Invoice Total Calculator
Calculate invoice total after discount, tax, and shipping.
Discount Amount = Subtotal × Discount %
Tax = Discounted Subtotal × Tax %
Total = Discounted Subtotal + Tax + Shipping
If subtotal is 1,000, discount is 5%, and tax is 18%, total before shipping is 1,121.
Enter the requested values, then the calculator applies the formula and shows the main result, supporting result, and formula used.
Use this calculator for pricing, sales planning, stock decisions, business reporting, and simple financial checks.
Common mistakes include mixing revenue with profit, using the wrong period, forgetting costs, and not checking the formula assumptions.
Examples
Example 1
If subtotal is 1,000, discount is 5%, and tax is 18%, total before shipping is 1,121.
Use the calculator above for your own numbers.Example 2
Change the inputs to test another business scenario.
Results update instantly.Example 3
Compare different values to understand the effect on the final answer.
Useful for planning.When to Use This Calculator
- Business planning
- Pricing decisions
- Sales and inventory checks
- Profit review
- Simple reporting
How It Works
- Enter your figures.
- Click calculate or edit values.
- Review the result and formula used.
Common Mistakes
- Using the wrong period
- Forgetting some costs
- Confusing markup and margin
- Rounding too early
Related Calculators
Frequently Asked Questions
What is the Invoice Total Calculator?
It is a free online tool for calculating this business figure quickly using a simple formula.
Can I use this calculator for my business?
Yes. It is useful for quick estimates, but you should review important decisions with your accountant or advisor.
Can I change the currency?
Yes. Where money values are used, you can select common currencies such as USD, UGX, GBP, and EUR.
Are the results instant?
Yes. The calculator updates when you enter or change values.
Is this a replacement for accounting software?
No. It is a simple calculation tool for estimates and checks.