ממיר קצב ריצה ומנבא זמן מרוץ

One Rep Max (1RM) Calculator + % Chart

Estimate your 1RM with 5 formulas (Epley, Brzycki, Lombardi, O'Conner, Wathan) and a full %1RM training chart.

Barbell Plate Loading Calculator (kg / lb)

Plate math for any target weight, with available plate inventory, in kg or lb — for Olympic, women's and trap bars.

Wilks, DOTS & IPF GL Powerlifting Score Calculator

Compare powerlifting totals across weight classes with Wilks, DOTS and IPF GL coefficients.

Macros from Calories Calculator (P / F / C in g)

Calculate grams of protein, fat and carbs from any calorie target with keto, balanced and high-protein presets.

Heart Rate, FTP & Pace Training Zone Calculator

Generate Z1–Z5 training zones from threshold heart rate, FTP or threshold pace for running, cycling and rowing.

Cycling Power to Speed Calculator

Estimate cycling speed from watts using bike weight, gradient, wind and surface drag.