Free printable math tools
Free printable graph paper and coordinate-plane PDF generators. Adjustable, fast, and printed at true scale.
Printable graph paper
Coordinate planes, isometric, and log-log paper — adjustable and print-ready.
Printable Coordinate Plane & Four-Quadrant Graph Paper
Free printable coordinate plane PDFs — four-quadrant or single-quadrant, labeled axes, adjustable grid size. Download or print at true scale.
Isometric Graph Paper (Printable PDF)
Free printable isometric graph paper — true 30° triangular grid for 3D sketching and technical drawing. Adjustable spacing, print at exact scale.
Log-Log Graph Paper (Printable PDF)
Free printable log-log graph paper — logarithmic scale on both axes, adjustable decades. Ideal for power-law plots. Print at true scale.
Statistics calculators
Box plots, scatter plots, bell curves, and a grade curve calculator — paste data, get the chart, download it.
Standard deviation calculator
Paste data → mean, median, mode, variance & standard deviation (population and sample), quartiles, and outliers, with the SD steps shown.
Box & whisker plot maker
Paste data → five-number summary, quartiles, and outliers. Download PNG, SVG, PDF, or CSV.
Scatter plot maker
Paste x, y data → scatter with a line of best fit, the equation, R², and r. Download PNG, SVG, PDF, or CSV.
Bell curve generator
Enter a mean and standard deviation → a normal curve with any region shaded, plus the probability and z-score. PNG, SVG, PDF, CSV.
Grade curve calculator
Paste scores → curve by flat bump, top-score-to-100, target average, or bell curve. Before/after table + CSV export.