1 ns | 1000 ps (picoseconds) | 1×10^-9 seconds

1 ps | 0.001 ns 1 s | 1×10^9 ns

time

age

period

thermal time constant

Système International d'Unités (SI)

Distance x traveled by light in a vacuum from x = ct: | 0.98 feet | 12 inches | 30 cm (centimeters) | 0.3 meters

Frequency ν from ν = 1/T: | 1 GHz (gigahertz)

Effective rocket exhaust speed from v_e = gI_sp: | 9.8×10^-9 m/s (meters per second)

≈ latency of an L1 cache reference as of 2019 ( ≈ 1 ns )

≈ 9.2 × period of one transition between the two hyperfine levels of the ground state of a cesium-133 atom ( 1/Δν(^133Cs)_hfs )

≈ ( 0.028 ≈ 1/35 ) × half-life of the long-lived neutral kaon ( 3.545×10^-8 s )

≈ ( 0.055 ≈ 1/18 ) × half-life of the charged pion ( 1.8045×10^-8 s )

≈ 5.5 × half-life of the lambda baryon ( 1.824×10^-10 s )