GHSV Calculator

Catalyst Packing · Bi-directional reactor sizing

Gas Hourly Space Velocity — Bi-directional Solver

Choose the variable you want to solve for. The other four parameters become inputs and the target field lights up as the live output. Gas volume is corrected to 25 °C / 1 atm (NTP) using the ideal gas law before applying the GHSV relationship.

Select Target Variable to Calculate

Parameters

Standard ref: 25 °C · 1 atm
Solved Output
Gas Hourly Space Velocity
h⁻¹
Bed Volume — mL
Standard Flow (Qₙ) — ml/min
Actual Flow (Q) — ml/min
GHSV = (Qₙ × 60) / V_bed
Qₙ via ideal gas law correction.