General Engineering Tools Calculators
Interpolation, unit checking, significant figures, and reference tables
Linear Interpolation Calculator
Interpolate y from x using two or more data points with formula y = y₁ + (x-x₁)(y₂-y₁)/(x₂-x₁)
Bilinear Interpolation Calculator
Two-variable interpolation at a point (x,y) from four corner values — used for steam tables and two-variable data
Steam Table Lookup (Pressure)
Pressure-based saturated steam table lookup: enter P_sat → interpolated T_sat, v_f, v_g, h_f, h_fg, h_g, s_f, s_fg, s_g
Refrigerant R-134a Table Calculator
Saturated R-134a property lookup by temperature with interpolation: P_sat, h_f, h_g, s_f, s_g from -40 to 60°C
Unit Consistency Checker
Verify that engineering equations are dimensionally consistent using dropdowns for common physical quantities
Significant Figures Calculator
Count sig figs, round to N significant figures, and apply sig fig rules to addition, subtraction, multiplication, and division
Engineering Notation Calculator
Convert any number to scientific notation, engineering notation (exponent divisible by 3), and SI prefix form
Material Density Lookup
Searchable database of 30+ engineering materials with density in kg/m³, g/cm³, lb/ft³, and lb/in³