Box and Whisker Plot Generator
Visualize data distribution in seconds — no stats degree required.
Turn raw values or summary statistics into a clean, accurate box and whisker plot. Median, quartiles, whiskers, and outliers are calculated and rendered automatically.
Everything a Box Plot Needs — Nothing It Doesn't
Purpose-built controls for statistical distribution charts, so you spend less time configuring and more time analyzing.
Auto-Calculated Statistics
Paste raw values and the generator computes min, Q1, median, Q3, max, and IQR automatically. No spreadsheet formulas needed.
Tukey or Min/Max Whiskers
Choose between the standard Tukey 1.5×IQR method or simple min-to-max whiskers depending on your analysis needs.
Outlier Detection
Outliers are identified and plotted as individual points so anomalies are never hidden inside the box.
Horizontal or Vertical Layout
Switch orientations with one click to match your report layout or make long category names readable.
Mean Marker Overlay
Toggle a mean marker on top of the median line to highlight the difference between mean and median in skewed data.
Custom Colors Per Group
Assign distinct colors to each category so multi-group comparisons are instantly readable at a glance.
Bring Your Data, Any Way You Have It
Paste Raw Values
Enter a list of numbers and the tool auto-calculates every summary statistic for you.
Enter Summary Stats
Already have your min, Q1, median, Q3, and max? Switch to manual mode and plug them in directly.
Multi-Group Comparison
Add multiple categories side-by-side to compare distributions across groups in one chart.
Upload a File (Pro)
Import CSV or Excel files to generate box plots from large datasets without retyping.
Share or Embed Your Box Plot Anywhere
Download as PNG or SVG
Export crisp, high-resolution images ready for reports, slides, and publications.
Share a Link
Copy a direct link to your chart and send it to colleagues or clients instantly.
Embed on Your Site
Drop a single embed snippet into any webpage to display a live, interactive box plot.
Paste Into Docs
Download and insert your box plot into Word, Google Docs, Notion, or any document.
About This Box Plot Generator
MakeCharts is a free online chart maker built for speed and clarity. The box and whisker plot generator handles all statistical calculations automatically, so you can focus on understanding your data. No spreadsheet formulas. No coding. No setup. Just your numbers and a finished chart.
- ✓Auto-calculates Q1, median, Q3, IQR, and Tukey whiskers from raw values
- ✓Supports multi-group comparison with per-category colors and labels
- ✓Offers horizontal and vertical orientations for any layout
- ✓Exports to PNG and SVG with one click
- ✓AI-powered generation — describe your data and get a chart instantly
- ✓Trusted by students, researchers, analysts, and business teams worldwide
Box Plots, Built Fast
From Data to Box Plot in Three Steps
No statistics software. No learning curve. Just your numbers and your story.
Add Your Data
Paste raw numeric values (one per line) or switch to manual mode and enter your own summary statistics. Add as many groups as you need.
Paste 30 student exam scores and the tool calculates Q1, median, Q3, and flags outliers for you.
Customize the Chart
Choose orientation, whisker method, box width, and colors. Toggle the mean marker, grid lines, and axis labels to match your audience.
Switch to horizontal layout and enable the mean marker to show data skew in a salary distribution chart.
Export and Share
Download a high-resolution PNG or SVG, copy a shareable link, or grab the embed code for your website.
Export as SVG for a research paper or embed the live chart directly on your analytics dashboard.
Who Uses Box and Whisker Plot Generators
Box plots are the go-to chart whenever you need to show the full shape of a distribution, not just the average.
Compare Student or Study Group Performance
Teachers and researchers use box plots to compare score distributions across classes, cohorts, or experimental conditions — revealing spread and outliers that averages alone hide.
Visualize Salary, Revenue, or KPI Ranges
Business analysts use box plots to show compensation ranges, revenue variability, and performance metric distributions across teams, regions, or time periods.
Show Measurement Variability and Anomalies
Scientists and engineers use box and whisker plots to communicate process variability, sensor readings, and quality control data with full statistical context.
Present Patient Data and Clinical Outcomes
Healthcare professionals use box plots to summarize biomarker ranges, treatment response variability, and patient cohort statistics in publications and presentations.
