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Interactive Periodic Table & Element FinderSearch elements by name, symbol, atomic number, or approximate atomic mass, then view atomic data and temperature state estimates.Score 118periodicelementatomicAtomic Weight CalculatorLook up atomic weight and nearest matching elements by approximate atomic mass.Score 84atomicweightelementElement FinderFind an element from its name, symbol, atomic number, or approximate atomic mass.Score 80elementatomicperiodicBMI CalculatorCalculate body mass index using metric or imperial units and view the standard BMI category.Score 68bmiweighthealthAtomic Number LookupFind an element by atomic number and view its symbol, mass, group, period, and category.Score 66atomicperiodicelementHealth CalculatorEstimate adult BMI, baseline energy needs, and a broad daily calorie planning target from height, weight, age, and activity.Score 66healthbmiweightMolecular Weight CalculatorCalculate approximate molecular weight from element masses and atom counts.Score 50weightchemistryatomicSymbol LookupFind full element names and atomic data from element symbols such as K, Fe, or Au.Score 46elementatomicchemistryIdeal Weight CalculatorEstimate ideal body weight using height-based formulas.Score 42weighthealthWeight ConverterConvert kilograms to pounds and ounces.Score 38weightWeighted Grade CalculatorCalculate a weighted course grade from assignments, exams, and projects.Score 38weightWeight CalculatorCalculate weight force from mass and gravity preset.Score 38weightPower-to-Weight Ratio CalculatorCalculate vehicle or system power-to-weight ratio, required power for a target ratio, and maximum weight for the available output.Score 38weightDimensional Weight CalculatorCalculate dimensional shipping weight from package dimensions and divisor.Score 38weightCalorie Deficit CalculatorEstimate weeks needed for a target weight loss from daily calorie deficit.Score 36weighthealthElement State by Temperature CalculatorEstimate whether an element is solid, liquid, or gas at a selected temperature using melting and boiling points.Score 34elementchemistryWater Intake CalculatorEstimate daily water intake from body weight.Score 28weighthealthCalorie CalculatorEstimate daily calories from BMR, activity factor, and goal adjustment.Score 26weighthealthMolarity CalculatorCalculate solution molarity from moles and volume.Score 22chemistrypH CalculatorCalculate pH from hydrogen ion concentration.Score 22chemistry