Convert 1000 Microwatt (µW) to Calorie/Second (cal/s).

1000 Microwatt equals 0.000239 Calorie/Second. Multiply 1000 by 2.390057e-7.

1000 Microwatt = 0.000239 Calorie/Second

Worked example: converting Microwatt to Calorie/Second

Step 1 — start with the formula. cal/s = µW × 2.390057e-7
Step 2 — substitute your figure. 1000 µW × 2.390057e-7
Step 3 — read the result. 1000 µW = 0.000239 cal/s
Step 4 — check it in reverse. µW = cal/s × 4,184,000 returns 999.976 µW, which matches the figure you started with.

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From

To

0.000239

1000 µW = 0.000239 cal/s

Formula:

cal/s = µW × 2.390057e-7

With your value: 1000 µW = 0.00023901 cal/s

How big is that?

Everyday references on a logarithmic scale, all expressed in microwatt so you can sanity-check the result.

Your value1.00e+3 µW

LED bulb (9.0e+3× your value)9.00e+6 µW

Laptop (6.5e+4× your value)6.50e+7 µW

Microwave oven (1.0e+6× your value)1.00e+9 µW

Electric kettle (3.0e+6× your value)3.00e+9 µW

Family car engine (9.0e+7× your value)9.00e+10 µW

Other Microwatt to Calorie/Second conversions

90 µW to cal/s 96 µW to cal/s 100 µW to cal/s 120 µW to cal/s 150 µW to cal/s 200 µW to cal/s 500 µW to cal/s Full Microwatt to Calorie/Second converter

Microwatt to Calorie/Second Conversion Table

Microwatt (µW)	Calorie/Second (cal/s)
0.5	1.195029e-7
1	2.390057e-7
2	4.780115e-7
5	1.195029e-6
10	2.390057e-6
15	3.585086e-6
20	4.780115e-6
25	5.975143e-6
50	1.195029e-5
100	2.390057e-5
250	5.975143e-5
500	0.00012
1000	0.000239

Calorie/Second to Microwatt Conversion Table

Calorie/Second (cal/s)	Microwatt (µW)
0.5	2,092,000
1	4,184,000
2	8,368,000
5	20,920,000
10	41,840,000
15	62,760,000
20	83,680,000
25	104,600,000
50	209,200,000
100	418,400,000
250	1,046,000,000
500	2,092,000,000
1000	4,184,000,000

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Microwatt (µW)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Calorie/Second (cal/s)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Microwatt to Calorie/Second

To convert from Microwatt (µW) to Calorie/Second (cal/s), multiply the value by 2.390057e-7.

Formula: cal/s = µW × 2.390057e-7

Reverse: µW = cal/s × 4,184,000

Step-by-Step Example

Start with your value in Microwatt. For example: 5 µW
Multiply by the conversion factor: 5 x 2.390057e-7
The result is: 1.195029e-6 cal/s

About Microwatt

The microwatt (µW) is a unit of power. One microwatt equals 1.000000 × 10^-6 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

About Calorie/Second

The calorie/second (cal/s) is a unit of power. One calorie/second equals 4.184 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

Frequently Asked Questions

What is 1000 Microwatt in Calorie/Second?

1000 Microwatt equals 0.000239 Calorie/Second.

How many Calorie/Second are in 1 Microwatt?

There are exactly 2.390057e-7 Calorie/Second in 1 Microwatt. This means the conversion factor from Microwatt to Calorie/Second is 2.390057e-7.

What is the formula to convert Microwatt to Calorie/Second?

The formula to convert Microwatt to Calorie/Second is: cal/s = µW × 2.390057e-7. For example, to convert 10 Microwatt to Calorie/Second, you would multiply 10 by 2.390057e-7.

What is a Microwatt?