Want a Custom tool for Yourself?

Need a Custom Tool? We build custom tools that can save hours per employee per day.

Invoice Calculator

Create an invoice total with up to 15 line items. Enter quantity, unit price and discounts, then add delivery and VAT to get subtotal and final total.

Invoice Calculator

# Desc. Qty Price Per Discount Total
Items Sub-Total: 0.00
Delivery Charge:
Sub-Total: 0.00
VAT Rate: %
Invoice Total: 0.00

Last updated: February 13, 2026

Created by: Eon Tools Dev Team

Reviewed by: Olga Chernova



Olga Chernova

Olga Chernova is an equity research analyst and final year Economics and Finance student at the American University in Bulgaria, with hands on experience in valuation and financial modeling. She has passed CFA Level I and contributed to a 2nd place team in the 2025-2026 CFA Institute Research Challenge in Bulgaria. At Eon Tools, she reviews finance tools.

Other Tools