Electronvolts to Thermochemical calories

1 eV ≈ 3.829 × 10⁻²⁰ cal. Edit either value to convert instantly.

Value

From

To

1 eV≈cal

≈ 1.60218 × 10⁻¹⁹ J

Decimal places

Conversion formula

cal = eV × (1.602176634 × 10⁻¹⁹) × (125 / 523)

1 eV ≈ 3.82929 × 10⁻²⁰ cal

electronvolt (eV)

Electronvolt is a unit of energy: 1 eV = 1.602176634 × 10⁻¹⁹ J.

Source: BIPM, The International System of Units (SI), 9th edition

thermochemical calorie (cal)

Thermochemical calorie is a unit of energy: 1 cal = 4.184 J. The thermochemical definition is used; 1,000 cal = 1 kcal.

Source: NIST SP 811, Appendix B.9: conversion factors by quantity

Conversion table

eV	cal
	≈ 3.82929 × 10⁻²⁰
	≈ 7.65859 × 10⁻²⁰
	≈ 1.91465 × 10⁻¹⁹
	≈ 3.82929 × 10⁻¹⁹
	≈ 5.74394 × 10⁻¹⁹
	≈ 7.65859 × 10⁻¹⁹
	≈ 9.57324 × 10⁻¹⁹
	≈ 1.14879 × 10⁻¹⁸
	≈ 1.53172 × 10⁻¹⁸
	≈ 1.72318 × 10⁻¹⁸

eV	cal
	≈ 1.91465 × 10⁻¹⁸
	≈ 2.29758 × 10⁻¹⁸
	≈ 2.68051 × 10⁻¹⁸
	≈ 3.06344 × 10⁻¹⁸
	≈ 3.44636 × 10⁻¹⁸
	≈ 3.82929 × 10⁻¹⁸
	≈ 5.74394 × 10⁻¹⁸
	≈ 6.12687 × 10⁻¹⁸
	≈ 6.5098 × 10⁻¹⁸
	≈ 6.89273 × 10⁻¹⁸

Frequently asked questions

How many thermochemical calories are in 1 electronvolt?

1 eV ≈ 3.829 × 10⁻²⁰ cal. cal = eV × (1.602176634 × 10⁻¹⁹) × (125 / 523)

How do I convert eV to cal?

cal = eV × (1.602176634 × 10⁻¹⁹) × (125 / 523)

Is 1 electronvolt bigger than 1 thermochemical calorie?

1 eV ≈ 3.829 × 10⁻²⁰ cal.

Related conversions

Reverse conversion: thermochemical calories to electronvolts

All quantities