How to add size chart popup to Shopify product pages without app

by Kiet Huynh · December 16, 2019

If you sell clothing items that require customers to know their size before they make a purchase, you can add a custom size chart to your product page.

All products that require reference to the size chart must have a Size option:

Follow the below steps to know how to add a size chart to Shopify product pages without app.

Step 1: Creating a size chart page

From your Shopify admin, go to Online Store > Pages.
Click Add page.
Enter Size chart for the page title:
In the Content box, create a table that contains your size chart information. Customize the table to look the way you want it to:
In the Visibility section, make sure the page is set to Visible.
Click Save.

Step 2: Adding the size chart to your theme

From your Shopify admin, go to Online Store > Themes.
Find the theme you want to edit, and then click Actions > Edit code.
In the Sections directory, click to open your product-template.liquid file.
Add a Size chart button by pasting the following code above the Add to cart button:
{% if product.options contains 'Size' %} <a class="btn size-chart-open-popup" href="#size-chart">See size chart</a> {% endif %}
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{% if product.options contains 'Size' %}
<a class="btn size-chart-open-popup" href="#size-chart">See size chart</a>
{% endif %}

Add the following code to the bottom of the product-template.liquid file:

<div id="size-chart" class="mfp-hide">
{{ pages.size-chart.content }}
</div>
<style>
#size-chart {
  border: 2px #555 solid;
  background-color: #ffffff;
  padding: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
</style>

</div>

<style>

#size-chart {

border: 2px #555 solid;

background-color: #ffffff;

padding: 20px;

max-width: 800px;

margin-left: auto;

margin-right: auto;

}

</style>

Click Save.
In the Assets directory, click theme.js. Add the following code to the bottom of the file:
$('.size-chart-open-popup').magnificPopup({ type:'inline', midClick: true });
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$('.size-chart-open-popup').magnificPopup({
type:'inline',
midClick: true
});
Click Save.

Step 3: Adding Magnific Popup jQuery plugin

In the Assets directory, click to open your theme.scss.liquid file, or your timber.scss.liquid file, and add the below CSS code to the bottom.

