## What is Watt cm2?

In some parts of the world, W/cm = Watts per centimeter) W/cm2. This is a value for energy intensity and if the correct UV Radiometer was used; it will accurately describe. the peak output power of a UV Lamp. Intensity can be also expressed in lower levels as mW/cm2 (milliwatts) or even lower as µW/cm2 (micro-watts).

## What is measured in W cm2?

widely used in quantifying diagnostic instrument output and is the one most frequently quoted in biologic effects reports. The units for intensity are watts per centimeter squared (W/cm2) or milliwatts per centimeter squared (mW/cm2). Intensity can therefore be thought of as the spatial concentration of power.

**How do you convert W m2 to cm2?**

» Watt/square meter Conversions: W/m2↔W/cm2 1 W/cm2 = 10000 W/m2.

### What does uW cm2 mean?

Micro-Watts per square centimeter

uW/cm2 = W/m2 / .01 (Micro-Watts per square centimeter = Watts per square meter divided by .01)

### How do you calculate joules from cm2?

The energy density expresses the total amount of energy delivered per unit area, in Joules per square centimeter (J/cm2). The energy is measured in Joules, and is calculated by multiplying the power output of the laser times the amount of time elapsed during the laser treatment.

**What is mW in light?**

The mW/cm2 is the measurement of light intensity coming from the diode. The mW is the measurement of the power needed to run the diode.

## What is µW cm2 nm?

Intensity, measured as microwatts per square centimeter per nanometer (µW/cm2/ nm), is dependent upon the power of the light source and its distance from the infant.

## What is the difference between microwatts and milliwatts?

The power in milliwatts is equal to the microwatts divided by 1,000.

**How can we calculate UV light intensity?**

How to Calculate UV-C Dose on a Surface

- To get accurate dose data you need to start with a UV-C detector.
- UV Dose = UV Intensity (μW/cm² ) x Exposure Time (seconds)
- Exposure time is how long the UV light is ON and delivering UV to a surface.
- This value can be compared to the table below for various microorganisms.

### What does uW m2 mean?

Micro-Watts per square meter

uW/m2 = W/m2 x 1,000,000 (Micro-Watts per square meter = Watts per square meter times one million)

### How do you calculate the energy of a laser?

You can get the Energy (J) by dividing Avg. Power (W) of your Laser with its repetition rate. You can then use Energy and Power to calculate Energy Density = Energy (J)/Area(cm2) and Power Density = Power (W)/Area(cm2).

**What is the difference between joule per second and watt/meter2?**

One joule per second per square meter is equal to 1 watt/meter². Watt/Square Centimeter : The watt per square centimeter is a unit of heat flux density, which is a decimal multiple of the derived unit of watt per square meter. Its symbol is W/cm². One watt per centimeter is equal to 10000 watt/meter².

## What does W/cm² mean?

A watt per square centimeter (W/cm²) is a decimal multiple of the derived unit of heat flux density in the International System of Units SI watt per square meter. By definition, watt per square meter is the rate of heat energy of one watt transferred through the area of one square meter, which is normal to the direction of the heat flux.

## What is the coefficient of W/cm2 to BTU?

W/cm2↔Btu/(s.ft2) 1Btu/(s.ft2) = 1.1356538527057W/cm2 W/cm2↔Btu (th)/(min.ft2) coefficient: 52.86841