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Energy
Converter

Convert between energy units including joules, calories, BTU, kilowatt hours, and other energy measurements.

45

Conversion Rules

28

Different Units

99.9%

Accuracy

Free

Always

Smart Energy Converter

Professional-grade energy conversions with instant results

F

From Unit

Value

T

To Unit

Result

0

99.9%

Accuracy Rate

<100ms

Response Time

28

Units Supported

Smart

AI-Powered

Popular Energy Conversions

nm to ft lb

1 nm = 0.737562 ft lb

1 nm 2 nm 5 nm 10 nm

kj to kcal

1 kj = 0.239006 kcal

1 kj 2 kj 5 kj 10 kj

ft lb to nm

1 ft lb = 1.35582 nm

1 ft lb 2 ft lb 5 ft lb 10 ft lb

kcal to kj

1 kcal = 4.184 kj

1 kcal 2 kcal 5 kcal 10 kcal

newton meter to inch pound

1 newton meter = 8.85075 inch pound

1 newton meter 2 newton meter 5 newton meter 10 newton meter

kcal to cal

1 kcal = 1000 cal

1 kcal 2 kcal 5 kcal 10 kcal

kj to j

1 kj = 1000 j

1 kj 2 kj 5 kj 10 kj

cal to j

1 cal = 4.184 j

1 cal 2 cal 5 cal 10 cal

Complete Energy Conversion Guide

Convert between energy units including joules, calories, BTU, kilowatt hours, and other energy measurements. Our comprehensive converter supports 45 different conversion rules across 28 unique units, making it the most complete energy conversion tool available online.

Why Choose Our Energy Converter?

Comprehensive Coverage

45 conversion rules covering all major energy units

High Precision

Results accurate to 6 decimal places for professional use

Instant Results

Real-time conversion as you type with no delays

Mobile Friendly

Works perfectly on all devices and screen sizes

Always Free

No registration, no payments, no hidden costs

Professional Grade

Suitable for academic, commercial, and industrial use

Real-World Applications

Energy conversions are essential across numerous industries and applications:

Electrical Engineering

Professional energy conversions are crucial for accuracy and compliance in this field.

Nutrition and Fitness

Professional energy conversions are crucial for accuracy and compliance in this field.

HVAC and Building Systems

Professional energy conversions are crucial for accuracy and compliance in this field.

Renewable Energy

Professional energy conversions are crucial for accuracy and compliance in this field.

Industrial Processes

Professional energy conversions are crucial for accuracy and compliance in this field.

Expert Tips & Best Practices

Food calories are actually kilocalories in scientific terms

Electrical energy and mechanical energy use different common units

Always specify whether you're measuring energy or power

Consider efficiency losses in energy conversion calculations

Energy Units Reference

Our converter supports all major energy units used worldwide:

cal

calorie nutritional

calorie th

electron volt

foot pound

ft lb

gigajoule

gigawatt hour

horsepower metric hour

inch pound

j

joule

kcal

kilocalorie it

kilocalorie th

kilogram force meter

kilojoule

kilowatt hour

kj

mega btu it

megaelectron volt

megajoule

megawatt hour

millijoule

newton meter

nm

pound force foot

watt hour

Conversion Accuracy

All conversion factors are based on internationally recognized standards and are accurate to 6 decimal places. Our energy converter is suitable for professional, academic, and commercial applications.

Converter Performance

45

Conversion Rules

28

Supported Units

99.9%

Accuracy Rate

<1ms

Response Time

How to Use the Energy Converter

1

Select Your Units

Choose the unit you want to convert from and the unit you want to convert to using the dropdown menus.

2

Enter Your Value

Type the number you want to convert in the input field. The result will update automatically.

3

Get Instant Results

View your converted result immediately, along with the conversion factor and quick reference values.

4

Copy or Share

Use the copy button to save your result or share it with others using the share function.