.mfp-bg {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1042;
  overflow: hidden;
  position: fixed;
  background: #0b0b0b;
  opacity: 0.8;
  filter: alpha(opacity=80); }
.mfp-wrap {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1043;
  position: fixed;
  outline: none !important;
  -webkit-backface-visibility: hidden; }
.mfp-container {
  text-align: center;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  padding: 0 8px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box; }
.mfp-container:before {
  content: '';
  display: inline-block;
  height: 100%;
  vertical-align: middle; }
.mfp-align-top .mfp-container:before {display: none; }
.mfp-content {
  position: relative;
  display: inline-block;
  vertical-align: middle;
  margin: 0 auto;
  text-align: left;
  z-index: 1045; }
.mfp-inline-holder .mfp-content, .mfp-ajax-holder .mfp-content {
  width: 100%;
  cursor: auto; }
.mfp-ajax-cur {
  cursor: progress; }
.mfp-zoom-out-cur, .mfp-zoom-out-cur .mfp-image-holder .mfp-close {
  cursor: -moz-zoom-out;
  cursor: -webkit-zoom-out;
  cursor: zoom-out; }
.mfp-zoom {
  cursor: pointer;
  cursor: -webkit-zoom-in;
  cursor: -moz-zoom-in;
  cursor: zoom-in; }
.mfp-auto-cursor .mfp-content {cursor: auto; }
.mfp-close, .mfp-arrow, .mfp-preloader, .mfp-counter {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none; }
.mfp-loading.mfp-figure {display: none; }
.mfp-hide {display: none !important; }
.mfp-preloader {
  color: #CCC;
  position: absolute;
  top: 50%;
  width: auto;
  text-align: center;
  margin-top: -0.8em;
  left: 8px;
  right: 8px;
  z-index: 1044; }
  .mfp-preloader a {
    color: #CCC; }
    .mfp-preloader a:hover {
      color: #FFF; }
.mfp-s-ready .mfp-preloader {display: none; }
.mfp-s-error .mfp-content {display: none; }
button.mfp-close, button.mfp-arrow {
  overflow: visible;
  cursor: pointer;
  background: transparent;
  border: 0;
  -webkit-appearance: none;
  display: block;
  outline: none;
  padding: 0;
  z-index: 1046;
  -webkit-box-shadow: none;
  box-shadow: none; }
button::-moz-focus-inner {
  padding: 0;
  border: 0; }
.mfp-close {
  width: 44px;
  height: 44px;
  line-height: 44px;
  position: absolute;
  right: 0;
  top: 0;
  text-decoration: none;
  text-align: center;
  opacity: 0.65;
  filter: alpha(opacity=65);
  padding: 0 0 18px 10px;
  color: #FFF;
  font-style: normal;
  font-size: 28px;
  font-family: Arial, Baskerville, monospace; }
  .mfp-close:hover, .mfp-close:focus {
    opacity: 1;
    filter: alpha(opacity=100); }
  .mfp-close:active {
    top: 1px; }
.mfp-close-btn-in .mfp-close {
  color: #333; }
.mfp-image-holder .mfp-close, .mfp-iframe-holder .mfp-close {
  color: #FFF;
  right: -6px;
  text-align: right;
  padding-right: 6px;
  width: 100%; }
.mfp-counter {
  position: absolute;
  top: 0;
  right: 0;
  color: #CCC;
  font-size: 12px;
  line-height: 18px;
  white-space: nowrap; }
.mfp-arrow {
  position: absolute;
  opacity: 0.65;
  filter: alpha(opacity=65);
  margin: 0;
  top: 50%;
  margin-top: -55px;
  padding: 0;
  width: 90px;
  height: 110px;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0); }
  .mfp-arrow:active {
    margin-top: -54px; }
  .mfp-arrow:hover, .mfp-arrow:focus {
    opacity: 1;
    filter: alpha(opacity=100); }
  .mfp-arrow:before, .mfp-arrow:after, .mfp-arrow .mfp-b, .mfp-arrow .mfp-a {
    content: '';
    display: block;
    width: 0;
    height: 0;
    position: absolute;
    left: 0;
    top: 0;
    margin-top: 35px;
    margin-left: 35px;
    border: medium inset transparent; }
  .mfp-arrow:after, .mfp-arrow .mfp-a {
    border-top-width: 13px;
    border-bottom-width: 13px;
    top: 8px; }
  .mfp-arrow:before, .mfp-arrow .mfp-b {
    border-top-width: 21px;
    border-bottom-width: 21px;
    opacity: 0.7; }
.mfp-arrow-left {
  left: 0; }
  .mfp-arrow-left:after, .mfp-arrow-left .mfp-a {
    border-right: 17px solid #FFF;
    margin-left: 31px; }
  .mfp-arrow-left:before, .mfp-arrow-left .mfp-b {
    margin-left: 25px;
    border-right: 27px solid #3F3F3F; }
.mfp-arrow-right {
  right: 0; }
  .mfp-arrow-right:after, .mfp-arrow-right .mfp-a {
    border-left: 17px solid #FFF;
    margin-left: 39px; }
  .mfp-arrow-right:before, .mfp-arrow-right .mfp-b {
    border-left: 27px solid #3F3F3F; }
.mfp-iframe-holder {
  padding-top: 40px;
  padding-bottom: 40px; }
  .mfp-iframe-holder .mfp-content {
    line-height: 0;
    width: 100%;
    max-width: 900px; }
  .mfp-iframe-holder .mfp-close {
    top: -40px; }
.mfp-iframe-scaler {
  width: 100%;
  height: 0;
  overflow: hidden;
  padding-top: 56.25%; }
  .mfp-iframe-scaler iframe {
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
    background: #000; }
img.mfp-img {
  width: auto;
  max-width: 100%;
  height: auto;
  display: block;
  line-height: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 40px 0 40px;
  margin: 0 auto; }
.mfp-figure {
  line-height: 0; }
  .mfp-figure:after {
    content: '';
    position: absolute;
    left: 0;
    top: 40px;
    bottom: 40px;
    display: block;
    right: 0;
    width: auto;
    height: auto;
    z-index: -1;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
    background: #444; }
  .mfp-figure small {
    color: #BDBDBD;
    display: block;
    font-size: 12px;
    line-height: 14px; }
  .mfp-figure figure {
    margin: 0; }
.mfp-bottom-bar {
  margin-top: -36px;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  cursor: auto; }
.mfp-title {
  text-align: left;
  line-height: 18px;
  color: #F3F3F3;
  word-wrap: break-word;
  padding-right: 36px; }
.mfp-image-holder .mfp-content {  max-width: 100%; }
.mfp-gallery .mfp-image-holder .mfp-figure {cursor: pointer; }
@media screen and (max-width: 800px) and (orientation: landscape), screen and (max-height: 300px) {
  .mfp-img-mobile .mfp-image-holder {
    padding-left: 0;
    padding-right: 0; }
  .mfp-img-mobile img.mfp-img {
    padding: 0; }
  .mfp-img-mobile .mfp-figure:after {
    top: 0;
    bottom: 0; }
  .mfp-img-mobile .mfp-figure small {
    display: inline;
    margin-left: 5px; }
  .mfp-img-mobile .mfp-bottom-bar {
    background: rgba(0, 0, 0, 0.6);
    bottom: 0;
    margin: 0;
    top: auto;
    padding: 3px 5px;
    position: fixed;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box; }
    .mfp-img-mobile .mfp-bottom-bar:empty {
      padding: 0; }
  .mfp-img-mobile .mfp-counter {
    right: 5px;
    top: 3px; }
  .mfp-img-mobile .mfp-close {
    top: 0;
    right: 0;
    width: 35px;
    height: 35px;
    line-height: 35px;
    background: rgba(0, 0, 0, 0.6);
    position: fixed;
    text-align: center;
    padding: 0; }
 }
@media all and (max-width: 900px) {
  .mfp-arrow {
    -webkit-transform: scale(0.75);
    transform: scale(0.75); }
  .mfp-arrow-left {
    -webkit-transform-origin: 0;
    transform-origin: 0; }
  .mfp-arrow-right {
    -webkit-transform-origin: 100%;
    transform-origin: 100%; }
  .mfp-container {
    padding-left: 6px;
    padding-right: 6px; }
 }
.mfp-ie7 .mfp-img {
  padding: 0; }
.mfp-ie7 .mfp-bottom-bar {
  width: 600px;
  left: 50%;
  margin-left: -300px;
  margin-top: 5px;
  padding-bottom: 5px; }
.mfp-ie7 .mfp-container {
  padding: 0; }
.mfp-ie7 .mfp-content {
  padding-top: 44px; }
.mfp-ie7 .mfp-close {
  top: 0;
  right: 0;
  padding-top: 0; }

