Inbreeding Coefficient Calculator

Calculate inbreeding coefficients (F) from population size, pedigree, or heterozygosity data.

Input Parameters

Effective Population Size (Ne)

Generations

Initial Inbreeding (F0)

Pedigree Type

Observed Heterozygosity

Expected Heterozygosity

Selfing Rate (0-1)

Wright's F: Ft = 1 - (1 - 1/2Ne)^t

FIS: F = 1 - Ho/He

Inbreeding Assessment

High Inbreeding

0.2000

Inbreeding Coefficient (F)

0.5000%

Rate per Generation

Inbreeding Coefficients

F from Population (Ft)

After 10 generations

0.0489

FIS (from heterozygosity)

1 - Ho/He

0.2000

Pedigree F

No specific pedigree

0.0000

Selfing Equilibrium F

s/(2-s)

0.0000

Inbreeding Depression

Survival Reduction63.21%

Fitness Reduction6.00%

Relatedness (r = 2F)0.0000

Purging PotentialLow

Generations to F=0.5138.3

F Projection Over Time

Gen 0F=0.0000, Het=0.5000

Gen 1F=0.0050, Het=0.4975

Gen 2F=0.0100, Het=0.4950

Gen 3F=0.0149, Het=0.4925

Gen 4F=0.0199, Het=0.4901

Gen 5F=0.0248, Het=0.4876

Gen 6F=0.0296, Het=0.4852

Gen 7F=0.0345, Het=0.4828

Gen 8F=0.0393, Het=0.4803

Gen 9F=0.0441, Het=0.4779

Gen 10F=0.0489, Het=0.4756

Common Pedigree F Values

Selfing:0.500

Full-sib:0.250

Half-sib:0.125

1st cousin:0.0625