Foot per Second to Mile per Hour Formula

The complete formula for converting feet per second (ft/s) to miles per hour (mph). See the formula, how it works, and worked examples below.

ft/s × 0.681818 = mph

How the Formula Works

To convert feet per second to miles per hour, divide the value by 1.47 (or multiply by 0.6818). This works because 1 foot per second equals 0.6818 miles per hour.

Worked Examples

1 ft/s to mph

  1. Start with 1 ft/s
  2. Multiply by 0.681818: 1 × 0.681818 = 0.6818
  3. Result: 1 ft/s = 0.6818 mph

5 ft/s to mph

  1. Start with 5 ft/s
  2. Multiply by 0.681818: 5 × 0.681818 = 3.41
  3. Result: 5 ft/s = 3.41 mph

10 ft/s to mph

  1. Start with 10 ft/s
  2. Multiply by 0.681818: 10 × 0.681818 = 6.82
  3. Result: 10 ft/s = 6.82 mph

50 ft/s to mph

  1. Start with 50 ft/s
  2. Multiply by 0.681818: 50 × 0.681818 = 34.09
  3. Result: 50 ft/s = 34.09 mph

100 ft/s to mph

  1. Start with 100 ft/s
  2. Multiply by 0.681818: 100 × 0.681818 = 68.18
  3. Result: 100 ft/s = 68.18 mph

Reverse Formula: Mile per Hour to Foot per Second

mph × 1.466667 = ft/s

See the full Mile per Hour to Foot per Second formula for worked examples.

Related

Frequently Asked Questions

The formula is: ft/s × 0.681818 = mph. See the worked examples above for step-by-step breakdowns, or use the Foot per Second to Mile per Hour converter for instant results.
10 feet per second = 6.82 miles per hour. Apply the formula: ft/s × 0.681818 = mph.