Free ecology calculators for carbon footprint, biodiversity, water usage, and more. Understand your environmental impact.
96
Calculators
15
Flagship Tools
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Live Data
Free
To Use
Free Population Ecology Calculator — Model population dynamics with birth, death, immigration, and emigration rates. Understand factors affecting population size.
Free Biodiversity Index Calculator — Calculate Shannon-Wiener and Simpson diversity indices from species abundance data. Quantify ecosystem biodiversity.
Free Shannon-Wiener Index Calculator — Calculate the Shannon diversity index for ecological communities. Compare species diversity across habitats.
Free Simpson's Diversity Index Calculator — Calculate Simpson's diversity index and inverse Simpson index. Measure species dominance and evenness in communities.
Free Species Richness Calculator — Calculate species richness and rarefaction curves. Compare biodiversity across sampling sites with standardized methods.
Free Species Evenness Calculator — Calculate Pielou evenness and species equitability indices. Understand how evenly individuals are distributed among species.
Free Water Footprint Calculator — Calculate your water footprint across direct and indirect water use. Understand your water consumption and conservation opportunities.
Free Ecological Footprint Calculator — Calculate your ecological footprint in global hectares. Compare your resource consumption against Earth's biocapacity.
Free CO2 Emissions Calculator — Calculate CO2 emissions from various sources including transportation, energy, and industrial processes. Track your carbon impact.
Free Carbon Sequestration Calculator — Calculate carbon storage potential of forests, soils, and land use changes. Essential for climate mitigation planning.
Free Tree Carbon Calculator — Calculate carbon storage in trees based on species, diameter, and height. Quantify urban forest carbon benefits.
Free Mortality Rate Calculator — Calculate mortality rates and survival probabilities in populations. Essential for ecological and demographic studies.
Free Birth Rate Calculator — Calculate birth rates, fecundity, and reproductive output in populations. Monitor population growth and reproductive success.
Free Migration Rate Calculator — Calculate migration rates, dispersal distances, and connectivity between populations. Essential for conservation planning.
Free Habitat Size Calculator — Calculate minimum viable habitat area for species conservation. Design protected areas and wildlife corridors.
Free Corridor Width Calculator — Calculate optimal wildlife corridor width for species movement. Design effective habitat connections for conservation.
Free PVA Calculator — Calculate population viability and extinction risk. Assess minimum viable population size for conservation planning.
Free Extinction Risk Calculator — Estimate species extinction probability based on population trends and threats. Support conservation prioritization decisions.
Free Trophic Level Calculator — Calculate trophic position of organisms in food webs. Understand energy flow and feeding relationships in ecosystems.
Free Biomass Pyramid Calculator — Calculate biomass distribution across trophic levels. Visualize energy transfer efficiency through ecosystem compartments.
Free Energy Transfer Calculator — Calculate energy transfer efficiency between trophic levels. Understand the 10% rule and ecosystem productivity.
Free Ecosystem Productivity Calculator — Calculate gross primary production, net primary production, and net ecosystem production. Measure ecosystem health and carbon cycling.
Free Biocapacity Calculator — Calculate biocapacity of land and sea areas. Compare ecological footprint against available biocapacity for sustainability assessment.
Free Earth Overshoot Day Calculator — Calculate Earth Overshoot Day when humanity's resource demand exceeds Earth's annual biocapacity. Track our ecological deficit.
Free Waste Reduction Calculator — Calculate waste generation and reduction potential. Track recycling rates and diversion from landfills for environmental impact.
Free Recycling Calculator — Calculate environmental benefits of recycling. Track materials recycled and CO2 emissions saved through recycling programs.
Free Habitat Fragmentation Calculator — Calculate landscape fragmentation metrics including patch size, edge effects, and connectivity indices.
Free Invasive Species Risk Calculator — Assess invasive species establishment and spread risk. Calculate invasion potential based on species traits and environmental factors.
Free Nesting Success Calculator — Calculate avian nesting success rates using Mayfield method. Estimate daily survival rates and cumulative nest success.
Free Carbon Footprint Calculator — Estimate your carbon footprint from transportation, energy, diet, and lifestyle choices.
Free Water Footprint Calculator — Estimate your water footprint including direct and virtual water usage.
Free Waste Diversion Calculator — Calculate waste diversion rate from recycling, composting, and landfill data.
Free Recycling Savings Calculator — Calculate energy and resource savings from recycling common materials.
Free Compost Calculator — Calculate compost bin size and material ratios for optimal composting conditions.
Free Rainwater Harvesting Calculator — Calculate rainwater collection potential from roof area and rainfall data.
Free Tree Carbon Sequestration Calculator — Calculate CO2 absorption by trees based on species, age, and size.
Free Ecological Footprint Calculator — Determine how many Earths needed to sustain your lifestyle based on consumption.
Free Species Richness — Environmental assessment tool for conservation research and sustainability planning.
Free Shannon Diversity Index — Environmental assessment tool for conservation research and sustainability planning.
Free Simpson Diversity Index — Environmental assessment tool for conservation research and sustainability planning.
Free Pielou Evenness — Environmental assessment tool for conservation research and sustainability planning.
Free Bray-Curtis Dissimilarity — Environmental assessment tool for conservation research and sustainability planning.
Free Jaccard Index — Environmental assessment tool for conservation research and sustainability planning.
Free Sorensen Index — Environmental assessment tool for conservation research and sustainability planning.
Free ACE Index — Environmental assessment tool for conservation research and sustainability planning.
Free Rarefaction Curve — Environmental assessment tool for conservation research and sustainability planning.
Free Species Accumulation — Environmental assessment tool for conservation research and sustainability planning.
Free Rank Abundance — Environmental assessment tool for conservation research and sustainability planning.
Free Dominance Index — Environmental assessment tool for conservation research and sustainability planning.
Free SIMPER Analysis — Environmental assessment tool for conservation research and sustainability planning.
Free NMDS Ordination — Environmental assessment tool for conservation research and sustainability planning.
Free PCA Ecology — Environmental assessment tool for conservation research and sustainability planning.
Free CCA Canonical Correspondence — Environmental assessment tool for conservation research and sustainability planning.
Free Beta Diversity — Environmental assessment tool for conservation research and sustainability planning.
Free Species Area Curve — Environmental assessment tool for conservation research and sustainability planning.
Free Carrying Capacity K — Environmental assessment tool for conservation research and sustainability planning.
Free Lotka-Volterra Competition — Environmental assessment tool for conservation research and sustainability planning.
Free Lotka-Volterra Predator Prey — Environmental assessment tool for conservation research and sustainability planning.
Free r/K Selection — Environmental assessment tool for conservation research and sustainability planning.
Free Life Table — Environmental assessment tool for conservation research and sustainability planning.