• Nernst Potential Calculator
• Goldman-Hodgkin-Katz Equation Calculator
• Electrochemical Driving Force Calculator
• Temperature Coefficient (Q₁₀) Calculator
• Time Required for Diffusion over a Given Distance

• Mean Arterial Pressure Calculator
• Body Mass Index Calculator

• Michaelis-Menten Equation - Interactive Graph
• Hill Equation - Interactive Graph

• Unit Conversion Calculator

• Random Number Generator
• Random Password Generator

• Google Adsense Revenue Calculator

• Date Calculator/Generator - Holidays, Observances, Celebrations, Historical, National, International, and Other Key Dates
• Custom Date Calculator/Generator

Starting with the solid material

• Molar Solution Concentration Calculator (Molarity)
• Percent Solution Concentration Calculator (w/v %, w/w %, and w/v %) (note)
• Normal Solution Concentration Calculator (Normality)
• Molal Solution Concentration Calculator (Molality)
• Mass per Volume Solution Concentration Calculator (e.g., pg/mL, μg/μL, mg/mL, g/L, etc.)
• Units per Volume Solution Concentration Calculator (e.g., Units/mL)

Dilution calculators for solutions

• Dilution Calculator - Molarity, Percent
• Dilution Calculator - Normality
• Dilution Calculator - Molality
• Dilution Calculator - Parts per Billion (ppb), Parts per Million (ppm), Parts per Thousand (ppt), Parts per Hundred (pph, %)
• Dilution Calculator - Mass per Volume (e.g., pg/mL, μg/μL, mg/mL, g/L, etc.)
• Dilution Calculator - Units per Volume (e.g., Units/mL)
• Dilution Calculator - Cells per Volume (e.g., 10⁶ cells/mL)

Dilution factor calculators for solutions (fold dilution calculators)

• Dilution Factor Calculator - No Unit
• Dilution Factor Calculator - Molarity, Percent
• Dilution Factor Calculator - Normality
• Dilution Factor Calculator - Molality
• Dilution Factor Calculator - Parts per Billion (ppb), Parts per Million (ppm), Parts per Thousand (ppt), Parts per Hundred (pph, %)
• Dilution Factor Calculator - Mass per Volume (e.g., pg/mL, μg/μL, mg/mL, g/L, etc.)
• Dilution Factor Calculator - Units per Volume (e.g., Units/mL, etc.)
• Dilution Factor Calculator - Cells per Volume (e.g., 10⁶ cells/mL, etc.)