Vegan Footprint Calculator By being vegan for a day, you can save: 1 animal life 1,100 gallons of water 45 pounds of grain 30 square feet of forest 20 pounds
Kaya Identity Calculator The Kaya Identity: F = P × (G/P) × (E/G) × (F/E) Where: F = CO₂ emissions (metric tons) P = Population G = GDP (in $)
Christmas Tree Footprint Calculator Tree Type: Natural Tree Book Tree Artificial Tree Tree Size: Small (1.2m / 4ft) Medium (2.1m / 7ft) Large (3m / 10ft) Driving to pick up:
Bag Footprint Calculator Compare the environmental impact of different bag types What type of bag do you use? Plastic bag Paper bag Reusable plastic bag Cotton / material bag How
Carrying Capacity Calculator Calculate the carrying capacity (K) using the logistic growth model Current Population (N): Intrinsic Rate of Growth (r): Change in Population (dN/dt or Cp): Calculate Reset Results:
Medication Reconstitution Calculator Calculate dose volume, drug dose, or reconstitution concentration Calculate Dose Volume Calculate Dose Calculate Concentration dose volume = dose / reconstitution concentration Dose i mg g mcg
Saponification Value Calculator Calculate the saponification value (SV) of oils and fats SV = (Blank - Sample) × Molarity × 56.1 / Weight HCl for blank (B) i mL HCl
Solution Dilution Calculator Calculate how to dilute a stock solution to a desired concentration using the formula: C₁V₁ = C₂V₂ Initial Concentration (C₁): M mM μM nM g/L mg/L %
Water Hardness Calculator Calculate water hardness based on calcium and magnesium content. 💧 Hardness = 2.497 × Ca + 4.118 × Mg Calcium content: mg/L ppm mmol/L Calcium ion (Ca²⁺)
Percentage Concentration ↔ Molarity Calculator 💡 Convert between percentage concentration and molarity with ease! Percentage → Molarity Molarity → Percentage Solution: Custom substance Water (H₂O) - 18.02 g/mol Sodium Chloride