DENO LED Lighting

LED Strip Parameter Calculator — Voltage, lm/m, W/m | ProCalc

ProCalc Strip Parameters is a free LED strip parameter calculator. Enter system voltage, run length, luminous flux per metre and power per metre once — or pick a real DENO model from the product library and every value is filled automatically from the photoelectric matrix. The page returns total wattage, system current, total lumens and lm/W efficacy instantly, feeds the same values into all nine ProCalc modules, and exports a PDF parameter report.

LED strip parameter calculator — what these four numbers decide

Voltage, run length, luminous flux per metre and power per metre are the four inputs every other LED strip calculation depends on. Total wattage is power per metre multiplied by run length; system current is that wattage divided by system voltage; efficacy is lm/m divided by W/m.

Enter them once on this page and every ProCalc module — voltage drop, wiring layout, IP and environment, dimming and cutting, lux target, dot-free advisor and the spectrum reporter — computes with the same numbers, with no re-entry.

Total wattage, system current and lm/W efficacy

A 14.4 W/m tape over a 5 m run draws 72 W before driver losses; size the power supply at roughly 120 per cent of that so it never sits at full load. The same 72 W draws 6.0 A at 12 V, 3.0 A at 24 V and 1.5 A at 48 V, which is why long architectural runs move to higher system voltages or linear constant-current tape.

Efficacy is luminous flux per metre divided by power per metre: 2667 lm/m at 14.4 W/m is about 185 lm/W. That figure drives the EU energy label class, the running cost and the thermal budget of the aluminium profile.

Load real DENO product parameters instead of guessing

The product library on this page reads every public DENO model together with its measured photoelectric matrix and fills in voltage, maximum run length, lm/m and W/m automatically. Search by ordering code or keyword, pick a model, and the whole ProCalc suite recalculates against the tape the factory actually ships. Any selection can be shared as a link in the form /procalc/params?model=<product-slug>.

ProCalc™ calculator suite · Performance matrix estimator · Full LED strip catalogue

Turn the calculated parameters into a manufactured specification

Once voltage, run length, lm/m and W/m are settled, DENO manufactures to them: bespoke FPCB width, copper weight, LED pitch, cut unit, IP construction and colour target, produced as OEM under your brand or as ODM from your performance brief.

OEM & ODM manufacturing brief

Frequently asked questions

How do I calculate the total wattage of an LED strip?

Multiply the power per metre (W/m) by the run length in metres. A 14.4 W/m tape over 5 m draws 72 W before driver losses; add 20 per cent headroom when sizing the power supply.

How do I calculate LED strip current draw?

Divide total wattage by system voltage. 72 W on a 24 V system draws 3.0 A; the same 72 W on 12 V draws 6.0 A, which is why 24 V and 48 V tape allows longer runs on the same copper.

What is lm/W efficacy and how is it calculated here?

Efficacy is luminous flux per metre divided by power per metre. 2667 lm/m at 14.4 W/m gives about 185 lm/W. ProCalc recalculates it live as you change either value.

Can I load real product parameters instead of typing them?

Yes. The Product Library on this page reads every public DENO product and its photoelectric matrix, then fills voltage, maximum run length, lm/m and W/m for the model you pick.

Do these parameters carry over to the other ProCalc calculators?

Yes. Voltage, length, lm/m and W/m are written into the shared parameter pool, so voltage drop, wiring layout, lux target, dimming, cutting and spectrum modules all compute with the same numbers without re-entry.

Is the LED strip parameter calculator free to use?

The calculator is fully open to guests with no sign-up. An account is only required when you download the PDF parameter report, which is then stored under My Reports.