Skip to content
RK Calculator
Menu

Kiloelectronvolts to Therms Converter

Convert kiloelectronvolts (keV) to therms (100,000 Btu) (thm), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter an amount of energy, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

A number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
The unit you want the answer in. Swap exchanges the two units.
Result
1.51857044347 × 10⁻²⁴ thm
joules (watt-seconds)
1.602176634 × 10⁻¹⁶ J
kilojoules
1.602176634 × 10⁻¹⁹ kJ
megajoules
1.602176634 × 10⁻²² MJ
gigajoules
1.602176634 × 10⁻²⁵ GJ
calories (thermochemical)
3.82929405832 × 10⁻¹⁷ cal
kilocalories (food Calories)
3.82929405832 × 10⁻²⁰ kcal
megacalories
3.82929405832 × 10⁻²³ Mcal
watt-hours
4.45049065 × 10⁻²⁰ Wh
kilowatt-hours
4.45049065 × 10⁻²³ kWh
megawatt-hours
4.45049065 × 10⁻²⁶ MWh
British thermal units (IT)
1.51857044347 × 10⁻¹⁹ Btu
million Btu
1.51857044347 × 10⁻²⁵ MMBtu
quads (10¹⁵ Btu)
1.51857044347 × 10⁻³⁴ quad
electronvolts
1,000 eV
megaelectronvolts
0.001 MeV

1 keV = 1.51857044347 × 10⁻²⁴ thm

Show the working
  1. 1 keV = 1.51857044347e-24 thm
  2. 1 × 1.51857044347e-24 = 1.51857044347e-24 thm

How to convert kiloelectronvolts to therms

1 keV = 1.51857044347 × 10⁻²⁴ thm, so multiply by 1.51857044347 to go from kiloelectronvolts to therms (100,000 Btu). Going the other way, 1 thm = 6.58514067819 × 10²³ keV.

thm = keV × 1.51857044347
keV = thm × 6.58514067819

Worked example:

1 keV = 1.51857044347e-24 thm
5 × 1.51857044347e-24 = 7.59285221736e-24 thm

Kiloelectronvolts to therms table

KiloelectronvoltsTherms
1 keV1.51857044347 × 10⁻²⁴ thm
2 keV3.03714088694 × 10⁻²⁴ thm
3 keV4.55571133041 × 10⁻²⁴ thm
4 keV6.07428177388 × 10⁻²⁴ thm
5 keV7.59285221736 × 10⁻²⁴ thm
6 keV9.11142266083 × 10⁻²⁴ thm
7 keV1.06299931043 × 10⁻²³ thm
8 keV1.21485635478 × 10⁻²³ thm
9 keV1.36671339912 × 10⁻²³ thm
10 keV1.51857044347 × 10⁻²³ thm
15 keV2.27785566521 × 10⁻²³ thm
20 keV3.03714088694 × 10⁻²³ thm
25 keV3.79642610868 × 10⁻²³ thm
30 keV4.55571133041 × 10⁻²³ thm
40 keV6.07428177388 × 10⁻²³ thm
50 keV7.59285221736 × 10⁻²³ thm
75 keV1.1389278326 × 10⁻²² thm
100 keV1.51857044347 × 10⁻²² thm
250 keV3.79642610868 × 10⁻²² thm
500 keV7.59285221736 × 10⁻²² thm
1000 keV1.51857044347 × 10⁻²¹ thm

About the units

Kiloelectronvolts (keV)
Kiloelectronvolts, a specialised unit. Definition: NIST CODATA: elementary charge (exact since the 2019 SI redefinition).
Therms (thm)
Therms (100,000 Btu), a US customary unit. The EC/IT therm; the US therm is 105,480,400 J, 0.02% smaller. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.

Formula version 0.1.0Reviewed