ValueQuarry Pricing, profit, and payout tools

Calculator template

Invoice Calculator Template

Customize an invoice calculator with quantity, discount, tax, shipping, and deposit inputs.

Review the inputs and formulas below, then open this template in the calculator builder to customize the field names, values, result styles, and notes.

Open this template in the calculator builder Browse all calculator templates

Inputs

What people fill out

  • Base price

    Uses base_price in formulas, starts as a currency field, and begins at 250.

  • Quantity

    Uses quantity in formulas, starts as a number field, and begins at 1.

  • Shipping or expenses

    Uses shipping in formulas, starts as a currency field, and begins at 20.

  • Discount rate

    Uses discount_rate in formulas, starts as a percent field, and begins at 10.

  • Tax rate

    Uses tax_rate in formulas, starts as a percent field, and begins at 7.

  • Deposit rate

    Uses deposit_rate in formulas, starts as a percent field, and begins at 50.

Outputs

What the template calculates

  • Invoice total

    Format currency

    Result style primary

    Formula ((base_price * quantity) + shipping) * (1 - discount_rate) * (1 + tax_rate)

    Final total after discount and tax.

  • Deposit due

    Format currency

    Result style metric

    Formula (((base_price * quantity) + shipping) * (1 - discount_rate) * (1 + tax_rate)) * deposit_rate

    Amount to collect before work starts or goods ship.

  • Balance due

    Format currency

    Result style breakdown

    Formula (((base_price * quantity) + shipping) * (1 - discount_rate) * (1 + tax_rate)) * (1 - deposit_rate)

    Remaining balance after the deposit is collected.

Use cases

When this template helps

  • Calculate invoice totals before sending a customer quote.
  • Split a total into deposit due and remaining balance.
  • Reuse a simple billing calculator for common order types.

Related

More ways to work with this math

FAQ

Quick answers

Short answers for the questions that usually come up first.

Can I edit this invoice calculator template?

Yes. Open the template in the builder, then change the labels, values, formulas, notes, or output display styles to fit your workflow.

Can I save a version after I change it?

Yes. Save it on this device, export JSON, or copy a share link after you make changes.

Can I use this as a starting point for a different calculator?

Yes. Templates are meant to be edited. Remove fields, add new ones, or swap formulas if you want a different custom calculator.