Global Import Duty & Landed Cost Calculator | HS Code Tax Tool Global Import Duty Calculator Calculate landed costs for international shipments Updated: December 2025 Import Cost Calculator Calculate your total landed cost. Include all duties and taxes. Enter your product details. Our tool estimates import charges. Results are estimates. … Read more
Flow Rate Calculator Calculate fluid flow rate through pipes based on velocity and pipe diameter. This tool helps engineers, plumbers, and HVAC professionals determine the correct flow rate for their systems. Pipe Diameter: inchesmm Fluid Velocity: ft/sm/s Flow Rate Result: GPM (Gallons per Minute)LPM (Liters per Minute)ft³/s (Cubic Feet per … Read more
COP Calculator COP Calculator Heating/Cooling Output (kW): Power Input (kW): Calculate COP COP Calculator (Coefficient of Performance): Understanding and Using It COP Calculator (Coefficient of Performance) – Evaluates system performance. The Coefficient of Performance (COP) is an important concept in heating and cooling systems. It measures how efficiently a system … Read more
Energy Savings Calculator | Calculate Your Electricity Costs Energy Savings Calculator Calculate your electricity costs and discover how much you can save with energy-efficient appliances. Simple, fast, and accurate. Calculate Your Energy Costs Fill in the details below to see your potential savings Select Appliance Light Bulb (10W LED)Light Bulb … Read more
HVAC Power Consumption Calculator Estimate your HVAC system’s energy usage and operating costs. Enter your system details to calculate daily, monthly, and annual power consumption. HVAC System Capacity (Tons): 1 Ton = 12,000 BTU/hr SEER Rating: Typical range: 13-21 (Check your unit’s label) Daily Usage (Hours): Electricity Rate ($/kWh): National … Read more
Amps to Watts Calculator Convert electrical current in amps to power in watts instantly. Simply enter the amps and voltage values to calculate wattage for DC, AC single phase, and AC three phase systems. Current (Amps): Voltage (Volts): Current Type: DCAC Single PhaseAC Three Phase Power Factor (0-1): Typical values: … Read more
Pipe Sizing Calculator Determine the optimal pipe diameter for your fluid flow system. Calculate pipe size based on flow rate, velocity, and fluid properties for both water and other liquids. Flow Rate (GPM): Gallons per minute Desired Velocity (ft/s): Recommended: 2-8 ft/s for water Pipe Material: PVCCopperSteelHDPECustom Custom Inner Diameter … Read more
Pump Head Calculator Calculate the total dynamic head (TDH) required for your pumping system. This tool helps determine the pump head needed based on vertical lift, pipe friction, and system pressure requirements. Static Head (ft): Vertical distance from water source to discharge point Pipe Length (ft): Pipe Diameter (inches): 0.5″0.75″1″1.5″2″3″4″6″ … Read more
Log Mean Temperature Difference (LMTD) Calculator The Log Mean Temperature Difference (LMTD) is used to determine the temperature driving force for heat transfer in heat exchangers. This calculator helps you compute LMTD for both parallel and counter-flow heat exchangers. Hot Fluid Inlet Temperature (Th,in) °C°FK Hot Fluid Outlet Temperature (Th,out) … Read more
Overall Heat Transfer Coefficient (U) Calculator This tool calculates the overall heat transfer coefficient (U-value) for heat exchangers and building materials. The U-value indicates how well heat is transferred through a material or system. Input Parameters Calculation Method: Heat ExchangerBuilding Material Heat Exchanger Parameters Heat Duty (Q): WkWBTU/hr Surface Area … Read more
