Grouped Data Statistics Calculate Mean Using Class Midpoints Use this interactive calculator to find the arithmetic mean of grouped frequency data by converting each class interval to its midpoint, multiplying by frequency, and dividing the total of f × midpoint…
Pressure From Height and Temperature Calculator Estimate atmospheric pressure using altitude and temperature with a physics-based model and visual pressure profile chart. Height Above Reference Height Unit Meters (m)Feet (ft) Air Temperature Temperature Unit Celsius (°C)Fahrenheit (°F)Kelvin (K) Reference Pressure…
Pressure from Height and Density Calculator Compute hydrostatic pressure instantly with unit conversion, optional atmospheric addition, and a pressure versus depth chart. Fluid preset Custom densityFreshwater (998 kg/m3 at 20 C)Seawater (1025 kg/m3)Glycerin (1260 kg/m3)Gasoline (740 kg/m3)Mercury (13534 kg/m3) Density…
Calculate Pressure from Head Use this professional hydrostatic pressure calculator to convert fluid head into pressure for design, troubleshooting, and field checks. Head Value Head Unit Meters (m)Feet (ft) Fluid Type Fresh Water (998 kg/m³)Seawater (1025 kg/m³)Diesel (850 kg/m³)Brine (1200…
Gas Pressure Calculator Calculate pressure from gas properties using the ideal gas law: P = nRT / V Amount Input Type Moles (mol)Mass (g) Gas Type Air (28.97 g/mol)Nitrogen, N2 (28.0134 g/mol)Oxygen, O2 (31.998 g/mol)Carbon dioxide, CO2 (44.01 g/mol)Helium, He…
Calculate Mean Using Class Midpoints Calculator Enter grouped data intervals and frequencies to calculate the estimated arithmetic mean using class midpoints. This premium calculator automatically finds each midpoint, multiplies frequency by midpoint, totals the values, and visualizes the distribution with…
Pressure From Force Calculator Use the equation P = F / A to calculate pressure quickly with automatic unit conversion and chart visualization. Force Value Force Unit Newton (N)Kilonewton (kN)Pound-force (lbf) Area Value Area Unit Square meter (m²)Square centimeter (cm²)Square…
Pressure from Flow Rate and Head Calculator Estimate static pressure, dynamic pressure, total pressure, and hydraulic power using engineering-grade formulas. Flow Rate m³/sL/sUS gpm Head meters (m)feet (ft) Fluid Density (kg/m³) Pipe Inner Diameter meters (m)millimeters (mm)inches (in) Calculate Pressure…
Pressure From Flow Rate and Area Calculator Estimate velocity, dynamic pressure, hydrostatic pressure, and total pressure using flow rate, cross-sectional area, fluid density, and optional elevation head. Flow Rate m³/sL/sL/minm³/hUS gpm Cross-Sectional Area m²cm²mm²in²ft² Fluid Type Fresh water (20 C,…
Calculate Pressure from Flow Rate (Air) Use this engineering calculator to estimate pressure drop in an air pipe or duct from flow rate, geometry, roughness, and fittings. Air Flow Rate CFMm³/sL/sm³/h Inside Diameter mminm Pipe Length mft Absolute Roughness (micrometers)…