Miscellaneous

  • Vegan Footprint Calculator
    Calculate how much CO2 you save by eating vegan. Enter days vegan and daily diet emissions to see your carbon footprint reduction in kg CO2e.
  • Hand Drying Footprint Calculator
    Estimate the annual CO₂ footprint of drying your hands with paper towels versus an electric air dryer. Compare methods and see kg CO₂ per year.
  • Bag Footprint Calculator
    Estimate the carbon footprint of plastic, paper, or cotton shopping bags. Compare CO₂e over reuses and weeks to find the greener choice.
  • Christmas Tree Footprint Calculator
    Compare the carbon footprint of a real vs artificial Christmas tree. Estimate annual kg CO₂e based on disposal method and years of reuse.
  • Cryptocurrency Footprint Calculator
    Estimate the CO₂ carbon footprint of cryptocurrency transactions from transaction count, energy per transaction, and your grid emission factor.
  • Cigarette Butts Cleanup Calculator
    Estimate how many cigarette butts are discarded over time and need cleanup, plus their waste weight and potential water contamination impact.
  • Books vs e-Books Footprint Calculator
    Compare the carbon footprint of printed books versus e-books on an e-reader. Find your break-even point and which option saves more CO₂.
  • Tree Benefits Calculator
    Estimate the annual CO₂ sequestered by your trees. Enter the number of trees and CO₂ absorbed per tree to see total carbon captured per year.
  • CO₂ Breathing Emission Calculator
    Estimate how much CO₂ you exhale by breathing each day and year. Enter breaths per minute and CO₂ per breath to get kg of CO₂ produced.
  • Carrying Capacity Calculator
    Calculate carrying capacity (K) by dividing total available resources by the resource use per individual. Free ecology and population biology tool.
  • Plastic Footprint Calculator
    Estimate your annual plastic footprint in kilograms from bottles, bags, cups, containers, straws and packaging. Free plastic waste calculator.
  • Meat Footprint Calculator
    Calculate the carbon footprint (kg CO₂e) of beef, lamb, pork, chicken or fish. Multiply meat weight by its emission factor instantly.
  • Kaya Identity Calculator
    Estimate total CO₂ emissions with the Kaya identity from population, GDP per capita, energy intensity, and carbon intensity. Free online tool.
  • Flight Carbon Footprint Calculator
    Estimate the CO₂ emissions of your flight by distance, cabin class, passengers and trip type. Free flight carbon footprint calculator with tree-offset estimate.
  • EU to US Shoe Size Calculator
    Convert European (EU) shoe sizes to US sizes for men and women with this quick, easy linear conversion calculator. Get approximate US sizing instantly.
  • Cost per Minute Calculator
    Calculate cost per minute instantly by dividing total cost by total minutes. Also shows cost per hour and per second. Free online rate calculator.
  • Price per Weight Calculator
    Calculate the price per kilogram, gram, pound or ounce. Enter the total price and weight to find unit cost and compare value when shopping.
  • Price Per Unit Calculator
    Calculate price per unit instantly. Divide total price by number of units to compare value and find the best deal when shopping or budgeting.
  • Price Per Square Inch Calculator
    Calculate the price per square inch of any item from its total price and dimensions. Compare unit costs of tiles, screens, panels, and prints fast.
  • Price per Round Calculator
    Calculate the price per round instantly. Enter total price and number of rounds to get cost per round and cost per 100 rounds for easy comparison.
  • Price per Pound Calculator
    Calculate the price per pound from a total price and weight. Compare unit costs instantly and find the best deal when shopping by weight.
  • Price per Ounce Calculator
    Calculate the price per ounce from a total price and weight. Compare unit prices instantly and find the best value when grocery shopping.
  • Price Per Linear Foot Calculator
    Calculate price per linear foot instantly. Divide total price by total length in feet to compare fencing, lumber, molding, fabric and trim costs.
  • Price per Acre Calculator
    Calculate the price per acre of land instantly. Enter the total price and number of acres to find the cost per acre for any property.

Categories