calories to Watt-seconds conversion

calories to Watt-seconds conversion table

calories (cal)Watt-seconds (Ws)
00
14.184
28.368
312.552
416.736
520.92
625.104
729.288
833.472
937.656
1041.84
2083.68
30125.52
40167.36
50209.2
60251.04
70292.88
80334.72
90376.56
100418.4
10004184

How to convert calories to watt-seconds?

Sure! Let's break this down step-by-step.

Converting Calories to Watt-seconds

A calorie is a unit of energy. Specifically:

  • 1 calorie (cal) = 4.184 joules (J)

Now, power in watts (W) is the rate at which energy is used or produced, and 1 watt is equivalent to 1 joule per second:

  • 1 watt (W) = 1 joule per second (J/s)

So, if we want to convert calories to watt-seconds:

1 cal ⟹ 4.184 J ⟹ 4.184 W⋅s

This means that 1 calorie is equivalent to 4.184 watt-seconds.

Real-World Examples of Calories

Food Energy

  • A medium-sized apple: Approximately 95 dietary calories. In physics, dietary calories (often labeled as Calories with a capital C) are actually kilocalories (kcal). So, 95 dietary calories = 95 kcal = 95,000 cal (in physics terms). Therefore, 95,000 cal × 4.184 W⋅s/cal = 397,480 W⋅s.

Human Energy Expenditure

  • Running a mile: On average, a person burns about 100 kcal per mile. So, 100 kcal = 100,000 cal. 100,000 cal × 4.184 W⋅s/cal = 418,400 W⋅s.

Mechanical Work

  • Using a 60-watt light bulb: If a 60-watt light bulb runs for an hour, the energy consumption can be calculated as follows: 60 W × 3600 s = 216,000 W⋅s. In terms of calories: 216,000 W⋅s ÷ 4.184 W⋅s/cal ≈ 51,608 cal.

Everyday Appliances

  • Microwaving food: Let's say you microwave your food for 3 minutes (180 seconds) and your microwave uses 1000 watts (which is quite common). Energy consumption: 1000 W × 180 s = 180,000 W⋅s. In terms of calories: 180,000 W⋅s ÷ 4.184 W⋅s/cal ≈ 43,020 cal.

Summary

  • 1 calorie ≈ 4.184 watt-seconds.
  • Real-world examples link calories to various daily activities like eating (95 kcal for an apple), exercising (100 kcal for running a mile), and using electrical devices (60 W bulb for an hour ≈ 51,608 calories).

I hope this helps! If you have any more questions, feel free to ask.

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Watt-seconds to other unit conversions.

What is calories?

Calories are a unit of measurement that represents the amount of energy your body gets from consuming food and drinks. In other words, they measure the energy content of what you eat.

Here's how it works:

  1. Your body uses calories to function: To grow, repair tissues, and maintain basic bodily functions (like beating your heart or breathing), your body needs a certain amount of energy.
  2. Food provides that energy: When you eat food, the carbohydrates, proteins, and fats in those foods are broken down into different forms of energy. This process is called metabolism.
  3. Calories represent that energy: The total amount of energy from these processes is measured in calories (or kilocalories). One calorie is equal to 4.184 joules.

Think of it like this:

  • A car engine needs gasoline to run, and a certain amount of gasoline provides a specific amount of energy.
  • Similarly, your body "runs" on the energy provided by the foods you eat. The more calories in those foods, the more energy they provide for your bodily functions.

Here are some common examples of calorie sources:

  • 1 banana: approximately 100-110 calories
  • 1 apple: around 95 calories
  • 1 cup of cooked rice: about 200-250 calories

When you consume a certain amount of calories, your body uses that energy to perform various functions. Excess calories can lead to weight gain if not balanced with physical activity or burned off through exercise.

Does this help clarify what calories are?

What is watt-seconds?

Watt-seconds, also known as joules (J), is a unit of energy. It represents the amount of energy expended or work done when 1 watt (a unit of power) is applied for 1 second.

In essence, it measures how much "oomph" or "energy punch" is delivered in that one-second period. Think of it as a way to quantify the total energy transferred by a source (like a light bulb) over a short duration.

Complete calories conversion table

Enter # of calories
Convert 1 cal to other unitsResult
calories to Watt-seconds (cal to Ws)4.184
calories to Watt-minutes (cal to Wm)0.06973333333333
calories to Watt-hours (cal to Wh)0.001162222222222
calories to Milliwatt-hours (cal to mWh)1.1622222222222
calories to Kilowatt-hours (cal to kWh)0.000001162222222222
calories to Megawatt-hours (cal to MWh)1.1622222222222e-9
calories to Gigawatt-hours (cal to GWh)1.1622222222222e-12
calories to Joules (cal to J)4.184
calories to Kilojoules (cal to kJ)0.004184
calories to Megajoules (cal to MJ)0.000004184
calories to Gigajoules (cal to GJ)4.184e-9
calories to Kilocalories (cal to kcal)0.001