Calculators · Gutenberg
Fuel Calculator block for WordPress
Calculate road trip fuel costs, consumption, and CO₂ emissions. Supports MPG, L/100km, and km/L efficiency units with round-trip and cost-per-person options.
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
Calculate road trip fuel costs, consumption, and CO₂ emissions. Supports MPG, L/100km, and km/L efficiency units with round-trip and cost-per-person options.
Inspector panels on this block: Header, Calculator Defaults, Display Options, Sizing. Those titles come from index.js, not from a shared template.
Behavior controls: “Fuel Unit System” options: MPG (US), L/100km, km/L.
Where to find it
Gutenberg inserter → Calculators → search “Fuel Calculator” (block name `blockenberg/fuel-calculator` in block.json). Style it in the sidebar after insert.
How to use Fuel Calculator block for WordPress
- Install Blockenberg. Install from WordPress.org and activate the plugin.
- Insert the block. Edit a page, click +, search for “Fuel Calculator”, insert it. Category: Calculators.
- Configure inspector controls that exist on this block. Open Header. Set “Show Title”, “Header — Title”, “Show Subtitle”, “Subtitle”.
- Check the published page. The view script reads HTML data attributes: data-opts. 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`. |
| Header — Title | Text field in the inspector. block.json default: Fuel Cost 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: Estimate your road trip fuel costs and emissions.. Saved as `subtitle`. |
| Fuel Unit System | Select control; the chosen value is saved on the block. Options: MPG (US); L/100km; km/L. block.json default: mpg. Saved as `unit`. |
| Currency Symbol | Text field in the inspector. block.json default: $. Saved as `currency`. |
| Default Distance | Text field in the inspector. |
| Default Fuel Efficiency | Text field in the inspector. |
| Default Fuel Price | Text field in the inspector. |
| Default Passengers | Text field in the inspector. |
| Show Round-Trip Cost | On/off toggle in the inspector. On by default. Saved as `showRoundTrip`. |
| Show Cost Per Person | On/off toggle in the inspector. On by default. Saved as `showPerPerson`. |
| Show Fuel Used (L / gal) | On/off toggle in the inspector. On by default. Saved as `showLitres`. |
| Show CO₂ Emissions | On/off toggle in the inspector. On by default. Saved as `showCO2`. |
| Accent | Color control in the inspector. block.json default: #6c3fb5. Saved as `accentColor`. |
| Card Background | Color control in the inspector. block.json default: #ffffff. Saved as `cardBg`. |
| Result Box BG | Color control in the inspector. block.json default: #f5f3ff. Saved as `resultBg`. |
| Result Box Border | Color control in the inspector. block.json default: #ede9fe. Saved as `resultBorder`. |
| Total Cost Color | Color control in the inspector. block.json default: #6c3fb5. Saved as `totalColor`. |
| Stat Card BG | Color control in the inspector. block.json default: #f9fafb. Saved as `statCardBg`. |
| CO₂ Color | Color control in the inspector. block.json default: #10b981. Saved as `co2Color`. |
| Title Color | Color control in the inspector. block.json default: #1e1b4b. Saved as `titleColor`. |
| Subtitle Color | Color control in the inspector. block.json default: #6b7280. Saved as `subtitleColor`. |
| Label Color | Color control in the inspector. block.json default: #374151. Saved as `labelColor`. |
| Section Background | Color control in the inspector. Saved as `sectionBg`. |
| Card Radius (px) | Numeric range control in the inspector. Range 0–32. block.json default: 16. Saved as `cardRadius`. |
| Input Radius (px) | Numeric range control in the inspector. Range 0–20. block.json default: 8. Saved as `inputRadius`. |
| Max Width (px) | Numeric range control in the inspector. Range 320–960. block.json default: 620. 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.
- JavaScript functions that perform the math: calcFuel.
When this is the right block
- Calculate road trip fuel costs, consumption, and CO₂ emissions. Supports MPG, L/100km, and km/L efficiency units with round-trip and cost-per-person options — that is the job of Fuel 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 fuel, gas, trip.
- 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 Fuel Calculator block in WordPress?
Install Blockenberg from WordPress.org, edit a page in the block editor, click +, and search for “Fuel Calculator”. It sits under Calculators. After insert, open Header and set “Show Title”, “Header — Title”, “Show Subtitle”, “Subtitle”.
Does Fuel 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 Fuel Calculator Gutenberg block free?
Yes. Fuel Calculator ships inside Blockenberg. Get the plugin from WordPress.org — no paid add-on is required for this block.
Can I style Fuel 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: Header, Calculator Defaults, Display Options, Sizing).
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Get Blockenberg
Install Blockenberg from WordPress.org, then insert Fuel Calculator from the Gutenberg inserter.