ROI Calculator& E-commerce Ads

function calcROI(adSpend, revenue, cost) {
  const profit = revenue - adSpend - cost;
  const roi = (profit / adSpend) * 100;
  const roas = revenue / adSpend;
  return { roi, roas, profit };
}

const r = calcROI(1000, 5000, 2000);
// { roi: 200, roas: 5, profit: 2000 }

def calc_roi(ad_spend, revenue, cost):
    profit = revenue - ad_spend - cost
    roi = (profit / ad_spend) * 100
    roas = revenue / ad_spend
    cpa = ad_spend / orders if orders else None
    return {
        "roi": roi,
        "roas": roas,
        "profit": profit,
        "cpa": cpa,
    }

interface CampaignMetrics {
  roi: number;    // percentage
  roas: number;   // ratio
  profit: number;
  cpa: number | null;
}

function analyze(
  adSpend: number, revenue: number,
  cost: number, orders: number,
): CampaignMetrics {
  const profit = revenue - adSpend - cost;
  return {
    roi: (profit / adSpend) * 100,
    roas: revenue / adSpend,
    profit,
    cpa: orders > 0 ? adSpend / orders : null,
  };
}

type Metrics struct {
    ROI    float64
    ROAS   float64
    Profit float64
    CPA    float64
}

func CalcROI(
    adSpend, revenue, cost float64,
    orders int,
) Metrics {
    profit := revenue - adSpend - cost
    m := Metrics{
        ROI:    profit / adSpend * 100,
        ROAS:   revenue / adSpend,
        Profit: profit,
    }
    if orders > 0 {
        m.CPA = adSpend / float64(orders)
    }
    return m
}