// conversions › 2 · Mechanics & Fluids
Convert mechanical stress and elastic modulus between Pa, MPa, GPa, PSI and ksi via the pascal.
result = value × (from→Pa) ÷ (to→Pa)
It converts mechanical stress and elastic modulus between Pa, MPa, GPa, PSI and ksi by first normalising your value to the SI base unit (pascal) and then scaling to your chosen target unit. This hub-and-spoke approach guarantees every unit pair is internally consistent.
250 MPa to PSI: 250 × 1e6 = 2.5e8 Pa, then ÷ 6894.757 ≈ 36,259 PSI.
Both share these units. Stress is the load a material currently carries (force per unit area); the elastic modulus is its stiffness — how much stress is needed to stretch it by a given fraction. Steel yields near 250 MPa but has a modulus of about 200 GPa, roughly a thousand times larger.
Structural and mechanical engineering, materials testing and design codes.
Conversions are exact ratios where the units are defined exactly (most SI and imperial units) and best-available constants otherwise. Extremely large or small magnitudes are shown in general (g) format; round-tripping through the base unit may introduce tiny floating-point differences in the final decimal places.