# C line chart 3

> Conversion rate — dots and a target line

A shadcn/ui block from the [@cnippet](https://ui.cnippet.dev/?utm_source=shadcn.exchange) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/cnippet/c-line-chart-3).

- Page, with a live preview: https://shadcn.exchange/r/cnippet/c-line-chart-3
- Screenshot: https://shadcn.exchange/shot/cnippet/c-line-chart-3/light.png
- Registry item: https://ui.cnippet.dev/r/c-line-chart-3.json
- Categories: line chart
- Listed: 2026-10-27, source last changed 2026-10-27

## Install

```bash
npx shadcn@latest add https://shadcn.exchange/r/cnippet/c-line-chart-3.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- Registry items: `@cnippet/line-chart`, `@cnippet/chart-card`, `@cnippet/chart-utils`

## Files

### `registry/default/chart-variants/c-line-chart-3.tsx`

```tsx
"use client";

import { ReferenceLine } from "recharts";
import { ChartCard } from "@/registry/default/charts/chart-card";
import { LineChart } from "@/registry/default/charts/line-chart";
import { formatPercent } from "@/registry/default/lib/chart-utils";

const TARGET = 0.04;

// Trial-to-paid conversion by week.
const data = [
  { conversion: 0.031, week: "W35" },
  { conversion: 0.034, week: "W36" },
  { conversion: 0.033, week: "W37" },
  { conversion: 0.037, week: "W38" },
  { conversion: 0.039, week: "W39" },
  { conversion: 0.042, week: "W40" },
  { conversion: 0.041, week: "W41" },
  { conversion: 0.045, week: "W42" },
];

const percent = (value: number) => formatPercent(value);

export default function ConversionVsTarget() {
  return (
    <ChartCard
      className="max-w-2xl"
      delta={0.098}
      description="Trial-to-paid conversion, weekly — target 4%"
      title="Conversion rate"
      value={percent(0.045)}
    >
      <LineChart
        categories={["conversion"]}
        className="h-48"
        config={{
          conversion: { color: "var(--chart-2)", label: "Conversion" },
        }}
        data={data}
        index="week"
        showDots
        valueFormatter={percent}
      >
        <ReferenceLine
          label={{
            className: "fill-muted-foreground text-xs",
            position: "insideBottomRight",
            value: "Target",
          }}
          stroke="var(--muted-foreground)"
          strokeDasharray="4 4"
          y={TARGET}
        />
      </LineChart>
    </ChartCard>
  );
}
```