When should I use a line chart vs an area chart?

Use a line chart when you want to show trends and comparisons clearly — lines are easier to distinguish when overlapping. Area charts are better when you want to emphasize the volume or magnitude beneath the line, or when showing stacked contributions to a total. If comparing multiple series, line charts are almost always more readable.

Should I use smooth or straight lines?

Use straight lines (linear interpolation) when your data represents discrete measurements and you want to show exact values at each point. Use smooth curves when visualizing continuous phenomena like temperature or growth trends where the data naturally flows between points. Avoid smooth curves with volatile data — they can create misleading shapes between data points.

How many data points should a line chart have?

A line chart works well with as few as 5 data points (showing a basic trend) up to hundreds (for time-series data like daily stock prices). For presentations, 6-20 points per series is ideal. With more points, increase the chart width or remove markers to prevent clutter. For interactive dashboards, more data points work well because users can zoom and hover.

What is a line chart?

A line chart connects individual data points with straight or curved line segments, creating a continuous visual representation of data changing over a sequential dimension — most commonly time. Each point on the line represents a measured value at a specific interval, and the connecting lines make trends, patterns, and rates of change immediately visible. Line charts are particularly powerful because they leverage our natural ability to perceive direction and slope, allowing viewers to grasp whether something is increasing, decreasing, or remaining stable at a glance. They support multiple data series on a single chart, enabling direct visual comparison of trends. From stock price tracking to temperature monitoring, website analytics to scientific measurements, line charts remain one of the most versatile and frequently used chart types in data visualization.

Why use a line chart?

Line charts are indispensable when your data has a natural sequence or progression. Time-series data — monthly revenue, daily temperatures, hourly website traffic — is best visualized with line charts because they reveal trends that tables of numbers cannot. Business analysts use them to track KPIs over time, scientists use them to plot experimental measurements, and financial professionals rely on them for stock and market analysis. Line charts also excel at revealing seasonality, cyclical patterns, and anomalies. When you overlay multiple lines, you can compare how different variables move in relation to each other, uncovering correlations that drive strategic decisions.

What are best practices for creating a line chart?

Expert tips for creating effective line charts: Use smooth curves for data with natural progression; straight lines for precise point-to-point accuracy. Limit to 4-5 lines maximum to keep the chart readable. Use consistent time intervals on the x-axis to avoid distorting trends. Following these guidelines will help your chart communicate data clearly and professionally.

Is this line chart maker free?

Yes! Our line chart maker is completely free to use. Create unlimited line charts, customize them however you like, and export them without any cost or watermarks.

Can I use this line chart for commercial purposes?

Absolutely. Line Charts created with MakeMyGraph are yours to use however you want, including for commercial projects, publications, client work, and marketing materials. No attribution required.

Can I edit my line chart after creating it?

Yes! You can modify your data, colors, labels, and styling at any time before exporting. Your work is saved in your browser, so you can come back and make changes as needed.

Can I customize the line chart with my own brand colors?

Definitely. You have full control over colors, fonts, and styling. Match your brand identity perfectly or choose from our preset color palettes for a polished look.

Do I need to download any software?

No downloads needed. Our line chart maker runs entirely in your browser. Just visit the page and start creating immediately. No installation, no account required.

What formats can I export my line chart in?

You can export your chart as PNG (great for presentations), SVG (perfect for web and scalable graphics), or PDF (ideal for printing and documents).

Is there a watermark on the exported chart?

No watermarks at all. Every chart you create is completely clean and professional, ready to use anywhere without any MakeMyGraph branding unless you want to add it.

Free Line Graph Maker

Need a line graph? Use our free line chart maker to visualize trends and patterns over time. Perfect for tracking growth, comparing multiple datasets, and showing progress—ideal for business reports, analytics dashboards, and presentations.

Plot multiple data series

Smooth or straight line options

Customizable line colors and thickness

Add data point markers

Configure grid lines

Export in multiple formats

Generate Line Chart View All Templates

Loading chart...

Guide

How to Make a Line Graph

With our line chart maker, create any chart as easy as 1, 2, 3.

Add your time series data

Enter your categories (dates/periods) and corresponding values for each data series.

Style your lines

Choose colors for each series, add markers, and configure the chart title and axis labels.

Export and share

Download your line graph as PNG, SVG, or PDF to use anywhere.

Start Creating Now

Key Elements of a Line Chart

X-axis — typically represents time or sequential categories

Y-axis — represents the measured values

Data points — individual measurements plotted at intersections

Connecting lines — show the trend between data points

Multiple series — overlaid lines for comparison

Markers — optional dots at each data point for precision

When to Use a Line Chart

Track website traffic over time

Show revenue growth trends

Compare performance across periods

Visualize stock price movements

Line Chart FAQ

Common questions about creating line charts with MakeMyGraph

Related Templates

Explore other chart templates you might find useful

View All Templates

Area Chart

Emphasize volume and cumulative totals with filled areas.

Basic

Use Template Preview

Multiple Line Chart

Compare trends across multiple data series over time.

Basic

Use Template Preview

Mixed Chart

Combine bars and lines in one visualization.

Advanced

Use Template Preview

Scatter Plot

Plot individual data points to find correlations.

Advanced

Use Template Preview

Stock Price Trend

Track stock price movements over time.

Basic

Use Template Preview

Ready to Create Your Line Chart?

Start with this template and customize it to fit your needs. No sign-up required.

Use This Template Start from Scratch