Invoice Total Calculator
Line totals, tax, discount and the amount due.
Enter your values
Enter the hours or units you are working with.
Enter the rate in $.
Enter the discount in %.
Enter the tax / vat in %.
Enter the deposit already paid in $.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Subtotal
- $2850
- Discount
- −$142.5
- Tax
- $541.5
- Invoice total
- $3249
- Balance due after deposit
- $2749
Quick answer
Invoice total is quantity × rate, less any discount, plus tax, less any deposit already received.
At a glance
| What it does | Line totals, tax, discount and the amount due. |
|---|---|
| Category | Business |
| Inputs needed | Hours or units, Rate, Discount, Tax / VAT, Deposit already paid |
| Main output | Subtotal |
| Cost | Free — no sign-up, no download |
How to use the Invoice Total Calculator
- 1Enter billable hours or units and your rate.
- 2Apply any discount and tax.
- 3Subtract a deposit to get the balance due.
Inputs explained
- Hours or units
- Enter the hours or units you are working with.
- Rate($)
- Enter the rate in $.
- Discount(%)
- Enter the discount in %.
- Tax / VAT(%)
- Enter the tax / vat in %.
- Deposit already paid($)
- Enter the deposit already paid in $.
Worked example
Using the values the calculator loads with:
Inputs
- Hours or units38
- Rate75 $
- Discount5 %
- Tax / VAT20 %
- Deposit already paid500 $
Results
- Subtotal$2850
- Discount−$142.5
- Tax$541.5
- Invoice total$3249
- Balance due after deposit$2749
Frequently asked questions
Is tax charged on the discounted amount?
Yes. Discount first, then apply tax to the net figure — that's standard practice and what tax authorities expect.
What payment terms should I use?
Net 14 or Net 30 are common. Shorter terms with a late fee clause noticeably improve payment times for freelancers.
What do I need to enter into the Invoice Total Calculator?
Just 5 values: hours or units, rate, discount, tax / vat, deposit already paid. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Invoice Total Calculator work out the answer?
Invoice total is quantity × rate, less any discount, plus tax, less any deposit already received. The working is shown step by step so you can verify the result by hand.
Is the Invoice Total Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.