Calculators · Gutenberg
Compound Interest Calculator block for WordPress
Calculate compound interest growth with configurable compounding frequency, monthly contributions, and a year-by-year breakdown.
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 compound interest growth with configurable compounding frequency, monthly contributions, and a year-by-year breakdown.
Inspector panels on this block: Header, Calculator Settings, Sizing & Layout. Those titles come from index.js, not from a shared template.
Behavior controls: “Compound Frequency” options: Annually (1×/year), Semi-annually (2×/yr), Quarterly (4×/yr), Monthly (12×/yr), Daily (365×/yr).
Where to find it
Gutenberg inserter → Calculators → search “Compound Interest Calculator” (block name `blockenberg/compound-interest-calculator` in block.json). Style it in the sidebar after insert.
How to use Compound Interest Calculator block for WordPress
- Install Blockenberg. Install from WordPress.org and activate the plugin.
- Insert the block. Edit a page, click +, search for “Compound Interest Calculator”, insert it. Category: Calculators.
- Configure inspector controls that exist on this block. Open Header. Set “Show Title”, “Show Subtitle”, “Header — Title”, “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`. |
| Show Subtitle | On/off toggle in the inspector. On by default. Saved as `showSubtitle`. |
| Header — Title | Text field in the inspector. block.json default: Compound Interest Calculator. Saved as `title`. |
| Subtitle | Text field in the inspector. block.json default: See how your money grows over time. Saved as `subtitle`. |
| Currency Symbol | Text field in the inspector. block.json default: $. Saved as `currency`. |
| Initial Investment | Text field in the inspector. block.json default: 10000. Saved as `defaultPrincipal`. |
| Monthly Contribution | Text field in the inspector. block.json default: 200. Saved as `defaultMonthly`. |
| Annual Rate (%) | Text field in the inspector. block.json default: 7. Saved as `defaultRate`. |
| Years | Text field in the inspector. block.json default: 20. Saved as `defaultYears`. |
| Compound Frequency | Select control; the chosen value is saved on the block. Options: Annually (1×/year); Semi-annually (2×/yr); Quarterly (4×/yr); Monthly (12×/yr); Daily (365×/yr). block.json default: 12. Saved as `defaultFrequency`. |
| Show Year-by-Year Table | On/off toggle in the inspector. On by default. Saved as `showTable`. |
| Table Rows to Show | Numeric range control in the inspector. Range 5–50. block.json default: 10. Saved as `tableRows`. |
| Card Border Radius | Numeric range control in the inspector. Range 0–40. block.json default: 16. Saved as `cardRadius`. |
| Input Border Radius | Numeric range control in the inspector. Range 0–24. block.json default: 8. Saved as `inputRadius`. |
| Max Width (px) | Numeric range control in the inspector. Range 340–960. block.json default: 580. 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: calcCompound, recalculate.
When this is the right block
- Calculate compound interest growth with configurable compounding frequency, monthly contributions, and a year-by-year breakdown — that is the job of Compound Interest 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 compound interest, investment, 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 Compound Interest Calculator block in WordPress?
Install Blockenberg from WordPress.org, edit a page in the block editor, click +, and search for “Compound Interest Calculator”. It sits under Calculators. After insert, open Header and set “Show Title”, “Show Subtitle”, “Header — Title”, “Subtitle”.
Where do Compound Interest Calculator submissions go?
The published page calls this block’s Blockenberg REST route (see front-end notes). The editor canvas does not send mail unless you preview on the front end.
Is the Compound Interest Calculator Gutenberg block free?
Yes. Compound Interest Calculator ships inside Blockenberg. Get the plugin from WordPress.org — no paid add-on is required for this block.
Can I style Compound Interest 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 Settings, Sizing & Layout).
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Get Blockenberg
Install Blockenberg from WordPress.org, then insert Compound Interest Calculator from the Gutenberg inserter.