Calculators · Gutenberg
BMI Calculator block for WordPress
Interactive Body Mass Index calculator with metric and imperial units, animated result gauge, weight category indicator, and fully customizable styling.
Get Blockenberg
Free Gutenberg block in Blockenberg. The inspector controls and front-end behavior on this page come from this block’s source, not a shared stub.
What it actually does
Interactive Body Mass Index calculator with metric and imperial units, animated result gauge, weight category indicator, and fully customizable styling.
Inspector panels on this block: Content, Metric Defaults, Imperial Defaults, Display Options, Appearance. Those titles come from index.js, not from a shared template.
Behavior controls: “Default Unit System” options: Metric (kg / cm), Imperial (lbs / ft-in).
Where to find it
Gutenberg inserter → Calculators → search “BMI Calculator” (block name `blockenberg/bmi-calculator` in block.json). Style it in the sidebar after insert.
How to use BMI Calculator block for WordPress
- Install Blockenberg. Install from WordPress.org and activate the plugin.
- Insert the block. Edit a page, click +, search for “BMI Calculator”, insert it. Category: Calculators.
- Configure inspector controls that exist on this block. Open Content. Set “Show Title”, “Content — Title”, “Show Subtitle”, “Subtitle”.
- Check the published page. The view script reads HTML data attributes: data-opts, data-sys. The block editor preview may not run the same view script.
Inspector controls from this block’s code
| Control | What the code does |
|---|---|
| Show Title | On/off toggle in the inspector. On by default. Saved as `showTitle`. |
| Content — Title | Text field in the inspector. block.json default: BMI Calculator. Saved as `title`. |
| Show Subtitle | On/off toggle in the inspector. On by default. Saved as `showSubtitle`. |
| Subtitle | Text field in the inspector. block.json default: Find out if you are at a healthy weight for your height.. Saved as `subtitle`. |
| Default Unit System | Select control; the chosen value is saved on the block. Options: Metric (kg / cm); Imperial (lbs / ft-in). block.json default: metric. Saved as `unitSystem`. |
| Show Unit Toggle | On/off toggle in the inspector. On by default. Saved as `showUnitToggle`. |
| Default Weight (kg) | Numeric range control in the inspector. Range 20–200. block.json default: 70. Saved as `weightDefaultKg`. |
| Default Height (cm) | Numeric range control in the inspector. Range 100–220. block.json default: 170. Saved as `heightDefaultCm`. |
| Default Weight (lbs) | Numeric range control in the inspector. Range 44–440. block.json default: 154. Saved as `weightDefaultLbs`. |
| Default Height (ft) | Numeric range control in the inspector. Range 3–8. block.json default: 5. Saved as `heightDefaultFt`. |
| Default Height (in) | Numeric range control in the inspector. Range 0–11. block.json default: 7. Saved as `heightDefaultIn`. |
| Show Gauge Bar | On/off toggle in the inspector. On by default. Saved as `showGauge`. |
| Show Category Legend | On/off toggle in the inspector. On by default. Saved as `showCategories`. |
| Show Interpretation Text | On/off toggle in the inspector. On by default. Saved as `showInterpretation`. |
| Show Ideal Weight Range | On/off toggle in the inspector. On by default. Saved as `showIdealWeight`. |
| Show Disclaimer | On/off toggle in the inspector. On by default. Saved as `showDisclaimer`. |
| Disclaimer Text | Multiline text field in the inspector. block.json default: This calculator is for informational purposes only and not a substitute for medical advice.. Saved as `disclaimer`. |
| Accent Color | Color control in the inspector. block.json default: #6c3fb5. Saved as `accentColor`. |
| Underweight Color | Color control in the inspector. block.json default: #3b82f6. Saved as `underweightColor`. |
| Normal Color | Color control in the inspector. block.json default: #10b981. Saved as `normalColor`. |
| Overweight Color | Color control in the inspector. block.json default: #f59e0b. Saved as `overweightColor`. |
| Obese Color | Color control in the inspector. block.json default: #ef4444. Saved as `obeseColor`. |
| Card Background | Color control in the inspector. block.json default: #ffffff. Saved as `cardBg`. |
| Result Background | Color control in the inspector. block.json default: #f5f3ff. Saved as `resultBg`. |
| Section Background | Color control in the inspector. Saved as `bgColor`. |
| Card Radius (px) | Numeric range control in the inspector. Range 0–40. block.json default: 16. Saved as `cardRadius`. |
| Button Radius (px) | Numeric range control in the inspector. Range 0–40. block.json default: 8. Saved as `btnRadius`. |
| Max Width (px) | Numeric range control in the inspector. Range 400–1200. block.json default: 680. Saved as `maxWidth`. |
| Padding Top (px) | Numeric range control in the inspector. Range 0–160. block.json default: 60. Saved as `paddingTop`. |
| Padding Bottom (px) | Numeric range control in the inspector. Range 0–160. block.json default: 60. Saved as `paddingBottom`. |
What the front-end script actually does
- The view script reads HTML data attributes: data-opts, data-sys.
- JavaScript functions that perform the math: calcBMI, bmiCategory, bmiPct.
When this is the right block
- Interactive Body Mass Index calculator with metric and imperial units, animated result gauge, weight category indicator, and fully customizable styling — that is the job of BMI Calculator, not a generic content block.
- Use it when you need the editor control labeled “Show Title”, which exists on this block’s inspector.
- It matches pages about bmi, body mass index, calculator.
- The math runs in the visitor’s browser after publish — no extra calculator plugin.
Notes from the implementation
viewScript: this folder’s frontend.js is enqueued on the front end for this block.
FAQ
How do I add the BMI Calculator block in WordPress?
Install Blockenberg from WordPress.org, edit a page in the block editor, click +, and search for “BMI Calculator”. It sits under Calculators. After insert, open Content and set “Show Title”, “Content — Title”, “Show Subtitle”, “Subtitle”.
Does BMI Calculator need a server or extra plugin?
No. After Blockenberg is active, the view script runs in the browser with the values you saved on the block.
Is the BMI Calculator Gutenberg block free?
Yes. BMI Calculator ships inside Blockenberg. Get the plugin from WordPress.org — no paid add-on is required for this block.
Can I style BMI Calculator to match my theme?
Yes. Blockenberg’s shared typography and color panels apply here, plus any block-specific style controls listed on this page (panels: Content, Metric Defaults, Imperial Defaults, Display Options).
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Get Blockenberg
Install Blockenberg from WordPress.org, then insert BMI Calculator from the Gutenberg inserter.