Biology Calculators

Explore 111 Biology topics across laboratory science, genetics, animals, livestock, gardening, crops and trees.

111 tools · 10 sub-topics

Cat calculators

Cat Age Calculator

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Queued for independent formula, source and safety review.

Cat Benadryl Dosage Calculator

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Cat BMI Calculator

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Cat Calorie Calculator

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Cat Chocolate Toxicity Calculator

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Catculator

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Cat Quality of Life Calculator

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Cephalexin For Cats Dosage Calculator

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Fish Oil Dosage Calculator For Cats

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How Big Will My Cat Get Calculator 🐱

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Metacam Dosage Calculator for Cats

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Quiz: Cat Age Calculator

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Dog calculators

Benadryl Dosage Calculator for Dogs

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Cephalexin For Dogs Dosage Calculator

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Cost of Owning a Dog Calculator

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Dog Age Calculator

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Dog BMI Calculator

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Dog Nutrition Calculator

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Dog Chocolate Toxicity Calculator

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Dog Crate Size Calculator

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Dog Food Calculator

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Dog Harness Size Calculator

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Dog Heat Cycle Calculator

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Dog Life Expectancy Calculator

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Metacam Dosage Calculator for Dogs

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Dog Onion Toxicity Calculator

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Dog Quality of Life Calculator

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Dog Raisin Toxicity Calculator

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Dog Size Calculator

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Dog Water Intake Calculator

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Omega-3 For Dogs Calculator

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Quiz: Dog Size Calculator

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Raw Dog Food Calculator

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Tramadol For Dogs Calculator

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Gardening and crops calculators

Acres Per Hour Calculator

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Bulb Spacing Calculator

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CO₂ Grow Room Calculator

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Compost Calculator

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Corn Yield Calculator

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Daily Light Integral Calculator

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Fertilizer Calculator

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GDU Calculator — Growing Degree Units

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Grain Conversion Calculator

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Grass Seed Calculator

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Lawn Mowing Cost Calculator

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Mulch Calculator

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Pine Straw Calculator

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Plant Population Calculator

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Plant Spacing Calculator

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Potting Soil Calculator

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Raised Bed Soil Calculator

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Sod Calculator

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Soil Calculator

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VPD Calculator (Vapor Pressure Deficit)

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Vegetable Seed Calculator

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Vegetable Yield Calculator

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Water Potential Calculator

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Water Soluble Fertilizer Calculator

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Livestock calculators

Animal Mortality Rate Calculator

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Cattle per Acre Calculator

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Feed Conversion Ratio Calculator

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Grain Bin Calculator

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Livestock Fence Cost Calculator

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Other animals calculators

Bird Age Calculator

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Crickets Chirping Thermometer

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Dry Matter Calculator

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Guinea Pig Years to Human Years Calculator

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Hamster Age Calculator

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Horse Weight Calculator

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Rabbit Cage Size Calculator

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Rabbit Color Calculator

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Rat Cage Calculator

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Turtle Tank Size Calculator

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Other calculators

MLVSS Calculator

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Pet Sitter Rates Calculator

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Protein Molecular Weight Calculator

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Wastewater Calculator

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Trees

Basal Area Calculator

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Tree Leaves Calculator

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Tree Age Calculator

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Tree Diameter Calculator

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Tree Height Calculator

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Tree Spacing Calculator

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Queued for independent formula, source and safety review.

Tree Value Calculator

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Queued for independent formula, source and safety review.

animal pregnancy

Cat Pregnancy Calculator

Track a cat (queen)'s pregnancy: enter the days since mating to see how far along she is, how many days remain, and the expected queening window.

Cow Gestation Calculator

Track a cow's pregnancy: enter the days since breeding to see how far along she is, how many days remain, and the expected calving window.

Dog Pregnancy Calculator

Track a dog (bitch)'s pregnancy: enter the days since the first successful mating to see how far along she is, how many days remain, and the expected whelping window.

Goat Gestation Calculator

Track a goat (doe)'s pregnancy: enter the days since breeding to see how far along she is, how many days remain, and the expected kidding window.

Guinea Pig Pregnancy Calculator

Track a guinea pig (sow)'s pregnancy: enter the days since mating to see how far along she is, how many days remain, and the expected birth window.

Mare Gestation Calculator (Horse)

Track a mare's pregnancy: enter the days since the last breeding date to see how far along she is, how many days remain, and the expected foaling window.

Llama Gestation Calculator

Track a llama's pregnancy: enter the days since breeding to see how far along she is, how many days remain, and the expected birth window.

Rabbit Gestation Calculator

Track a rabbit (doe)'s pregnancy: enter the days since mating to see how far along she is, how many days remain, and the expected kindling window.

Sheep Gestation Calculator

Track a ewe's pregnancy: enter the days since breeding to see how far along she is, how many days remain, and the expected lambing window.

Swine Gestation Calculator

Track a sow's pregnancy: enter the days since breeding to see how far along she is, how many days remain, and the expected farrowing window.

genetics

Allele Frequency Calculator

Estimate allele frequencies p and q in a population from observed genotype counts (AA, Aa, aa).

Dihybrid Cross Calculator

Predict offspring ratios for a two-gene cross, assuming the genes assort independently.

DNA Copy Number Calculator

Convert a DNA sample's mass concentration into template copies per microlitre from fragment length.

DNA to mRNA Converter

See what a coding DNA sequence becomes after transcription and translation: mRNA length, codons, amino acids and rough protein mass.

Hardy-Weinberg Equilibrium Calculator

From one allele frequency, see the genotype frequencies a population would show under Hardy-Weinberg equilibrium.

Mutation Frequency Calculator

Express how often a mutant appears in a cell population as a simple frequency and per-million-cells rate.

Punnett Square Calculator (Monohybrid Cross)

Predict offspring genotype and phenotype ratios for a single-gene cross between any two genotypes.

qPCR Efficiency Calculator

Turn the slope of a qPCR standard curve into amplification efficiency and check it against the accepted 90–110% range.

Trihybrid Cross Calculator

Predict offspring ratios for a three-gene cross, assuming independent assortment of all three genes.