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.mfp-bg {

top: 0;

left: 0;

width: 100%;

height: 100%;

z-index: 1042;

overflow: hidden;

position: fixed;

background: #0b0b0b;

opacity: 0.8;

filter: alpha(opacity=80); }

.mfp-wrap {

top: 0;

left: 0;

width: 100%;

height: 100%;

z-index: 1043;

position: fixed;

outline: none !important;

-webkit-backface-visibility: hidden; }

.mfp-container {

text-align: center;

position: absolute;

width: 100%;

height: 100%;

left: 0;

top: 0;

padding: 0 8px;

-webkit-box-sizing: border-box;

-moz-box-sizing: border-box;

box-sizing: border-box; }

.mfp-container:before {

content: '';

display: inline-block;

height: 100%;

vertical-align: middle; }

.mfp-align-top .mfp-container:before {display: none; }

.mfp-content {

position: relative;

display: inline-block;

vertical-align: middle;

margin: 0 auto;

text-align: left;

z-index: 1045; }

.mfp-inline-holder .mfp-content, .mfp-ajax-holder .mfp-content {

width: 100%;

cursor: auto; }

.mfp-ajax-cur {

cursor: progress; }

.mfp-zoom-out-cur, .mfp-zoom-out-cur .mfp-image-holder .mfp-close {

cursor: -moz-zoom-out;

cursor: -webkit-zoom-out;

cursor: zoom-out; }

.mfp-zoom {

cursor: pointer;

cursor: -webkit-zoom-in;

cursor: -moz-zoom-in;

cursor: zoom-in; }

.mfp-auto-cursor .mfp-content {cursor: auto; }

.mfp-close, .mfp-arrow, .mfp-preloader, .mfp-counter {

-webkit-user-select: none;

