Feet per Second to Mach Converter

Convert ft/s to Mach number and Mach to ft/s instantly. Bidirectional speed converter with formula and common values.

How to Convert Feet per Second to Mach

To convert feet per second to Mach, divide by 1125.33 (the speed of sound in ft/s at standard sea-level conditions).

MPH to KM/H Converter

Convert miles per hour to kilometers per hour and km/h to mph.

Knots to KM/H Converter

Convert knots to kilometers per hour and km/h to knots for nautical speed.

M/S to KM/H Converter

Convert meters per second to kilometers per hour and km/h to m/s.

FT/S to M/S Converter

Convert feet per second to meters per second and m/s to ft/s.

Mach to KM/H Converter

Convert Mach number to kilometers per hour and km/h to Mach.

KM/H to MPH Converter

Convert kilometers per hour to miles per hour and mph to km/h.

What is Mach 1 in ft/s?

Mach 1 equals approximately 1,125.33 ft/s at standard sea-level conditions.

How do I convert ft/s to Mach?

Multiply by 0.0008889 (or divide by 1,125.33). For example, 1126 ft/s = Mach 1.001.

What was the first aircraft to break Mach 1?

The Bell X-1, piloted by Chuck Yeager in 1947, was the first aircraft to exceed Mach 1 in level flight.

Does Mach change with altitude?

Yes, since the speed of sound depends on air temperature. At 35,000 ft, Mach 1 is about 973 ft/s.