Business
Invoice Calculator
Build an invoice total from labour, materials, discount, tax and deposit.
Result
Tax is applied after the discount, which is standard in most jurisdictions. Some regions require tax on the pre-discount amount for certain discount types. Check locally.
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About this calculator
Should I take a deposit?
On any job with significant material cost, yes. It funds the materials and reduces the working capital the job consumes before you get paid.
When should I invoice?
The day the work is finished. Every day of delay pushes payment out by at least that long, and invoices sent at month end all compete for the customer's attention at once.
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