Planet Surface Pressure Calculator Calculate pressure from weight on a planet using gravity from planetary mass and radius. Input Parameters Planet preset EarthMarsVenusMoonJupiterCustom Planet mass (10^24 kg) Planet radius (km) Object mass (kg) Contact area (m²) Example: both feet together…
Calculate Pressure on Submerged Wall Compute hydrostatic pressure, resultant force, and center of pressure for a vertical submerged wall panel. Fluid Type Fresh Water (998 kg/m³)Sea Water (1025 kg/m³)Light Oil (850 kg/m³)Glycerin (1260 kg/m³)Mercury (13534 kg/m³)Custom Density Fluid Density, ρ…
Excel Statistics Calculator Calculate Mean with 95 Confidence Interval in Excel Paste your sample data, calculate the mean, standard deviation, standard error, margin of error, and 95% confidence interval, then visualize the distribution with an interactive chart powered by Chart.js.…
Calculate Pressure on Soil of Concrete Estimate contact pressure under a concrete slab or footing using geometry, concrete density, and applied loads. Results are shown in kPa (kN/m²). Concrete Type Normal-weight concrete (2400 kg/m³)Lightweight concrete (1850 kg/m³)Heavy concrete (2500 kg/m³)Custom…
Tank Side Wall Pressure Calculator Calculate hydrostatic pressure, resultant force, and center of pressure on one vertical side wall of a tank. Unit System SI (m, kg/m³, kPa, kN)Imperial (ft, lb/ft³, psi, lbf) Fluid Type Fresh WaterSeawaterDieselGasolineBrineCustom Density Tank Height…
Retaining Wall Pressure Calculator Calculate lateral earth pressure force, base pressure, and resultant location using Rankine-based coefficients with optional hydrostatic pressure. Unit System Metric (m, kN/m3, kPa, kN/m)Imperial (ft, pcf, psf, lb/ft) Pressure Condition Active (Ka, Rankine)At-Rest (K0, Jaky)Passive (Kp,…
Calculate Pressure on Knee Estimate knee joint pressure using body mass, activity loading, and contact area. Useful for training planning, rehab monitoring, and biomechanics education. Body Weight Weight Unit Kilograms (kg)Pounds (lb) Activity Multiplier (Body Weight Load) Quiet standing (1.0x)Walking,…
Calculate Mean Wind Direction Use a vector-based circular mean calculator to combine wind direction observations correctly. Enter directions in degrees, optionally add weights such as wind speed or observation quality, and generate an instant result with a visual chart. Circular…
Inclined Gate Hydrostatic Pressure Calculator Calculate pressure, resultant force, and center of pressure on a submerged inclined gate using fluid mechanics fundamentals. Fluid Type Freshwater (998 kg/m³)Seawater (1025 kg/m³)Light Oil (850 kg/m³)Mercury (13534 kg/m³)Custom Density Fluid Density, ρ (kg/m³) Gravity,…
Calculate Pressure on Inclinded Gate Calculator Compute hydrostatic force, centroid depth pressure, and center of pressure for a rectangular inclined gate. Output Unit System SI (m, kPa, N)US Customary (ft, psi, lbf) Fluid Type Fresh Water (998 kg/m3)Seawater (1025 kg/m3)Light…