Sinclair Calculator

Yair Ehrenwald

About this app

Compare Olympic weightlifting totals with Sinclair Calculator.

Choose Sinclair or Sinclair Masters, male or female, and enter your bodyweight. Calculate a score from your total or from snatch and clean & jerk, or find the total needed for a target score.

Features
• Sinclair bodyweight adjustment
• Traditional Masters age factors: SMF for men and SHMF for women
• 2025–2028 and historical 2021–2024 Sinclair coefficient periods
• Score from total or two lifts
• Reverse calculation: total needed for a target score
• Recent calculations and local history
• Optional result sharing
• Offline, free, no ads or account required

Sinclair was developed by Dr. Roy Sinclair. Masters factors are credited to David Meltzer and Friedrich Faber, with women's age factors developed by Marianne Huebner, David Meltzer and Friedrich Faber.

Traditional age-factor ranges: men 30–90, women 30–80. Senior and Junior calculations use Sinclair without age adjustment. Select the coefficient period required by your event.

Independent calculator, not affiliated with or endorsed by a federation or researcher.

Support: [e-mail]

What’s new

First release of Sinclair Calculator. Calculate Sinclair and traditional Masters scores, find target totals, and keep a local calculation history. Free, offline, and no ads.