Estimate your puppy’s adult weight and height from age, size, and breed

Dog Size Calculator (Puppy Size Predictor)

Compute p-values from Z, t, χ², or F test statistics with one- or two-tailed options

P-Value Calculator

Calculate degrees of freedom for t-tests, χ², ANOVA, F, and regression

Degrees of Freedom Calculator

Compute allele and genotype frequencies with χ² comparison

Hardy–Weinberg Calculator

Build Punnett squares (2×2 or 4×4) and get genotype/phenotype probabilities

Punnett Square Calculator

Solve trihybrid Punnett squares and get phenotype/genotype probabilities

Trihybrid Cross Calculator – Punnett Square

Calculate allele frequencies (p, q) with Hardy–Weinberg checks and visuals

Allele Frequency Calculator

Calculate protein MW from FASTA or raw sequence, plus mass↔moles conversion

Protein Molecular Weight Calculator

Estimate concrete volume for slabs, footings, and columns with conversions

Concrete Calculator

Calculate recombination frequency, map distance, gene order, double crossovers, and interference

Genetic Linkage & Map Distance Calculator

Calculate heritability (H², h²), breeder’s equation, and selection response

Heritability & Quantitative Genetics Calculator

Calculate probabilities for normal, binomial, Poisson, t, chi-square, F, and other common distributions

Probability Distribution Calculator

Calculate Pearson’s r, Spearman’s rank correlation, r², regression line, significance, and relationship strength

Correlation Coefficient Calculator

Upload datasets, analyze statistics visually, run hypothesis tests, and interpret results with interactive charts

Statistics & Data Analysis Lab

Perform hypothesis tests with p-values, critical values, effect sizes, and visual step-by-step solutions

Hypothesis Testing Calculator

Calculate hemoglobin oxygen saturation, P50, Hill coefficient, and Bohr effect with step-by-step explanations

Hemoglobin Oxygen Dissociation Calculator

Solve dihybrid genetic crosses with gamete generation, 4×4 Punnett squares, and 9:3:3:1 ratio breakdowns

Dihybrid Cross Calculator

Run chi-square goodness-of-fit and independence tests - with distribution curves and step-by-step solutions

Chi-Square Calculator

Run one-way ANOVA, two-way ANOVA, and Tukey HSD — with F-distribution curves and step-by-step solutions

ANOVA Calculator

Make inheritance predictable - one gene at a time.

Use free genetics calculators for Punnett squares, probabilities, linkage, and Hardy–Weinberg. Predict traits with step-by-step logic.

Genetics Calculators & Simulators | Free Inheritance Tools

Predict traits, analyze crosses, and calculate probabilities. Our genetics tools bring Mendelian ratios and molecular inheritance to life, one gene at a time.

Genetics Calculators & Simulators

General Chemistry

Jules

Study the key concepts of Physics with descriptive videos, questions, and more

Physics

Patrick

General Biology

Jason

Financial Accounting

Brian

Dive deep into Psychology with videos, practice problems, and more.

Psychology

Microeconomics

The first in a two-course sequence introduces the basic structure and functions of the human body

Anatomy & Physiology

Bruce

College Algebra covers algebraic topics and skills necessary to succeed in college-level math

College Algebra

Organic Chemistry

Johnny

Genetics

Kylia

GOB Chemistry

Dive deep into General, Organic, and Biological Chemistry with videos, practice problems, and more.

Intro to Chemistry

Microbiology

Cell Biology

Analytical Chemistry

Study topics incliding trogonometric functions, identities and equations, solutions of triangles, complex numbers, and other topics as time permits

Trigonometry

Callie

Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors

Precalculus

Nick

Learn the toughest concepts covered in Calculus with step-by-step video tutorials and practice problems by world-class tutors

Calculus

Learn the toughest concepts covered in Business Calculus with step-by-step video tutorials and practice problems by world-class tutors

Business Calculus

Learn the toughest concepts covered in Business Statistics with step-by-step video tutorials and practice problems by world-class tutors

Business Statistics

Learn the toughest concepts covered in Statistics with step-by-step video tutorials and practice problems by world-class tutors

Statistics

Biochemistry

Macroeconomics

Dive deep into Personal Health with videos, practice problems, and more.

Personal Health

Dive deep into Nutrition with videos, practice problems, and more.

Nutrition

Dive deep into Medical Terminology with videos, practice problems, and more.

Medical Terminology

Dive deep into Sociology with videos, practice problems, and more.

Sociology

Hannah

Dive deep into Beginning Algebra with videos, practice problems, and more.

Beginning Algebra

Dive deep into Intermediate Algebra with videos, practice problems, and more.

Intermediate Algebra

Dive deep into Beginning & Intermediate Algebra with videos, practice problems, and more.

Beginning & Intermediate Algebra

My Courses

College Courses

Professional Courses

Chemistry

Biology

Math

Social Sciences

Health Sciences

Business

Dive deep into Python with videos and more.

Introduction to Python

Arianne Dee

Agile Project and Product Management

Agile & Product Management

Mariya Breyther

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

Data Analysis - Excel

Chris Sorensen & Ammul Shergill

Getting Started with  and Cryptocurrency

Introduction to Blockchain

George Levy

Learn Enough HTML, CSS and Layout to be Dangerous

HTML, CSS & Layout

Lee Donahoe & Michael Hartl

Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript

Introduction to JavaScript

Michael Hartl

R Programming

Jared P. Lander

Digital Marketing Analytics Beyond Advertising

Digital Marketing

Mike Moran

Project Management

Jeffrey K. Pinto

AI in Marketing

AI for Business

AI-Enabled Programming, Networking, and Cybersecurity: Introduction

Professional course with videos and more.

How LLMs Understand & Generate Human Language

Jumpstart your AI Career

Copilot for Customer Service Specialists

Copilot for Product Managers

Copilot for Human Resources Specialists

Copilot for Executive and Administrative Assistants

Copilot for Marketing Specialists

Copilot for Project Managers

Copilot for Sales Representatives and Account Managers

Copilot for Data Analysts

Copilot for Financial Analysts

Enhance Your Productivity with AI

Generative AI for Agile & Scrum Teams

Generative AI Toolbox

ChatGPT Prompt Engineering Essentials

Generative AI for Marketing Professionals (Video Course)

Copilot with Microsoft Excel: Achieve More with Your AI Assistant (Video)

AI-Enhanced Project Management

AI for Managers

Microsoft Copilot for Marketing Specialists

Microsoft Copilot for Data Analysts

AI Fluency

GenAI for Job Roles

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