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Both calculators run independently — change the inputs on either side to compare results.

Invoice Total Calculator (Discount, Tax & Shipping)

Build a client invoice total from a subtotal by applying an early-payment or volume discount, adding sales tax or VAT, and including a shipping or handling fee.

Invoice Subtotal ($)

Discount (%)

Tax / VAT Rate (%)

Shipping / Handling ($)

Business

Sales Commission Calculator

Compute a sales rep's earned commission, including tiered rates above quota and a recoverable draw offset. Use it at pay period close to verify payouts or to model compensation plan changes before rolling them out.

Total Sales Amount ($)

Base Commission Rate (%)

Bonus Threshold ($)

Bonus Rate (Above Threshold) (%)

Commission Cap ($)

Key differences

	Invoice Total Calculator (Discount, Tax & Shipping)	Sales Commission Calculator
Category	Business	Business
Inputs required	4	5
Result	Invoice Total ($)	Total Commission ($)
What it does	Build a client invoice total from a subtotal by applying an early-payment or volume discount, adding sales tax or VAT, and including a shipping or handling fee.	Compute a sales rep's earned commission, including tiered rates above quota and a recoverable draw offset. Use it at pay period close to verify payouts or to model compensation plan changes before rolling them out.