convertimate UV dose (radiant exposure)

Joules per square meter to millijoules per square centimeter

Type a value in J/m² to get it in mJ/cm² instantly.

1mJ/cm²

Nothing on our list is smaller: a dose that inactivates most viruses is 5× stronger.

What it means

How strong a dose is that?

Dose = irradiance × time. Germicidal doses are at 254 nm; sunburn references are erythema-weighted, so they do not compare directly with disinfection.

The math

How to convert J/m² to mJ/cm²

To convert joules per square meter to millijoules per square centimeter, multiply by 0.1.

Example: 10 J/m² × 0.1 = 1 mJ/cm².

In the other direction, 1 mJ/cm² = 10 J/m².

Every unit

That dose in every unit

Tables

J/m² to mJ/cm² conversion table

J/m² to mJ/cm² conversion table
J/m²mJ/cm²
1 J/m²0.1 mJ/cm²
5 J/m²0.5 mJ/cm²
10 J/m²1 mJ/cm²
16 J/m²1.6 mJ/cm²
20 J/m²2 mJ/cm²
40 J/m²4 mJ/cm²
60 J/m²6 mJ/cm²
100 J/m²10 mJ/cm²
186 J/m²18.6 mJ/cm²
250 J/m²25 mJ/cm²
500 J/m²50 mJ/cm²
mJ/cm² to J/m² conversion table
mJ/cm² to J/m² conversion table
mJ/cm²J/m²
1 mJ/cm²10 J/m²
5 mJ/cm²50 J/m²
10 mJ/cm²100 J/m²
16 mJ/cm²160 J/m²
20 mJ/cm²200 J/m²
40 mJ/cm²400 J/m²
60 mJ/cm²600 J/m²
100 mJ/cm²1,000 J/m²
186 mJ/cm²1,860 J/m²
250 mJ/cm²2,500 J/m²
500 mJ/cm²5,000 J/m²

Quick answers

Quick answers

How many mJ/cm² is 1 J/m²?
1 J/m² is 0.1 mJ/cm².
How many mJ/cm² is 10 J/m²?
10 J/m² is 1 mJ/cm².

The units

About these units

Joules per square meter (J/m²)

The SI unit.

Millijoules per square centimeter (mJ/cm²)

UV disinfection and curing doses.

Learn more about dose units

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