[ ['min' => 0, 'max' => 100, 'rate' => 30], ['min' => 101, 'max' => 500, 'rate' => 40] ], 'tech' => [ ['min' => 0, 'max' => 50, 'rate' => 100], ['min' => 51, 'max' => 200, 'rate' => 120] ] ]; if ($_SERVER['REQUEST_METHOD'] === 'POST') { // Get and sanitize inputs $traffic = (int)sanitizeInput($_POST['traffic']); $conversionRate = (float)sanitizeInput($_POST['conversion']); $niche = sanitizeInput($_POST['niche']); $expenses = (float)sanitizeInput($_POST['expenses']); // Calculate sales $sales = $traffic * ($conversionRate / 100); // Calculate tiered earnings $grossEarnings = 0; foreach ($commissionTiers[$niche] as $tier) { if ($sales > $tier['min']) { $salesInTier = min($sales, $tier['max']) - $tier['min']; $grossEarnings += $salesInTier * $tier['rate']; } } // Final calculations $netEarnings = $grossEarnings - $expenses; $epc = ($traffic > 0) ? $grossEarnings / $traffic : 0; } ?> Affiliate Calculator

Affiliate Earnings Calculator

Include ads, tools, etc.

Results

Gross Earnings: $

Net Profit: $

Earnings Per Click (EPC): $