscosity.
Saturated Steam Table (By Pressure)
Saturation temperature, enthalpy, specific volume, density, and entropy by pressure.
CalculateSaturated Steam Table (by Temperature)
Saturation pressure and all saturated steam properties by temperature.
CalculateSuperheated Steam Table
Enthalpy, volume, cp, and viscosity of superheated steam based on pressure and temperature.
CalculateBoilers and Energy
Calculations for steam boiler capacity, fuel consumption and cost, steam cost, boiler efficiency, flue gas loss, blowdown, flash steam, economizer savings, and CO₂ emissions.
Steam Boiler Capacity Calculation (t/h ↔ kW)
Convert steam flow rate (t/h) to thermal power (kW, kcal/h) or vice versa.
CalculateBoiler Fuel Consumption Calculation
Natural gas, coal, fuel oil, LPG, and pellet consumption and cost from boiler power.
CalculateFuel Cost Comparison
Compare the heating costs of natural gas, coal, fuel oil, LPG, pellet, and electricity.
CalculateSteam Cost Calculation (Cost of 1 Ton of Steam)
The fuel cost of producing 1 ton of steam and the amount of fuel required.
CalculateEnergy Unit Cost Calculation
Cost of 1 MJ, 1 kWh and 1,000 kcal of heat from fuel price and efficiency.
CalculateBoiler Efficiency Calculation
Steam boiler efficiency and load factor from feed water and fuel consumption.
CalculateFlue Gas Loss and Combustion Efficiency Calculation
Combustion efficiency and excess air from flue gas temperature and O₂ measurement.
CalculateBoiler Blowdown Rate Calculation
Blowdown rate, blowdown flow rate and blowdown heat loss from TDS values.
CalculateFlash Steam Calculator
Flash steam rate and flow rate resulting from condensate pressure drop.
CalculateEconomizer Savings Calculator
Heat and fuel savings recovered by feed water preheating.
CalculateFuel CO₂ Emission Calculation
Tonnes of CO₂ emissions from fuel consumption (IPCC 2006 factors).
CalculateSteam Line and Pipe
Steam pipe diameter selection (based on pressure drop and velocity), pressure drop in steam line, steam velocity and flow rate, pipe heat loss and economic insulation thickness calculations.
Steam Pipe Diameter Calculation (According to Pressure Loss)
Selects the smallest steam pipe diameter that does not exceed the allowable pressure loss.
CalculateSteam Pipe Diameter Calculation (According to Speed)
Selects the smallest pipe diameter that does not exceed the permissible steam velocity (mainline, superheated, vent, flash).
CalculateSteam Line Pressure Loss Calculation
Pressure loss, end-of-line pressure, velocity, and equivalent length in the selected steam pipe.
CalculateCalculation of Steam Velocity and Flow Rate in the Pipe
Steam velocity or steam flow rate that can be transported according to pipe diameter and pressure.
CalculatePipe Heat Loss Calculation (Insulated and Bare)
Heat loss, condensate load and surface temperature in insulated or bare steam pipe.
CalculateEconomic Insulation Thickness Calculation
The optimal insulation thickness that balances energy loss and insulation investment.
CalculateCondensate and Process Heating
Calculations of commissioning condensate load, steam consumption in liquid and air heating, heat exchanger stall point and condensate recovery savings.
Condensate Load Calculation in Commissioning
Condensate and steam trap load generated during the heating of the cold steam line.
CalculateCalculation of Steam Consumption in Liquid Heating
Steam (condensate) flow rate and thermal power required to heat the liquid to the desired temperature.
CalculateCalculation of Steam Consumption in Air Heating
Steam consumption and thermal power for steam air heater (battery).
CalculateHeat Exchanger Stall Point Calculation
The load ratio at which the condensate discharge stops in the modulating steam exchanger.
CalculateCondensate Recovery Savings Calculation
Annual fuel, water and treatment savings of returning condensate to the boiler.
CalculateValve, Leakage and Steam Quality
Steam valve Kv/Cv calculation, orifice and steam leakage flow rate and cost, steam dryness after pressure reduction and separator, effect of air in steam.
Steam Valve Kv / Cv Calculation
Choice of steam valve Kv/Cv and steam flow rate through the valve (IEC 60534).
CalculateSteam Leakage and Orifice Flow Rate Calculation
Steam flow rate escaping through the orifice, annual loss and cost.
CalculateCalculating Steam Dryness in Pressure Reduction
Steam dryness and superheat after pressure reduction (throttling).
CalculateSteam Dryness Calculation on Separator Line
Inlet dryness from condensate separated from the separator and dryness after pressure reduction.
CalculateCalculation of the Effect of Air in Steam on Temperature
Temperature drop in the steam-air mixture or the air ratio from the measured temperature.
CalculateWater and Plumbing
Calculations of pump power, closed expansion tank, thermal power and flow rate (Q = m·c·ΔT), water pipe pressure loss and diameter selection, installation water volume and tank volume.
Pump Power Calculation
Pump shaft power, motor power and energy cost from flow rate and head.
CalculateClosed Expansion Tank Calculation
Expansion tank volume and pressures for closed circuit hot water installation (EN 12828).
