Free natural gas calculators

• Natural Gas Pipe Size CalculatorGas pipe diameter from flow, length and local losses: velocity and pressure loss for each DN, using Turkish company rules.
• Natural Gas Pressure Loss CalculatorFriction, local and height loss in a gas pipe section: 21 mbar, steel, copper and PE; code formula and tables.
• Boiler and Appliance Gas Flow CalculatorNatural gas flow (m³/h) from boiler, water heater or appliance power: Hu 8250 kcal/m³ and company efficiency rules.