Enter conversion values
Enter one value or many values. Separate batch entries using commas, spaces, or new lines.
Formula used
One foot contains twelve inches. The same ratio converts these compound units. Always confirm the required torque notation before applying values.
How to use this calculator
- Select the required conversion direction.
- Enter one value or several batch values.
- Choose precision and number formatting preferences.
- Select Calculate to view detailed results.
- Copy, export, print, or share the report.
Use decimals, negatives, or scientific notation. Invalid entries receive clear messages. Review tool specifications before tightening any critical fastener safely.
Worked examples
| Example | Calculation | Result |
|---|---|---|
| 25 ft·lb | 25 × 12 | 300 in·lb |
| 7.5 ft·lb | 7.5 × 12 | 90 in·lb |
| 480 in·lb | 480 ÷ 12 | 40 ft·lb |
Each example uses the exact twelve-to-one relationship. Decimal values remain fully supported. Select suitable precision for your engineering documentation requirements.
Common conversion table
| Foot-pounds | Inch-pounds | Foot-pounds | Inch-pounds |
|---|---|---|---|
| 1 ft·lb | 12 in·lb | 50 ft·lb | 600 in·lb |
| 2 ft·lb | 24 in·lb | 75 ft·lb | 900 in·lb |
| 5 ft·lb | 60 in·lb | 100 ft·lb | 1200 in·lb |
| 10 ft·lb | 120 in·lb | 150 ft·lb | 1800 in·lb |
| 20 ft·lb | 240 in·lb | 200 ft·lb | 2400 in·lb |
| 25 ft·lb | 300 in·lb | 250 ft·lb | 3000 in·lb |
This table supports quick manual checking. Calculator results provide greater precision. Keep units visible throughout every mechanical calculation and report.
Practical applications
- Torque wrench settings for smaller fasteners.
- Automotive maintenance and component installation.
- Machinery assembly and equipment servicing.
- Engineering drawings and specification conversions.
- Energy calculations using consistent imperial units.
Torque values protect components from damage. Incorrect units can cause serious errors. Verify manufacturer guidance before beginning installation or maintenance work.
Frequently asked questions
How many inch-pounds equal one foot-pound?
One foot-pound equals twelve inch-pounds. Multiply foot-pounds by twelve. This ratio remains exact for every valid conversion value.
How do I convert inch-pounds into foot-pounds?
Divide inch-pounds by twelve. The quotient gives foot-pounds. Keep sufficient decimals for your required measurement precision level.
Can this calculator process negative values?
Yes, negative values are accepted. They may describe opposite rotation. Interpret their direction using your project coordinate convention carefully.
Does the calculator accept scientific notation?
Yes, scientific notation is supported. Enter values like 1.2e4. The report also displays converted scientific notation automatically afterward.
Can I convert several values together?
Yes, batch conversion is available. Separate entries using commas or lines. The calculator processes up to two hundred fifty entries.
Are foot-pounds units of torque or energy?
They can describe either quantity. Context determines the intended meaning. Torque specifications often use pound-feet or inch-pounds in practice.
What precision should I select?
Choose precision matching your source data. Avoid implying unsupported accuracy. Engineering documents should follow approved measurement and rounding standards.
Why can torque notation appear reversed?
Different industries use different conventions. Pound-foot commonly identifies torque. Read surrounding documentation before deciding the intended physical quantity.
Can I download the results?
Yes, CSV and PDF downloads exist. A text report downloads automatically. Printing also supports browser-based saving as a PDF file.
Does formatting change the underlying result?
No, formatting affects display only. Calculations use floating-point values. Choose separators and trimmed zeros for clearer final reports.
Should converted torque replace manufacturer specifications?
No, authoritative specifications always control. This calculator assists unit conversion. Confirm every critical setting using current manufacturer documentation first.