Home » Fitness Strategies Network » Circle Equation Calculator Circle Equation Calculator Sarah Jenkins • Sep 27, 2026 • 2 min read Circle Equation Calculator Find the equation of the circle withcenter (h,k) = (0,0) and radius r = 8Standard Circle Equation:(x - h)2 + (y - k)2 = r2Plugging in our numbers, we get:(x - 0)2 + (y - 0)2 = 82(x - 0)2 + (y - 0)2 = 64 Share Article: Facebook Twitter WhatsApp Telegram Author Sarah Jenkins Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.