Revenue vs costs
Two lines over twelve months, and the gap between them.
One line is a trend; two lines are a business. The widening gap from June is the only part of this chart anyone needs to read.
Open in the editorLine graph
Track how one or more series evolve over time and spot trends at a glance.
In-depth guides
Line Graph Maker with AI EditingMake a line graph online from your data. Multiple series, CSV import, AI chat styling and free SVG or PNG export with no watermark on paid plans.Line chart vs area chartThe same series drawn as a line and as a filled area. Fill it only when the area under the curve means something real.Stacked area vs multiple linesThe same three series stacked and as separate lines. Stack when the total matters; separate them when each series has to be readable on its own.
8 line graph examples
Daily and weekly actives
Two engagement cohorts climbing month over month.
Plotting DAU under WAU makes the stickiness ratio visible without computing it: the closer the lines, the more people come back daily.
Open in the editorChurn rate after a fix
Monthly churn trending down once onboarding changed.
A single metric over time, with the shipping month sitting exactly where the slope changes. That is what a line chart is for.
Open in the editorSessions vs last year
This year's traffic laid over last year's.
Seasonality only looks like a problem until you draw last year underneath it. The August dip is the calendar, not the campaign.
Open in the editorTemperature by year
Average monthly temperature, two decades apart.
Scientific time series are the oldest use of the line chart. Two decades on the same axis is an argument no table makes as fast.
Open in the editorConversion rate by release
Checkout conversion after each release.
Rates belong on their own axis. Alone on a line chart, a move from 2.1% to 3.8% looks like what it is — an eighty percent improvement.
Open in the editorTickets vs headcount
Support volume against the team serving it.
Two lines that should stay parallel. When ticket volume pulls away from headcount, the queue is about to become a problem.
Open in the editorShare price
Daily close over six months, with the index behind it.
Financial charts are line charts for a reason: a continuous quantity sampled at even intervals, where the shape between the points is real.
Open in the editor