What is being measured?
Acceleration describes a change in velocity per time. A converted magnitude does not define a direction or a motion model.
Convert compatible measurements of the same quantity. A unit conversion does not infer a new physical property.
Meaning of ft/s²
feet per second squared uses the symbol ft/s² in this library and measures acceleration. Under the stated reference convention, 1 ft/s² = approximately 0.3048 m/s². This equivalence changes how a known value is written. It does not increase measurement accuracy or establish whether a measurement is appropriate to a real application.
Conversion method
Multiply the value by the source factor (0.3048), then divide by the target factor (1). The factor ratio expresses the same acceleration measurement in the other unit.
Worked example
For a known value of 10 ft/s², the reference conversion gives 3.048 m/s². Converting that result back gives approximately 10 ft/s². This reverse check helps catch a reversed factor, but matching round-trip arithmetic alone does not independently verify a source definition.
Common reference values
| Input (ft/s²) | Reference equivalent (m/s²) |
|---|---|
| 1 | 0.3048 |
| 5 | 1.524 |
| 10 | 3.048 |
| 25 | 7.62 |
| 50 | 15.24 |
| 100 | 30.48 |
Compare one ft/s² with other units
| Target unit | Equivalent of 1 ft/s² | Definition guide |
|---|---|---|
| meters per second squared (m/s²) | 0.3048 | Read definition |
| centimeters per second squared (cm/s²) | 30.48 | Read definition |
| g force (g₀) | 0.0310809501716 | Read definition |
Precision and common mistakes
- Keep the source and target quantity consistent. A matching symbol is not enough to establish a compatible definition.
- Record the original measurement precision. Showing twelve significant digits in a table does not make a rounded input more precise.
- Check symbol capitalization, prefixes and any regional convention in the source. Use the displayed unit definition rather than a similarly named unit.
- Factors involving repeating fractions or π use finite numerical precision. Round the final answer to the precision justified by your input.
Use a working converter
- Acceleration converter
- Feet per second squared to meters per second squared converter
- Feet per second squared to g force converter
- Feet per second squared to gal converter
- Feet per second squared to centimeters per second squared converter
Source and verification scope
Examples and tables are computed from the versioned unit definitions used by the linked converters. The source access dates appear below. Computandum is independent of the cited organizations; a citation does not mean that a publisher endorses this page or an actual project.
Sources
- NIST / BIPM: NIST: unit conversion factors ↗ · 2026-10-08