javascript - Chart Js reduce text size for label on X axis - Stack Overflow

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I'm using Chart.js (/) and it's working fine, but I have too big X labels also with 45 degrees orientation (is auto adjusting). I would like to reduce the size of that text, is it possible to do only for X axis? thanks

I'm using Chart.js (http://www.chartjs/) and it's working fine, but I have too big X labels also with 45 degrees orientation (is auto adjusting). I would like to reduce the size of that text, is it possible to do only for X axis? thanks

• javascript
• chart.js

Share Improve this question Follow asked Jul 13, 2018 at 22:40 Matt VegasMatt Vegas 49311 gold badge66 silver badges1818 bronze badges 1

• You could use labels: fontSize property chartjs/docs/latest/general/fonts.html – Juan Caicedo Commented Jul 13, 2018 at 22:44

Add a ment  | 

2 Answers 2

Sorted by: Reset to default 2

Yes in the ticks.fontSize configuration you can do it only for the x-axis. For example

var ctx = document.getElementById("myChart");
var myChart = new Chart(ctx, {
  type: 'bar',
  data: {
    labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],
    datasets: [{
      label: '# of Votes',
      data: [12, 19, 3, 5, 2, 3],
      backgroundColor: [
        'rgba(255, 99, 132, 0.2)',
        'rgba(54, 162, 235, 0.2)',
        'rgba(255, 206, 86, 0.2)',
        'rgba(75, 192, 192, 0.2)',
        'rgba(153, 102, 255, 0.2)',
        'rgba(255, 159, 64, 0.2)'
      ],
      borderColor: [
        'rgba(255,99,132,1)',
        'rgba(54, 162, 235, 1)',
        'rgba(255, 206, 86, 1)',
        'rgba(75, 192, 192, 1)',
        'rgba(153, 102, 255, 1)',
        'rgba(255, 159, 64, 1)'
      ],
      borderWidth: 1
    }]
  },
  options: {
    scales: {
      yAxes: [{
        ticks: {
          beginAtZero: true
        }
      }],
      xAxes: [{
        ticks: {
          fontSize: 8
        }
      }]
    }
  }
});

<script src="https://cdnjs.cloudflare./ajax/libs/Chart.js/2.7.2/Chart.bundle.min.js"></script>
<canvas id="myChart" width="400" height="400"></canvas>

For version 3.5.1 it's:

options.scales.x.ticks.font.size = $FONT_SIZE

I'm using Chart.js (/) and it's working fine, but I have too big X labels also with 45 degrees orientation (is auto adjusting). I would like to reduce the size of that text, is it possible to do only for X axis? thanks

I'm using Chart.js (http://www.chartjs/) and it's working fine, but I have too big X labels also with 45 degrees orientation (is auto adjusting). I would like to reduce the size of that text, is it possible to do only for X axis? thanks

• javascript
• chart.js

Share Improve this question Follow asked Jul 13, 2018 at 22:40 Matt VegasMatt Vegas 49311 gold badge66 silver badges1818 bronze badges 1

• You could use labels: fontSize property chartjs/docs/latest/general/fonts.html – Juan Caicedo Commented Jul 13, 2018 at 22:44

Add a ment  | 

2 Answers 2

Sorted by: Reset to default 2

Yes in the ticks.fontSize configuration you can do it only for the x-axis. For example

var ctx = document.getElementById("myChart");
var myChart = new Chart(ctx, {
  type: 'bar',
  data: {
    labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],
    datasets: [{
      label: '# of Votes',
      data: [12, 19, 3, 5, 2, 3],
      backgroundColor: [
        'rgba(255, 99, 132, 0.2)',
        'rgba(54, 162, 235, 0.2)',
        'rgba(255, 206, 86, 0.2)',
        'rgba(75, 192, 192, 0.2)',
        'rgba(153, 102, 255, 0.2)',
        'rgba(255, 159, 64, 0.2)'
      ],
      borderColor: [
        'rgba(255,99,132,1)',
        'rgba(54, 162, 235, 1)',
        'rgba(255, 206, 86, 1)',
        'rgba(75, 192, 192, 1)',
        'rgba(153, 102, 255, 1)',
        'rgba(255, 159, 64, 1)'
      ],
      borderWidth: 1
    }]
  },
  options: {
    scales: {
      yAxes: [{
        ticks: {
          beginAtZero: true
        }
      }],
      xAxes: [{
        ticks: {
          fontSize: 8
        }
      }]
    }
  }
});

<script src="https://cdnjs.cloudflare./ajax/libs/Chart.js/2.7.2/Chart.bundle.min.js"></script>
<canvas id="myChart" width="400" height="400"></canvas>

For version 3.5.1 it's:

options.scales.x.ticks.font.size = $FONT_SIZE

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