- Equation
- S = 10^(A × (log₁₀(bw / b))²) for bw ≤ b, else 1; Sinclair total = total × S
- Variables
- S
- Sinclair coefficient.
- total
- Snatch + clean & jerk, in kilograms.
- bw
- Bodyweight in kilograms.
- A
- Published constant for sex.
- b
- Reference bodyweight for sex, in kilograms.
- Year
- 2021
- Authors
- Sinclair, R. G.; International Weightlifting Federation
- Source
- IWF Sinclair Coefficients, Olympiad 2021–2024
- DOI
- None
- Notes
- Official IWF coefficients for 1 January 2021–31 December 2024 (men A=0.722762521, b=193.609 kg; women A=0.787004341, b=153.757 kg). For snatch + clean & jerk totals.