Calculators

• Ecology & Climate
  • Home Energy & CO₂ Calculator
  • Ocean Depth Pressure Calculator
  • Plastic Waste Calculator
  • Recycling Payoff Calculator
  • Travel Carbon Footprint Calculator
  • Tree CO₂ Offset & Oxygen Estimator
• Little Home Helpers
  • Air Conditioner Cost & CO₂ Calculator
  • EV vs Gas Car Cost & CO₂ Comparator
  • Heat Pump vs Gas Boiler Savings Calculator
  • Home Battery Backup Runtime Calculator
  • Insulation Payback Calculator
  • Monthly Energy Bill Calculator
  • Power Bank Phone Charges Calculator
  • Shower vs Bath Water Comparator
  • Solar Panel Savings Calculator
• Stay Safe
  • Air Quality & Wildfire Smoke Risk Helper
  • Emergency Go-Bag Checklist Calculator
  • Flashlight Battery Runtime Calculator
  • Rainwater Harvesting Calculator