Pressure = ForceArea\; \frac{\text{Force}}{\text{Area}}AreaForce
Force = mass x acceleration
∴\therefore∴ Pressure = mass × accelerationArea\; \frac{\text{mass} \;\times\; \text{acceleration}}{\text{Area}}Areamass×acceleration
= kg × m × s−2m2\; \frac{\mathrm{kg} \;\times\; \mathrm{m} \;\times\; \mathrm{s}^{-2}}{\mathrm{m}^2}m2kg×m×s−2
= kg m−1^{-1}−1 s−2^{-2}−2