Import Duty Uk Calculator

let calculationSteps = “”; const currencySymbol = “£”, fixedCurrency = “GBP”; function calculateImportDuty(){ calculationSteps = “”; const itemValue = parseFloat(document.getElementById(“itemValue”).value); const shippingCost = parseFloat(document.getElementById(“shippingCost”).value); const insuranceCost = parseFloat(document.getElementById(“insuranceCost”).value); const dutyRate = parseFloat(document.getElementById(“dutyRate”).value) / 100; const vatRate = parseFloat(document.getElementById(“vatRate”).value) / 100; if(isNaN(itemValue) || isNaN(shippingCost) || isNaN(insuranceCost) || isNaN(dutyRate) || isNaN(vatRate) || itemValue <= 0) { alert("Please enter valid positive values for all fields."); return; } const totalValue = itemValue + shippingCost + insuranceCost; const duty = totalValue * dutyRate; const vat = (totalValue + duty) * vatRate; const totalCost = totalValue + duty + vat; document.getElementById("totalDuty").value = formatCurrency(duty); document.getElementById("totalVAT").value = formatCurrency(vat); document.getElementById("totalCost").value = formatCurrency(totalCost); calculationSteps += `Inputs:
Item Value: ${formatCurrency(itemValue)}
Shipping Cost: ${formatCurrency(shippingCost)}
Insurance Cost: ${formatCurrency(insuranceCost)}
Duty Rate: ${(dutyRate * 100).toFixed(1)}%
VAT Rate: ${(vatRate * 100).toFixed(1)}%

`; calculationSteps += `Formulas:
Total Value = Item Value + Shipping Cost + Insurance Cost
Duty = Total Value × Duty Rate
VAT = (Total Value + Duty) × VAT Rate

`; calculationSteps += `Results:
Total Duty: ${formatCurrency(duty)}
Total VAT: ${formatCurrency(vat)}
Total Cost After Duty & VAT: ${formatCurrency(totalCost)}
`; if (document.getElementById(“calculationSteps”).style.display === “block”) { document.getElementById(“calculationSteps”).innerHTML = calculationSteps; } } function resetImportDuty() { document.querySelectorAll(“#calculator input”).forEach(el => el.value = “”); calculationSteps = “”; document.getElementById(“calculationSteps”).innerHTML = “

Not calculated yet.

“; } function toggleCalculationSteps() { const s = document.getElementById(“calculationSteps”); const a = document.getElementById(“toggleArrow”); if (s.style.display === “none” || s.style.display === “”) { s.style.display = “block”; a.style.transform = “rotate(180deg)”; s.innerHTML = calculationSteps || “

Not calculated yet.

“; } else { s.style.display = “none”; a.style.transform = “rotate(0deg)”; } } function formatCurrency(n) { return currencySymbol + n.toFixed(2) + ” ” + fixedCurrency; }