Project estimator for backlit stone and panels
LED Light Sheet Calculator
Estimate LED sheet quantity, connected load, 24V power supply capacity, controller zones and the matching JJS product reference.
Power planning: after estimating sheet count and wattage, match the load with the right LED power supplies and send the wiring details through the project quote form.
Project workflow
1. ScopeStone wall, island, sign box or custom panel.
2. SizeEnter dimensions, upload drawing, or use known lit area.
3. SystemSingle color, CCT, RGBW or RGBCCT control logic.
4. EstimateSheets, load, power supply and controller zones.
1Project type
2Size and quantity
No drawing? Enter dimensions directly
- Select the project type first, such as backlit stone wall or kitchen island/bar.
- Enter the visible lit length and width. Thickness/height is optional and only needed when side faces are lit.
- Choose the unit. North American users can enter inches, feet, or mixed values such as 6' 2" or 6-2.
- Set the number of identical panels or islands, then choose the lit face: one flat face, top + front, five faces, or known lit area.
- Select the light type and model, then click Calculate project to see sheet quantity, wattage, power supplies and controller zones.
Required. Use the visible lit length.
Required. Use the visible lit width.
Optional. Needed for island sides or five-face lighting.
Use 2 if the project has two identical islands.
For stone walls use one face. For islands choose side faces if required.
Drawing workflow for designers and contractors
- Select PDF, DWG, DXF, RVT or an image so the drawing name is included in the review note.
- Choose the drawing unit. North American drawings usually use inches or feet; shop drawings from factories often use millimeters.
- If you know the lit sizes, click Add lit area and enter one row for each lit part.
- If the drawing already gives a total lit area for two identical sets, enter the per-set area in Area override and set Number of sets to 2.
- The current upload field attaches the drawing for review. Final CAD/PDF/image dimensions still need engineering confirmation before production.
Supported: PDF, DWG, DXF, DWF/DWFX, RVT, JPG, PNG, WEBP, HEIC, TIFF. Select the drawing for the review note. If you know the lit size, add it below for an instant estimate.
CAD/PDF recognition is staged for engineering review; final production still needs manual confirmation.
Use inches/feet for North American drawings; use millimeters if the drawing is metric.
3Light color and model
Controller and power supply are locked by this choice.
Choose the size that matches cutting and installation.
4Control preference
Single color can use on/off or brightness dimming. CCT, RGBW and RGBCW require matching multi-channel controllers.
Advanced power settings
Model basis used by this calculator
| Light type | Recommended model options | Voltage | Controller logic |
|---|---|---|---|
| Single color | 250x250mm 12W/pc or 490x245mm 28W/pc | 24V | On/off, or PWM dimmer for brightness only |
| Tunable white / CCT | 250x250mm 16W/pc or 490x245mm 40W/pc | 24V | 2-channel CCT controller or DMX decoder |
| RGBW | 490x245mm 48W/pc | 24V | 4-channel RGBW controller or DMX512 decoder |
| RGBCW / RGBCCT | 500x245mm 60W/pc or 490x245mm 50W/pc | 24V | 5-channel RGBCCT controller or DMX512 decoder; pixel effects require engineering review |