CalculateThermal Power and Flow Calculation (Q = m · c · ΔT)
Thermal power ↔ flow rate conversion according to the supply–return temperature difference.
CalculateWater Pipe Pressure Loss Calculation
Pressure loss (Pa/m, kPa, mWC) and flow velocity in steel water pipes.
CalculateWater Pipe Diameter Calculation
The optimal water pipe diameter according to the speed and pressure loss limits.
CalculateSystem Water Volume Calculation
The total volume of water of the installation from pipe lengths, boilers and heaters.
CalculateTank Volume Calculation (Cylinder and Rectangle)
Cylindrical and rectangular tank volume; amount of liquid and fill ratio according to level.
CalculateCompressed Air, Gas & Electric
Compressed air leakage cost, natural gas Sm³ / Nm³ conversion, three-phase power and current, compensation (power factor correction) calculations.
Compressed Air Leakage Cost Calculation
Air leakage flow rate according to hole diameter and pressure, lost power and annual cost.
CalculateNatural Gas Sm³ / Nm³ Conversion Calculation
It converts the measured gas flow rate to Sm³ and Nm³ with pressure and temperature correction.
CalculateThree-Phase Power and Current Calculation
kW/kVA/kVAr with voltage, current and cos φ; or line current from power.
CalculateCompensation (Power Factor Correction) Calculation
Capacitor power (kVAr) and current reduction required to correct cos φ.
CalculateMetal Weight Calculation
Weights of sheet metal, pipe, box section, flat bar, angle bar, square, round, hexagonal, T- and U-sections and HEA, HEB, HEM, IPE, NPI, NPU, UPE, HD, HL and HP standard steel sections; for steel, stainless steel, aluminum, copper, and other metals.
Sheet Weight Calculation
Piece, total and m² weight of sheet metal from thickness, width and length.
CalculatePipe Weight Calculation
Pipe meter weight and total weight from outer diameter and wall thickness.
CalculateBox Profile Weight Calculation
Weight per meter and total weight of square and rectangular box profiles (EN 10219 / EN 10210).
CalculateFlat Bar Weight Calculation
Weight per meter and total weight of a flat bar from width and thickness.
CalculateAngle Weight Calculation
Weight per meter and total weight of equal and unequal-leg angles.
CalculateSquare Iron Weight Calculation
Weight per meter and total weight of solid square bar from the side length.
CalculateRound Iron (Shaft) Weight Calculation
Weight per meter and total weight of solid round bar and shaft from the diameter.
CalculateHexagonal Material Weight Calculation
Meter and total weight of hexagonal rod from the across-flats size.
CalculateT Profile Weight Calculation
Weight per meter and total weight of the T-section from height, width and thickness.
CalculateU Profile Weight Calculation
Weight per meter and total weight of the U profile from web height, flange width and thickness.
CalculateHEA Profile Weight Chart and Calculation
HEA 100–1000 weight per meter, dimensions and total weight calculation.
CalculateHEB Profile Weight Chart and Calculation
HEB 100–1000 weight per meter, dimensions and total weight calculation.
CalculateHEM Profile Weight Chart and Calculation
HEM 100–1000 weight per meter, dimensions and total weight calculation.
CalculateIPE Profile Weight Chart and Calculation
IPE 80–750 meter weight, dimensions and total weight calculation.
CalculateNPI (IPN) Profile Weight Chart and Calculation
NPI (IPN) 80–600 weight per meter, dimensions and total weight calculation.
CalculateNPU (UPN) Profile Weight Chart and Calculation
NPU (UPN) 50–400 weight per meter, dimensions and total weight calculation.
CalculateUPE Profile Weight Table and Calculation
UPE 80–400 weight per meter, dimensions and total weight calculation.
CalculateHD, HL, HP and HEAA Profile Weight Chart
HD, HL, HP, HEAA and HE special profiles: meter weight and total weight.
CalculateUnit Converter
Instantly convert units of pressure, temperature, power, heat, energy, and flow rate: bar, psi, MPa, kW, kcal/h, BTU/h, kWh, m³/h, and more.
Pressure Unit Converter (bar, psi, MPa, kg/cm²)
bar, MPa, kPa, kg/cm² and psi; gauge and absolute pressure conversion.
CalculateTemperature Unit Converter (°C, K, °F)
Instant conversion between Celsius, Kelvin, and Fahrenheit.
CalculatePower and Heat Unit Converter (kW, kcal/h, BTU/h)
kW, MW, kcal/h, BTU/h, HP, and boiler horsepower conversion.
CalculateEnergy Unit Converter (kWh, kcal, MJ, BTU)
kWh, kcal, MJ, GJ, BTU, therm and TEP conversion.
CalculateFlow Unit Converter (m³/h, L/s, gpm)
m³/h, L/s, L/min, m³/s and US gpm conversion.
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Why you can rely on these tools
- Steam and water properties are calculated with the international IAPWS-IF97 standard and verified against its official test values.
- Section and pipe weights are checked against EN 10219, EN 10210 and EN 10220 tables; emissions use IPCC 2006 factors.
- Your calculations are stored only in your own browser; share any result as a link or print it.
- The tools are prepared by the engineering team of Çiftel Kazan, an industrial steam boiler manufacturer since 1986.
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