What range and interval values can I use?

Start and end can be any integers or decimals (e.g. -10 to 10, or 0 to 1 with 0.1 intervals). The interval must be a positive number. The tool caps at 200 ticks to keep the image readable.

How do I add labeled points?

Type comma-separated numbers in the Points field (e.g. 2, 5, -3). Each point gets a dot above the number line with its value shown. Points outside the range are ignored.

Can I print the number line?

Yes. Click Download SVG to save the file, then open it in any browser or viewer and print. The SVG is sized for a standard A4/Letter landscape page.

Does the tool support fractions or decimals?

Decimal values are fully supported for start, end, interval, and labeled points. Enter decimals like 0.5 or -1.25 and the tool handles them correctly.

Why is my number line empty?

The end value must be greater than the start, the interval must be positive, and the tick count must stay under 200. An error message will guide you if a value is out of range.

Number Line Generator

Name: Number Line Generator
Availability: InStock
Author: Nham Vu

Set a start, end, and interval to generate a printable SVG number line — optionally mark labeled points for classroom lessons.

Configure Number Line

Start

End

Interval (tick spacing)

Labeled points (comma-separated, optional)

Show labels every tick(s)

Preview

Tips

Use interval 0.5 and range 0–5 to teach halves and decimals.
Set label every 2 to show every other tick label and reduce clutter.
Negative range -10 to 10 with interval 1 is classic for integer lessons.
Add labeled points to highlight answers for homework answer keys.

Summary

Set a start, end, and interval to generate a printable SVG number line — optionally mark labeled points for classroom lessons.

How it works

Enter the start and end values for your number line.
Set the interval (tick spacing) between numbers.
Optionally add labeled points by typing comma-separated values.
The SVG number line updates instantly as you type.
Click Download SVG to save, or use your browser's Print to get a paper copy.

Use cases

Create number lines for elementary and middle school math worksheets.
Mark fractions, decimals, or integers for classroom display.
Illustrate inequalities and ranges for algebra lessons.
Generate custom number lines for standardized test prep.
Show negative and positive integers for introduction to integers.
Visualize skip-counting sequences for early arithmetic.

Frequently Asked Questions

Last updated: 2026-07-01 · Reviewed by Nham Vu