| What it does | Free recessed lighting calculator for can light layout and spacing
| Free online calculators for finance, health, dates, and everyday math
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| Stage | Not given
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| Pricing model | Free
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| Pricing | Not given
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| Key features | - 2D layout preview with heatmap and beam coverage visualization
- Customizable room dimensions, ceiling height, and calculation plane
- LED and traditional fixture specifications from manufacturer sources
- Export layouts as PNG image, CSV coordinates, or printed report
- Grid layout presets and custom row/column adjustment
- Calculations run locally in browser with no data sent to server
| - 19 calculators across health, finance, math and everyday categories
- Client-side calculations with no server data transmission
- Transparent formulas and calculation methodology
- Health calculators follow WHO and CDC standards
- Financial tools use standard industry formulas and current IRS tax brackets
- Fully responsive and works on desktop, tablet and smartphone
- No signup required or account creation needed
- Lightweight and fast with no tracking scripts
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| What makes it different | - Source-checked fixture specifications from manufacturer datasheets
- Simplified lumen-method calculation with transparent assumptions and methodology
- All inputs and calculation methods documented with published sources
| - All calculations run entirely in your browser with no data sent to servers
- Transparent formulas so you understand how results are calculated
- Health formulas endorsed by WHO and CDC standards
- Instant results with no loading screens or popups
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 15 | 0 |
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| Referring domains (Majestic) | 2 | 0 |
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CalcDeep