How to Convert kWh to J: Complete Guide

Converting from kWh to J is a common task in nutrition, electricity billing, fitness tracking, and engineering. Whether you need a quick answer or want to understand the math behind the conversion, this guide covers everything you need.

Quick Answer

**1 kWh = 3600000 J**. To convert any value from kWh to J, multiply by 3600000.

The Conversion Formula

The formula is straightforward: **J = kWh × 3600000**. For the reverse conversion, divide by 3600000 instead: **kWh = J ÷ 3600000**.

Common Conversion Table

Here are the most commonly needed conversions: - 0.1 kWh = 360000 J - 0.5 kWh = 1800000 J - 1 kWh = 3600000 J - 2 kWh = 7200000 J - 3 kWh = 10800000 J - 5 kWh = 18000000 J - 10 kWh = 36000000 J - 15 kWh = 54000000 J - 20 kWh = 72000000 J - 25 kWh = 90000000 J - 50 kWh = 180000000 J - 100 kWh = 360000000 J - 250 kWh = 900000000 J - 500 kWh = 1800000000 J - 1000 kWh = 3600000000 J

When You Need This Conversion

This conversion is commonly needed in nutrition, electricity billing, fitness tracking, and engineering. Understanding the relationship between kWh and J helps you work efficiently across different measurement systems and standards.

Tips for Quick Conversions

Since 1 kWh equals 3600000 J, you can estimate by knowing the conversion factor 3600000. For precise results, use our free converter which handles all the math instantly.

Use Our Free Converter

Skip the manual math and use our free kWh to J converter for instant, accurate results. It includes a conversion table, formula explanation, and related conversions — all optimized for mobile and desktop.