Calculator template

Contribution Margin Template

Measure contribution dollars and contribution margin from price, variable cost, and fee assumptions.

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

Inputs

What people fill out

  • Sale price

    Uses sale_price in formulas, starts as a currency field, and begins at 65.

  • Variable cost

    Uses variable_cost in formulas, starts as a currency field, and begins at 24.

  • Fee rate

    Uses fee_rate in formulas, starts as a percent field, and begins at 4.5.

Outputs

What the template calculates

  • Contribution dollars

    Format currency

    Result style primary

    Formula sale_price - variable_cost - (sale_price * fee_rate)

    Contribution left after variable cost and one fee percentage.

  • Contribution margin

    Format percent

    Result style metric

    Formula (sale_price - variable_cost - (sale_price * fee_rate)) / sale_price

    Contribution as a share of revenue.

Use cases

When this template helps

  • See what each sale contributes after variable costs and fees.
  • Use contribution math before break-even or forecasting work.
  • Create a clean unit-economics starting point in the builder.

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 contribution margin 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.