Foot-Pound to Kilojoule Converter
Convert foot-pounds to kilojoules instantly. Free, bidirectional, and fully in-browser.
About this tool
Foot-Pound to Kilojoule Converter
Convert foot-pounds to kilojoules instantly. Free, bidirectional, and fully in-browser.
1 foot-pound equals 0.001355817948 kilojoules — enter any foot-pound value to convert it to kilojoules instantly. This Foot-Pound to Kilojoule converter is a client-side tool: it applies a single multiplication (kJ = ft·lb × 0.001355817948) in your browser, updates the moment you type, and works in both directions — edit either field, or press swap, to convert kilojoules back to foot-pounds. A reference table lists common foot-pound values already converted, and nothing you enter is sent to a server.
How to use Foot-Pound to Kilojoule Converter
- 1
Open Foot-Pound to Kilojoule Converter on AltFTool — it loads instantly in your browser.
- 2
Type the value you want to convert into the Foot-Pound field.
- 3
Read the equivalent in kilojoules in the result field, and copy it if needed.
- 4
Use the decimal-places slider for more or less precision, or press swap to convert kilojoules to foot-pounds.
Why use Foot-Pound to Kilojoule Converter
Instant, both ways
The result updates as you type, and the swap button flips the conversion to kilojoule → foot-pound without reloading.
Exact Energy math
The conversion uses the precise factor (kJ = ft·lb × 0.001355817948), so the number matches a manual calculation to the decimal places you choose.
Adjustable precision
A slider sets 0–10 decimal places, and very small or very large results switch to scientific notation instead of rounding to zero.
Private and free
Everything runs locally in your browser — no upload, no account, no limit on conversions.
Common use cases
- Converting a foot-pound measurement to kilojoules for a spec, listing, or report.
- Checking foot-pound↔kilojoule figures while comparing products, datasets, or documentation.
- Learning the foot-pound-to-kilojoule relationship from the worked formula and the common-value table.
Frequently asked questions
How many kilojoules are in a foot-pound?
One foot-pound is 0.001355817948 kilojoules. Multiply the foot-pound value by 0.001355817948 to convert. For example, 10 ft·lb = 0.01355817948 kJ.
What is the formula to convert foot-pounds to kilojoules?
kJ = ft·lb × 0.001355817948. This tool applies it automatically and shows a worked example: 10 ft·lb = 0.01355817948 kJ.
Can it convert kilojoules back to foot-pounds?
Yes. Press the swap button, or type into the kilojoule field, and the tool converts kilojoules to foot-pounds using the inverse of the same relationship.
Is the conversion accurate?
It uses the standard energy and work definition (kJ = ft·lb × 0.001355817948), not a rounded approximation, so results are exact to the number of decimal places you select.
Does this work offline and stay private?
Yes. The converter is a browser-side script with no network calls: your values are never uploaded, and once the page has loaded it keeps working without a connection.
Embed this tool on your site
Add the Foot-Pound to Kilojoule Converter widget to your blog or website — free, responsive, no signup. Just keep the “Widget by AltFTool” credit link visible.
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