Kiloelectronvolts (photon energy) to Millielectronvolts (photon energy) Converter

1 kiloelectronvolt (photon energy) (keV) equals 1,000,000 millielectronvolts (photon energy) (meV).

Quick answer

  • 1 kiloelectronvolt (photon energy) = 1,000,000 millielectronvolts (photon energy)
  • 1 millielectronvolt (photon energy) = 0.000001 kiloelectronvolts (photon energy)
  • Formula: meV = keV × 1,000,000

1 kiloelectronvolt (photon energy) = 1,000,000 millielectronvolts (photon energy)

How to convert kiloelectronvolts (photon energy) to millielectronvolts (photon energy)

meV = keV × 1,000,000

To convert kiloelectronvolts (photon energy) to millielectronvolts (photon energy), multiply the number of kiloelectronvolts (photon energy) by 1,000,000.

Example: 4 keV to meV

  1. Start with the value in kiloelectronvolts (photon energy): 4 keV.
  2. Multiply by 1,000,000: 4 × 1,000,000 = 4,000,000.
  3. Result: 4 kiloelectronvolts (photon energy) = 4,000,000 millielectronvolts (photon energy).

Going the other way, 1 millielectronvolt (photon energy) = 0.000001 kiloelectronvolts (photon energy), so to convert millielectronvolts (photon energy) back to kiloelectronvolts (photon energy) you divide by the same number. See millielectronvolts (photon energy) to kiloelectronvolts (photon energy).

Kiloelectronvolts (photon energy) to millielectronvolts (photon energy) conversion table

Kiloelectronvolts (photon energy) (keV)Millielectronvolts (photon energy) (meV)
1 keV 1,000,000 meV
2 keV 2,000,000 meV
3 keV 3,000,000 meV
4 keV 4,000,000 meV
5 keV 5,000,000 meV
6 keV 6,000,000 meV
7 keV 7,000,000 meV
8 keV 8,000,000 meV
9 keV 9,000,000 meV
10 keV 10,000,000 meV
100 keV 100,000,000 meV

What is a kiloelectronvolt (photon energy)?

The kiloelectronvolt (keV) is 1,000 eV, the typical photon energy of X-rays.

More about kiloelectronvolts (photon energy) →

What is a millielectronvolt (photon energy)?

Millielectronvolts describe infrared and terahertz photons and molecular vibrations.

More about millielectronvolts (photon energy) →

Frequently asked questions

How many millielectronvolts (photon energy) are in a kiloelectronvolt (photon energy)?

One kiloelectronvolt (photon energy) is 1,000,000 millielectronvolts (photon energy).

How many kiloelectronvolts (photon energy) are in a millielectronvolt (photon energy)?

One millielectronvolt (photon energy) is 0.000001 kiloelectronvolts (photon energy).

What is the formula to convert kiloelectronvolts (photon energy) to millielectronvolts (photon energy)?

meV = keV × 1,000,000.