-moz-user-select: none;

user-select: none; }

.mfp-loading.mfp-figure {display: none; }

.mfp-hide {display: none !important; }

.mfp-preloader {

color: #CCC;

position: absolute;

top: 50%;

width: auto;

text-align: center;

margin-top: -0.8em;

left: 8px;

right: 8px;

z-index: 1044; }

.mfp-preloader a {

color: #CCC; }

.mfp-preloader a:hover {

color: #FFF; }

.mfp-s-ready .mfp-preloader {display: none; }

.mfp-s-error .mfp-content {display: none; }

button.mfp-close, button.mfp-arrow {

overflow: visible;

cursor: pointer;

background: transparent;

border: 0;

-webkit-appearance: none;

display: block;

outline: none;

padding: 0;

z-index: 1046;

-webkit-box-shadow: none;

box-shadow: none; }

button::-moz-focus-inner {

padding: 0;

border: 0; }

.mfp-close {

width: 44px;

height: 44px;

line-height: 44px;

position: absolute;

right: 0;

top: 0;

text-decoration: none;

text-align: center;

opacity: 0.65;

filter: alpha(opacity=65);

padding: 0 0 18px 10px;

color: #FFF;

font-style: normal;

font-size: 28px;

font-family: Arial, Baskerville, monospace; }

.mfp-close:hover, .mfp-close:focus {

opacity: 1;

filter: alpha(opacity=100); }

.mfp-close:active {

top: 1px; }

.mfp-close-btn-in .mfp-close {

color: #333; }

.mfp-image-holder .mfp-close, .mfp-iframe-holder .mfp-close {

color: #FFF;

right: -6px;

text-align: right;

padding-right: 6px;

width: 100%; }

.mfp-counter {

position: absolute;

top: 0;

right: 0;

color: #CCC;

font-size: 12px;

line-height: 18px;

white-space: nowrap; }

.mfp-arrow {

position: absolute;

opacity: 0.65;

filter: alpha(opacity=65);

margin: 0;

top: 50%;

margin-top: -55px;

padding: 0;

width: 90px;

height: 110px;

-webkit-tap-highlight-color: rgba(0, 0, 0, 0); }

.mfp-arrow:active {

margin-top: -54px; }

.mfp-arrow:hover, .mfp-arrow:focus {

opacity: 1;

filter: alpha(opacity=100); }

.mfp-arrow:before, .mfp-arrow:after, .mfp-arrow .mfp-b, .mfp-arrow .mfp-a {

content: '';

display: block;

width: 0;

height: 0;

position: absolute;

left: 0;

top: 0;

margin-top: 35px;

margin-left: 35px;

border: medium inset transparent; }

.mfp-arrow:after, .mfp-arrow .mfp-a {

border-top-width: 13px;

border-bottom-width: 13px;

top: 8px; }

.mfp-arrow:before, .mfp-arrow .mfp-b {

border-top-width: 21px;

border-bottom-width: 21px;

opacity: 0.7; }

.mfp-arrow-left {

left: 0; }

.mfp-arrow-left:after, .mfp-arrow-left .mfp-a {

border-right: 17px solid #FFF;

margin-left: 31px; }

.mfp-arrow-left:before, .mfp-arrow-left .mfp-b {

margin-left: 25px;

border-right: 27px solid #3F3F3F; }

.mfp-arrow-right {

right: 0; }

.mfp-arrow-right:after, .mfp-arrow-right .mfp-a {

border-left: 17px solid #FFF;

margin-left: 39px; }

.mfp-arrow-right:before, .mfp-arrow-right .mfp-b {

border-left: 27px solid #3F3F3F; }

.mfp-iframe-holder {

padding-top: 40px;

padding-bottom: 40px; }

.mfp-iframe-holder .mfp-content {

line-height: 0;

width: 100%;

max-width: 900px; }

.mfp-iframe-holder .mfp-close {

top: -40px; }

.mfp-iframe-scaler {

width: 100%;

height: 0;

overflow: hidden;

padding-top: 56.25%; }

.mfp-iframe-scaler iframe {

position: absolute;

display: block;

top: 0;

left: 0;

width: 100%;

height: 100%;

box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);

background: #000; }

img.mfp-img {

width: auto;

max-width: 100%;

height: auto;

display: block;

line-height: 0;