All Energy Conversions (45 Rules)

Complete grid of all 45 conversion rules in the energy category

🔋

nm → ft lb

Conversion Factor

1 nm = 0.737562 ft lb

1 nm

= 0.7376 ft lb

10 nm

= 7.3756 ft lb

🔋

kj → kcal

Conversion Factor

1 kj = 0.239006 kcal

1 kj

= 0.239 kcal

10 kj

= 2.3901 kcal

🔋

ft lb → nm

Conversion Factor

1 ft lb = 1.35582 nm

1 ft lb

= 1.3558 nm

10 ft lb

= 13.5582 nm

🔋

kcal → kj

Conversion Factor

1 kcal = 4.184 kj

1 kcal

= 4.184 kj

10 kcal

= 41.84 kj

🔋

newton meter → inch pound

Conversion Factor

1 newton meter = 8.85075 inch pound

1 newton meter

= 8.8507 inch pound

10 newton meter

= 88.5075 inch pound

🔋

kcal → cal

Conversion Factor

1 kcal = 1000 cal

1 kcal

= 1000 cal

10 kcal

= 10000 cal

🔋

kj → j

Conversion Factor

1 kj = 1000 j

1 kj

= 1000 j

10 kj

= 10000 j

🔋

cal → j

Conversion Factor

1 cal = 4.184 j

1 cal

= 4.184 j

10 cal

= 41.84 j

🔋

j → kj

Conversion Factor

1 j = 0.001 kj

1 j

= 0.001 kj

10 j

= 0.01 kj

🔋

kilowatt hour → megawatt hour

Conversion Factor

1 kilowatt hour = 0.001 megawatt hour

1 kilowatt hour

= 0.001 megawatt hour

10 kilowatt hour

= 0.01 megawatt hour

🔋

electron volt → joule

Conversion Factor

1 electron volt = 1.60218e-19 joule

1 electron volt

= 0 joule

10 electron volt

= 0 joule

🔋

j → cal

Conversion Factor

1 j = 0.239006 cal

1 j

= 0.239 cal

10 j

= 2.3901 cal

🔋

joule → electron volt

Conversion Factor

1 joule = 6242000000000000000 electron volt

1 joule

= 6242000000000000000 electron volt

10 joule

= 62420000000000000000 electron volt

🔋

megajoule → joule

Conversion Factor

1 megajoule = 1000000 joule

1 megajoule

= 1000000 joule

10 megajoule

= 10000000 joule

🔋

cal → kcal

Conversion Factor

1 cal = 0.001 kcal

1 cal

= 0.001 kcal

10 cal

= 0.01 kcal

🔋

megawatt hour → kilowatt hour

Conversion Factor

1 megawatt hour = 1000 kilowatt hour

1 megawatt hour

= 1000 kilowatt hour

10 megawatt hour

= 10000 kilowatt hour

🔋

joule → watt hour

Conversion Factor

1 joule = 0.000277778 watt hour

1 joule

= 0.0003 watt hour

10 joule

= 0.0028 watt hour

🔋

joule → newton meter

Conversion Factor

1 joule = 1 newton meter

1 joule

= 1 newton meter

10 joule

= 10 newton meter

🔋

megajoule → kilowatt hour

Conversion Factor

1 megajoule = 0.277778 kilowatt hour

1 megajoule

= 0.2778 kilowatt hour

10 megajoule

= 2.7778 kilowatt hour

🔋

megaelectron volt → joule

Conversion Factor

1 megaelectron volt = 1.60218e-13 joule

1 megaelectron volt

= 0 joule

10 megaelectron volt

= 0 joule

🔋

newton meter → kilogram force meter

Conversion Factor

1 newton meter = 0.101972 kilogram force meter

1 newton meter

= 0.102 kilogram force meter

10 newton meter

= 1.0197 kilogram force meter

🔋

gigajoule → megawatt hour

Conversion Factor

1 gigajoule = 0.277778 megawatt hour

1 gigajoule

= 0.2778 megawatt hour

10 gigajoule

= 2.7778 megawatt hour

🔋

millijoule → joule

Conversion Factor

1 millijoule = 0.001 joule

1 millijoule

= 0.001 joule

10 millijoule

= 0.01 joule

🔋

joule → megajoule

Conversion Factor

1 joule = 0.000001 megajoule

1 joule

= 0 megajoule

10 joule

= 0 megajoule

🔋

calorie nutritional → kilogram force meter

Conversion Factor

1 calorie nutritional = 0.426934 kilogram force meter

1 calorie nutritional

