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Kilocalories to Quads Converter

Convert kilocalories (food Calories) (kcal) to quads (10¹⁵ Btu) (quad), 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.

About valueA number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
About toThe unit you want the answer in. Swap exchanges the two units.
Result
Result
3.96566683139 × 10⁻¹⁵ quad
joules (watt-seconds)
4,184 J
kilojoules
4.184 kJ
megajoules
0.004184 MJ
gigajoules
4.184 × 10⁻⁶ GJ
calories (thermochemical)
1,000 cal
megacalories
0.001 Mcal
watt-hours
1.16222222222 Wh
kilowatt-hours
0.00116222222222 kWh
megawatt-hours
1.16222222222 × 10⁻⁶ MWh
British thermal units (IT)
3.96566683139 Btu
million Btu
3.96566683139 × 10⁻⁶ MMBtu
therms (100,000 Btu)
3.96566683139 × 10⁻⁵ thm
electronvolts
2.61144739675 × 10²² eV
kiloelectronvolts
2.61144739675 × 10¹⁹ keV
megaelectronvolts
2.61144739675 × 10¹⁶ MeV

1 kcal = 3.96566683139 × 10⁻¹⁵ quad

Show the working
  1. 1 kcal = 3.96566683139e-15 quad
  2. 1 × 3.96566683139e-15 = 3.96566683139e-15 quad

How to convert kilocalories to quads

1 quad = 252,164,400,722,000 kcal, so divide by 252,164,400,722,000 to go from kilocalories (food Calories) to quads (10¹⁵ Btu) (1 kcal = 3.96566683139 × 10⁻¹⁵ quad).

quad = kcal ÷ 252,164,400,722,000
kcal = quad × 252,164,400,722,000

Worked example:

1 kcal = 3.96566683139e-15 quad
5 × 3.96566683139e-15 = 1.9828334157e-14 quad

Kilocalories to quads table

KilocaloriesQuads
1 kcal3.96566683139 × 10⁻¹⁵ quad
2 kcal7.93133366278 × 10⁻¹⁵ quad
3 kcal1.18970004942 × 10⁻¹⁴ quad
4 kcal1.58626673256 × 10⁻¹⁴ quad
5 kcal1.9828334157 × 10⁻¹⁴ quad
6 kcal2.37940009883 × 10⁻¹⁴ quad
7 kcal2.77596678197 × 10⁻¹⁴ quad
8 kcal3.17253346511 × 10⁻¹⁴ quad
9 kcal3.56910014825 × 10⁻¹⁴ quad
10 kcal3.96566683139 × 10⁻¹⁴ quad
15 kcal5.94850024709 × 10⁻¹⁴ quad
20 kcal7.93133366278 × 10⁻¹⁴ quad
25 kcal9.91416707848 × 10⁻¹⁴ quad
30 kcal1.18970004942 × 10⁻¹³ quad
40 kcal1.58626673256 × 10⁻¹³ quad
50 kcal1.9828334157 × 10⁻¹³ quad
75 kcal2.97425012354 × 10⁻¹³ quad
100 kcal3.96566683139 × 10⁻¹³ quad
250 kcal9.91416707848 × 10⁻¹³ quad
500 kcal1.9828334157 × 10⁻¹² quad
1000 kcal3.96566683139 × 10⁻¹² quad

About the units

Kilocalories (kcal)
Kilocalories (food Calories), a specialised unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
Quads (quad)
Quads (10¹⁵ Btu), a US customary unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.

Formula version 0.1.0Reviewed