-webkit-box-sizing: border-box;

-moz-box-sizing: border-box;

box-sizing: border-box;

padding: 40px 0 40px;

margin: 0 auto; }

.mfp-figure {

line-height: 0; }

.mfp-figure:after {

content: '';

position: absolute;

left: 0;

top: 40px;

bottom: 40px;

display: block;

right: 0;

width: auto;

height: auto;

z-index: -1;

box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);

background: #444; }

.mfp-figure small {

color: #BDBDBD;

display: block;

font-size: 12px;

line-height: 14px; }

.mfp-figure figure {

margin: 0; }

.mfp-bottom-bar {

margin-top: -36px;

position: absolute;

top: 100%;

left: 0;

width: 100%;

cursor: auto; }

.mfp-title {

text-align: left;

line-height: 18px;

color: #F3F3F3;

word-wrap: break-word;

padding-right: 36px; }

.mfp-image-holder .mfp-content { max-width: 100%; }

.mfp-gallery .mfp-image-holder .mfp-figure {cursor: pointer; }

@media screen and (max-width: 800px) and (orientation: landscape), screen and (max-height: 300px) {

.mfp-img-mobile .mfp-image-holder {

padding-left: 0;

padding-right: 0; }

.mfp-img-mobile img.mfp-img {

padding: 0; }

.mfp-img-mobile .mfp-figure:after {

top: 0;

bottom: 0; }

.mfp-img-mobile .mfp-figure small {

display: inline;

margin-left: 5px; }

.mfp-img-mobile .mfp-bottom-bar {

background: rgba(0, 0, 0, 0.6);

bottom: 0;

margin: 0;

top: auto;

padding: 3px 5px;

position: fixed;

-webkit-box-sizing: border-box;

-moz-box-sizing: border-box;

box-sizing: border-box; }

.mfp-img-mobile .mfp-bottom-bar:empty {

padding: 0; }

.mfp-img-mobile .mfp-counter {

right: 5px;

top: 3px; }

.mfp-img-mobile .mfp-close {

top: 0;

right: 0;

width: 35px;

height: 35px;

line-height: 35px;

background: rgba(0, 0, 0, 0.6);

position: fixed;

text-align: center;

padding: 0; }

}

@media all and (max-width: 900px) {

.mfp-arrow {

-webkit-transform: scale(0.75);

transform: scale(0.75); }

.mfp-arrow-left {

-webkit-transform-origin: 0;

transform-origin: 0; }

.mfp-arrow-right {

-webkit-transform-origin: 100%;

transform-origin: 100%; }

.mfp-container {

padding-left: 6px;

padding-right: 6px; }

}

.mfp-ie7 .mfp-img {

padding: 0; }

.mfp-ie7 .mfp-bottom-bar {

width: 600px;

left: 50%;

margin-left: -300px;

margin-top: 5px;

padding-bottom: 5px; }

.mfp-ie7 .mfp-container {

padding: 0; }

.mfp-ie7 .mfp-content {

padding-top: 44px; }

.mfp-ie7 .mfp-close {

top: 0;

right: 0;

padding-top: 0; }

Do one of the following:
- If your theme has a vendor.js file in the Assets directory, open the file and add this code to the bottom.
- If your theme does not have a vendor.js file in the Assets directory, place this code just above the $('.size-chart-open-popup').magnificPopup code in your theme.js file.
Click Save.

Source: Shopify

Zia says:
June 14, 2020 at 11:00 AM
Hi, can you please help me where to edit the position so that I can put it on the exact place where I want to.
sid says:
December 29, 2020 at 12:16 PM
Hi,
Thanks for your help. When I click the See size chart nothing comes up! Can you please help? Also can i change the place of the button as it is above the product and the customer might not notice it!
Thanks in advance.

How to add size chart popup to Shopify product pages without app

Step 1: Creating a size chart page

Step 2: Adding the size chart to your theme

Step 3: Adding Magnific Popup jQuery plugin

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How to add size chart popup to Shopify product pages without app

Step 1: Creating a size chart page

Step 2: Adding the size chart to your theme

Step 3: Adding Magnific Popup jQuery plugin

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