420calc/spend.html at main · LJrobinson/420calc · GitHub

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<!doctype html>
<html lang="en">
<head>
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  <meta name="description" content="Estimate cannabis daily, weekly, monthly, and yearly spend, grams per year, and cost per gram from purchase habits.">
  <title>Yearly Cannabis Spend Calculator | 420Calc</title>
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<body data-page="spend">
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  </header>

  <main class="page">
    <section class="page-title" aria-labelledby="page-title">
      <h1 id="page-title">Yearly Spend Calculator</h1>
      <p>Normalize purchase habits into daily, weekly, monthly, yearly, grams-per-year, and cost-per-gram estimates.</p>
    </section>

    <section class="calculator-shell" aria-label="Yearly spend calculator">
      <div class="panel">
        <div class="panel-header">
          <h2>Inputs</h2>
        </div>
        <form class="calc-form" id="spend-form">
          <div class="field">
            <label for="spend-amount">Spend amount</label>
            <div class="input-wrap prefix">
              <span class="input-prefix" aria-hidden="true">$</span>
              <input id="spend-amount" name="spend-amount" type="number" inputmode="decimal" min="0" step="0.01" value="60">
            </div>
          </div>

          <div class="field">
            <label for="spend-frequency">Spend frequency</label>
            <select id="spend-frequency" name="spend-frequency">
              <option value="daily">Daily</option>
              <option value="weekly" selected>Weekly</option>
              <option value="biweekly">Biweekly</option>
              <option value="monthly">Monthly</option>
              <option value="yearly">Yearly</option>
            </select>
          </div>

          <div class="field">
            <label for="spend-grams">Average grams per purchase</label>
            <div class="input-wrap suffix">
              <input id="spend-grams" name="spend-grams" type="number" inputmode="decimal" min="0" step="0.01" value="7">
              <span class="input-suffix" aria-hidden="true">g</span>
            </div>
          </div>

          <div class="field">
            <label for="purchase-frequency">Purchase frequency</label>
            <select id="purchase-frequency" name="purchase-frequency">
              <option value="daily">Daily</option>
              <option value="weekly" selected>Weekly</option>
              <option value="biweekly">Biweekly</option>
              <option value="monthly">Monthly</option>
              <option value="yearly">Yearly</option>
            </select>
          </div>

          <div class="form-actions">
            <button class="button secondary" id="reset-results" type="button">Reset</button>
            <button class="button" id="copy-results" type="button">Copy Results</button>
          </div>
        </form>
      </div>

      <div class="panel" id="spend-results">
        <div class="panel-header">
          <h2>Results</h2>
        </div>
        <div class="results">
          <div class="result-hero" data-copy-row>
            <span data-label>Yearly spend note</span>
            <strong id="spend-note" class="rating" data-value>Moderate yearly spend</strong>
            <p>Based on normalized estimated yearly spend.</p>
          </div>

          <div class="result-grid">
            <div class="result-item" data-copy-row>
              <span data-label>Estimated daily spend</span>
              <strong id="spend-daily" data-value>$0.00</strong>
            </div>
            <div class="result-item" data-copy-row>
              <span data-label>Estimated weekly spend</span>
              <strong id="spend-weekly" data-value>$0.00</strong>
            </div>
            <div class="result-item" data-copy-row>
              <span data-label>Estimated monthly spend</span>
              <strong id="spend-monthly" data-value>$0.00</strong>
            </div>
            <div class="result-item" data-copy-row>
              <span data-label>Estimated yearly spend</span>
              <strong id="spend-yearly" data-value>$0.00</strong>
            </div>
            <div class="result-item" data-copy-row>
              <span data-label>Estimated grams per year</span>
              <strong id="spend-grams-year" data-value>0g</strong>
            </div>
            <div class="result-item" data-copy-row>
              <span data-label>Estimated cost per gram</span>
              <strong id="spend-cost-gram" data-value>$0.00</strong>
            </div>
          </div>
        </div>
      </div>
    </section>

    <details class="formula-panel">
      <summary>Formula &amp; Assumptions</summary>
      <div class="formula-content">
        <p>All spend and gram inputs are normalized to a daily estimate, then expanded back into weekly, monthly, and yearly estimates.</p>
        <ul>
          <li>Daily = amount</li>
          <li>Weekly = amount x 52 / 365</li>
          <li>Biweekly = amount x 26 / 365</li>
          <li>Monthly = amount x 12 / 365</li>
          <li>Yearly = amount / 365</li>
          <li>Yearly spend = daily spend x 365</li>
          <li>Cost per gram = yearly spend / estimated grams per year</li>
        </ul>
      </div>
    </details>
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      <span>&copy; 2007-2026 Washed Limited Co.</span>
      <span>420Calc spend planning desk.</span>
      <span class="disclaimer">Calculations are estimates only and are not legal, tax, regulatory, labeling, or compliance advice.</span>
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