Fire Engineering Calculators

Flame Height and Temperature Calculator

This calculator can be used to determine the flame height and plume centreline temperatures based on correlations by Heskestad and McCaffrey.

Open Calculator

t² (t-squared) Fire Calculator

This calculator can be used to determine the heat release rate of a t² (t-squared) fire at a certain time or determine the time it takes to reach a certain heat release rate.

Open Calculator

Detector Activation Calculator

This calculator can be used to determine the activation time of a smoke detector or sprinkler using Alperts correlation.

Open Calculator

Radiant Heat Flux (Simple)

This calculator can be used to determine the radiant heat flux recieved from an emitter at right angles.

Open Calculator

Appliance Response Time Calculator

This calculator can be used to determine the response time of a New South Wales Fire Brigade appliance in accordance with the Fire Brigade Intervention Model.

Open Calculator

Flame Size from an Opening Calculator

This calculator can be used to determine the flame size from an opening in an external wall of a building.

Open Calculator

Fire Dynamic Simulator (FDS) Cell Size Calculator

This calculator can be used to determine what value (cell size) works well in accordance with the FDS User Guide

Open Calculator