About StudyPlanner Pro

Your Research Planning Companion

StudyPlanner Pro is a comprehensive suite of statistical calculators and planning tools designed for researchers, graduate students, and grant writers. We help you design better studies and analyze your data with confidence.

Our tools combine rigorous statistical methods with user-friendly interfaces, making complex calculations accessible to researchers at all levels.

Who We Serve

Graduate Students & Researchers

Planning your thesis or dissertation? Our sample size and power analysis tools help you design studies that are adequately powered to detect meaningful effects.

Grant Writers

Need to justify your sample size in a grant proposal? Export formatted justifications with our calculators that reviewers will understand and respect.

Data Analysts

Quickly analyze relationships in your data with our regression, correlation, chi-square, and ANOVA calculators. All with clear interpretations and APA-style reporting.

What Makes Us Different

✓Comprehensive Coverage: Both planning tools (before data collection) and analysis tools (after data collection) in one place
✓Educational Focus: Every calculator includes interpretations and guidance on when to use each method
✓Privacy First: All calculations happen in your browser. We don't collect or store your data
✓Share & Collaborate: Share your calculations with colleagues via URL parameters
✓APA-Ready Results: Copy results formatted for publication or grant proposals

Our Tools

Planning Tools

• Sample Size Calculator
• Power Analysis
• Confidence Interval Planner
• Effect Size Calculator

Analysis Tools

• Linear Regression
• Correlation (Pearson & Spearman)
• Chi-Square Test
• ANOVA (One-Way)

Need More Tools?

Check out our partner tools for additional research and productivity resources:

Explore Partner Tools →