= 0.4269 kilogram force meter

10 calorie nutritional

= 4.2693 kilogram force meter

🔋

kilowatt hour → megajoule

Conversion Factor

1 kilowatt hour = 3.6 megajoule

1 kilowatt hour

= 3.6 megajoule

10 kilowatt hour

= 36 megajoule

🔋

kilowatt hour → gigajoule

Conversion Factor

1 kilowatt hour = 0.0036 gigajoule

1 kilowatt hour

= 0.0036 gigajoule

10 kilowatt hour

= 0.036 gigajoule

🔋

mega btu it → kilowatt hour

Conversion Factor

1 mega btu it = 293.071 kilowatt hour

1 mega btu it

= 293.071 kilowatt hour

10 mega btu it

= 2930.71 kilowatt hour

🔋

joule → kilocalorie it

Conversion Factor

1 joule = 0.000239006 kilocalorie it

1 joule

= 0.0002 kilocalorie it

10 joule

= 0.0024 kilocalorie it

🔋

gigajoule → kilowatt hour

Conversion Factor

1 gigajoule = 277.778 kilowatt hour

1 gigajoule

= 277.778 kilowatt hour

10 gigajoule

= 2777.78 kilowatt hour

🔋

joule → kilogram force meter

Conversion Factor

1 joule = 0.101972 kilogram force meter

1 joule

= 0.102 kilogram force meter

10 joule

= 1.0197 kilogram force meter

🔋

watt hour → kilowatt hour

Conversion Factor

1 watt hour = 0.001 kilowatt hour

1 watt hour

= 0.001 kilowatt hour

10 watt hour

= 0.01 kilowatt hour

🔋

megawatt hour → gigajoule

Conversion Factor

1 megawatt hour = 3.6 gigajoule

1 megawatt hour

= 3.6 gigajoule

10 megawatt hour

= 36 gigajoule

🔋

foot pound → inch pound

Conversion Factor

1 foot pound = 12 inch pound

1 foot pound

= 12 inch pound

10 foot pound

= 120 inch pound

🔋

newton meter → joule

Conversion Factor

1 newton meter = 1 joule

1 newton meter

= 1 joule

10 newton meter

= 10 joule

🔋

kilocalorie th → joule

Conversion Factor

1 kilocalorie th = 4184 joule

1 kilocalorie th

= 4184 joule

10 kilocalorie th

= 41840 joule

🔋

megajoule → kilojoule

Conversion Factor

1 megajoule = 1000 kilojoule

1 megajoule

= 1000 kilojoule

10 megajoule

= 10000 kilojoule

🔋

newton meter → horsepower metric hour

Conversion Factor

1 newton meter = 3.72506e-7 horsepower metric hour

1 newton meter

= 0 horsepower metric hour

10 newton meter

= 0 horsepower metric hour

🔋

megajoule → watt hour

Conversion Factor

1 megajoule = 277.778 watt hour

1 megajoule

= 277.778 watt hour

10 megajoule

= 2777.78 watt hour

🔋

kilojoule → calorie th

Conversion Factor

1 kilojoule = 239.006 calorie th

1 kilojoule

= 239.006 calorie th

10 kilojoule

= 2390.06 calorie th

🔋

kilowatt hour → gigawatt hour

Conversion Factor

1 kilowatt hour = 0.000001 gigawatt hour

1 kilowatt hour

= 0 gigawatt hour

10 kilowatt hour

= 0 gigawatt hour

🔋

joule → kilowatt hour

Conversion Factor

1 joule = 2.77778e-7 kilowatt hour

1 joule

= 0 kilowatt hour

10 joule

= 0 kilowatt hour

🔋

megajoule → kilocalorie it

Conversion Factor

1 megajoule = 239.006 kilocalorie it

1 megajoule

= 239.006 kilocalorie it

10 megajoule

= 2390.06 kilocalorie it

🔋

foot pound → pound force foot

Conversion Factor

1 foot pound = 1 pound force foot

1 foot pound

= 1 pound force foot

10 foot pound

= 10 pound force foot

🔋

gigawatt hour → kilowatt hour

Conversion Factor

1 gigawatt hour = 1000 kilowatt hour

1 gigawatt hour

= 1000 kilowatt hour

10 gigawatt hour

= 10000 kilowatt hour

45

Total Rules

28

Unique Units

225

Quick Links

100%

Coverage

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