เปรียบเทียบส่วนลดเป็นเปอร์เซ็นต์หรือคงที่ และตรวจสอบจำนวนเงินหลังส่วนลด ภาษีเสริมสามารถคำนวณก่อนหรือหลังส่วนลดได้
Percentage discount = original amount × discount %. Fixed discount is limited to the original amount.
Select discount-before-tax to reduce the taxable base, or after-tax to subtract the discount from the tax-inclusive total.
Compare discount scenarios before recording an agreed discount on an invoice.
You can calculate either order here. The invoice editor supports discounts before tax; after-tax results are for reference and are not imported as invoice settings.
The calculation caps the discount at the original amount.
Calculations are estimates for billing workflows. Check inputs and agreed terms before using results on an invoice.
