Home/Technical Info/RCF / RPM Converter

RCF / RPM Converter

Interconvert relative centrifugal force (RCF, ×g) and rotor speed (RPM) based on rotor radius.

Input Parameters

Common rotors

Click to set radius

Formulas

RCF = 1.118 × 10⁻⁵ × r × (RPM)²

r: rotor radius (cm)

RPM = √(RCF / (1.118 × 10⁻⁵ × r))

Common centrifugation references

Pellet cells300–500 ×g / 5–10 min
Pellet bacteria4000–6000 ×g / 10–15 min
Pellet cell debris10000–20000 ×g / 20–30 min
Pellet ribosomes100000 ×g / 1–2 h
Density-gradient centrifugation100000–300000 ×g / 2–16 h

We use cookies and third-party analytics (Microsoft Clarity, Baidu Tongji, Google Analytics) to measure traffic and improve our service. Clarity includes session recording. You may decline — core site functionality is unaffected. View privacy policy