What you are given
- Health (blue): 1
- Flammability (red): 3
- Instability (yellow): 0
Formula: NFPA 704 health / flammability / instability / special
Physical
How do you calculate nFPA 704 fire diamond?
Build the health / flammability / instability / special hazard diamond. The relationship used is NFPA 704 health / flammability / instability / special.
Worked example
Every number below is computed by the calculator, not typed in
The working
- Health (blue):
NFPA 704=1: Slightly hazardous - Flammability (red):
NFPA 704=3: Flash point below 23 °C - Instability (yellow):
NFPA 704=0: Stable - Special (white):
NFPA 704=No special hazard
NFPA 704: 1 / 3 / 0
Do it with your own numbers.
The NFPA 704 fire diamond calculator is free, shows every step, flags the hazards, and works offline once loaded. No account, no signup.
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