Templates
Start with professionally designed templates
Statistics Box Plot Template
Instantly visualize score distributions, detect outliers, and compare groups across subjects with a professionally designed box plot.
Blank Box Plot Template for Data Distribution Analysis
A ready-to-use box plot template that helps you visualize statistical distributions, compare data ranges, and identify outliers across multiple categories.
Box Plot Template — Excel Data Made Visual
Transform your Excel spreadsheet data into clear, professional box plots that reveal distributions, outliers, and quartiles at a glance.
Box and Whisker Plot Template for Data Distribution
Instantly visualize the spread, median, and outliers of your data across multiple categories with this ready-to-edit box plot template.
Morphological Box Template
Compare plant morphological measurements across multiple traits using a statistically rigorous box plot that reveals spread, skewness, and outliers at a glance.
Box Plot Template - Reveal Data Distributions at a Glance
Use this ready-made box plot template to compare distributions, spot outliers, and communicate statistical insights clearly — no coding required.
View All Templates
Browse the full library to find more templates tailored to your chart.
Why Use MakeCharts Instead of Excel or R?
Get the same statistical rigor without the setup, formulas, or code.
Excel / Coding Approach
- ✗Manual quartile formulas prone to errors
- ✗Hours configuring chart formatting
- ✗Requires statistical software knowledge
- ✗Hard to share or embed outputs
- ✗Rebuilding every time data changes
- ✗No AI to help describe or refine the chart
MakeCharts Box Plot Generator
- ✓Paste values — statistics calculated instantly
- ✓Chart styled and labeled in seconds
- ✓No formulas, no code, no setup required
- ✓One-click share link or embed code
- ✓Live preview updates as you edit
- ✓AI interprets your data and builds the chart for you
Frequently Asked Questions
What is a box and whisker plot?
A box and whisker plot (also called a box plot) is a chart that summarizes a dataset's distribution using five key statistics: minimum, first quartile (Q1), median, third quartile (Q3), and maximum. The 'box' spans Q1 to Q3, the line inside the box marks the median, and the 'whiskers' extend to the data's range or to the furthest non-outlier value. Outliers are plotted individually beyond the whiskers.
How do I use the box and whisker plot generator?
Select 'Raw values' mode and paste your numbers one per line — the generator calculates all five summary statistics for you. Alternatively, switch to 'Manual summary statistics' mode and type in your own Q1, median, Q3, min, and max values. Then customize colors, orientation, and labels, and download or share your chart.
Can I compare multiple groups in one box plot?
Yes. Click '+ Add category' to add as many groups as you need. Each group gets its own data input, color selector, and label. All groups are rendered side-by-side on the same chart, making it easy to visually compare distributions across categories.
What whisker method does the generator use?
You can choose between two whisker types: Tukey (1.5 × IQR), which is the standard method used in most statistical software and extends whiskers to the furthest data point within 1.5 times the interquartile range; or Min/Max, which simply extends whiskers to the dataset's minimum and maximum values. Data points beyond the Tukey whiskers are shown as individual outlier dots.
Does the free box plot generator show outliers?
Yes. When using raw value mode with Tukey whiskers, any data point beyond 1.5×IQR from Q1 or Q3 is automatically detected and plotted as an individual point. You can also manually enter outlier values in summary statistics mode. The 'Show outliers' toggle in Display Settings lets you hide them if needed.
Built for Every Analyst, Educator, and Team
- ✓Free to use with no account or software installation required
- ✓Plain-language controls — no statistics background needed to get started
- ✓Supports both beginner-friendly raw input and expert-level manual summary stats
- ✓Works on desktop, tablet, and mobile browsers
- ✓Available in 12+ languages for global teams and classrooms
- ✓Scales from a single dataset to multi-group comparisons in the same chart
Your Data Stays Yours
- •Data you enter is used only to render your chart — it is not stored or sold
- •No account required to create and download a box plot
- •You control what you share via links or embeds
- •Delete your account and all associated data at any time
- •No third-party ad trackers embedded in the chart tool
- •Charts you download are yours to use in any project
Create Your Box and Whisker Plot Now
Paste your data and get a publication-ready box plot in under two minutes — free, no signup.