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Inches per Second Squared to Feet per Second Squared Converter

Enter the acceleration in inches per second squared below to convert it to feet per second squared.

Convert Inches per Second Squared to Feet per Second Squared

Enter a value in inches per second squared (in/s²) to convert to feet per second squared (ft/s²).

Result
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0.416666667feet per second squared
5 in/s² = 0.416666667 ft/s²
Result updates automatically
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Suggested Conversions
Reference:NIST OWM (SI Units — Length)
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Inch per Second Squared to Foot per Second Squared Conversion Table

Table showing various inch per second squared measurements converted to feet per second squared. Click any preset value or arrow to load it into the converter.

Inches per Second Squared (in/s²)Feet per Second Squared (ft/s²)
1 in/s²0.0833333 ft/s²
2 in/s²0.1666667 ft/s²
2.5 in/s²0.2083333 ft/s²
5 in/s²0.4166667 ft/s²
10 in/s²0.8333333 ft/s²
15 in/s²1.25 ft/s²
20 in/s²1.6666667 ft/s²
25 in/s²2.0833333 ft/s²
30 in/s²2.5 ft/s²
50 in/s²4.1666667 ft/s²

How to Convert Inches per Second Squared to Feet per Second Squared

To convert inches per second squared to feet per second squared, multiply the acceleration by the following conversion ratio: 0.0833333 feet per second squared/inch per second squared.

Since one inch per second squared is equal to 0.0833333 feet per second squared, you can use this simple formula to convert:

feet per second squared = inches per second squared × 0.0833333

The acceleration in feet per second squared is equal to the acceleration in inches per second squared multiplied by 0.0833333.

For example, here's how to convert 5 inches per second squared to feet per second squared using the formula above.

feet per second squared = (5 in/s² × 0.0833333) = 0.4166667 ft/s²

How Many Feet per Second Squared Are in an Inch per Second Squared?

There are 0.0833333 feet per second squared in an inch per second squared, which is why we use this value in the formula above.

1 in/s² = 0.0833333 ft/s²|1 ft/s² = 12 in/s²

Our inch per second squared to foot per second squared calculator automatically converts your acceleration measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Inches per Second Squared and feet per second squared are both units used to measure acceleration. Keep reading to learn more about each unit.

What Is an Inch per Second Squared?

An inch per second squared is a unit of acceleration equal to 0.0254 meters per second squared (m/s²), the base unit for acceleration. Equal to 0.0254 m/s². [1]

The inch per second squared is classified as a US customary unit of acceleration. Inches per Second Squared can be abbreviated as in/s²; for example, 1 inch per second squared can be written as 1 in/s².

When working with inches per second squared (in/s²) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, inches per second squared (in/s²) are widely used across standard acceleration applications within US customary workflows, engineering documentation, and technical data sheets.

What Is a Foot per Second Squared?

A foot per second squared is a unit of acceleration equal to 0.3048 meters per second squared (m/s²), the base unit for acceleration. Imperial & US customary acceleration unit (0.3048 m/s²). [2]

The foot per second squared is classified as a US customary unit of acceleration. Feet per Second Squared can be abbreviated as ft/s²; for example, 1 foot per second squared can be written as 1 ft/s².

When working with feet per second squared (ft/s²) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, feet per second squared (ft/s²) are widely used across standard acceleration applications within US customary workflows, engineering documentation, and technical data sheets.

When converting acceleration between inches per second squared (in/s²) and feet per second squared (ft/s²), keep full floating-point precision (1 in/s² = 0.0833333 ft/s²; 1 ft/s² = 12 in/s²) during intermediate calculations and round only the final foot per second squared figure to match your instrument tolerance.

More Inch per Second Squared & Foot per Second Squared Conversions

Need to calculate in the opposite direction? Use our feet per second squared to inches per second squared calculator to switch your starting unit immediately. You can also explore related tools such as converting feet per second squared to inches per second squared, converting meters per second squared to feet per second squared, or converting inches per second squared to meters per second squared.

Frequently Asked Questions

There are 0.08333 feet per second squared (ft/s²) in 1 inch per second squared (in/s²). Conversely, 1 foot per second squared (ft/s²) is equal to 12 inches per second squared (in/s²).

References

NIST · BIPM · ISO
  1. [1]
    NIST OWM (SI Units — Length)·Acceleration Metrology Standard — Inches per Second Squared (in/s²) to Feet per Second Squared (ft/s²)
    NIST OWM Standard
  2. [2]
    BIPM (SI Base Unit: Metre (m))·Unit Specifications: Inch per Second Squared (in/s²) & Foot per Second Squared (ft/s²)
    BIPM Specification
  3. [3]
    NIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (in/s² to ft/s²)
    NIST HB 133 Reference
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