Skip to main content
Primary formula: crossover sales = fixed fee difference / transaction-rate saving

Educational only: Business decision support, not accounting, tax or legal advice.

Privacy: No account is required. Tool inputs and results stay in this browser. Anonymous categorical usage analytics send only governed page, tool, cluster and action identifiers; tool inputs and results are never sent. Error monitoring is disabled. Optional saved state stays only on this device.

Update policy: Reviewed when formulas or official dependencies change.

Scope: Market-neutral small-business planning using your own assumptions.

What this planner helps you decide

Best for

Online sellers deciding whether a higher monthly platform plan earns back its fixed fee.

Outputs

Total plan fees, retained contribution, fee saving and crossover monthly sales.

Start here

Enter the current plan prices and transaction charges shown in your own eligible market.

Use a different tool when: Do not use this to compare two payment fee structures at an expected transaction volume; use Payment Processing Fee Comparison for that decision. Use this tool to find the sales level where a higher fixed-fee platform plan pays back.

Commerce & operations

Commerce Platform Plan Break-even: total plan fees

Total plan fees, retained contribution, fee saving and crossover monthly sales.

Amounts use the same currency as your inputs. No currency conversion is performed.

Commerce Platform Plan Break-even

Find the sales level where a higher fixed-fee platform plan pays back. The starting numbers are illustrative only—replace every fee and rate with the current terms in your own provider contract.

Your numbers stay in this browser

currency units

Sales processed through the platform. Enter the amount on one consistent ex-tax market-currency basis.

Whole orders per month.

currency units

Monthly contribution before plan fees. Enter the amount on one consistent ex-tax market-currency basis.

currency units

Entered basic plan fee. Enter the amount on one consistent ex-tax market-currency basis.

%

Entered basic transaction fee.

currency units

Basic fixed fee per order. Enter the amount on one consistent ex-tax market-currency basis.

currency units

Entered advanced plan fee. Enter the amount on one consistent ex-tax market-currency basis.

%

Entered advanced transaction fee.

currency units

Advanced fixed fee per order. Enter the amount on one consistent ex-tax market-currency basis.

Decision result

Each output is bound to its registered ecommerce engine formula.

Preparing export actions…
Basic Total Fees Ex Tax
1,050.00
Advanced Total Fees Ex Tax
850.00
Fee Saving Ex Tax
200.00
Basic Retained Contribution Ex Tax
18,950.00
Advanced Retained Contribution Ex Tax
19,150.00
Monthly sales crossover
30,000.00

Scenario comparison

Each row names the assumption axis changed from the baseline.

ScenarioResultDifference
Current scenario30,000.00Baseline
Lower Monthly sales30,000.000.00
Higher Monthly sales30,000.000.00

Save these results, change an input, then compare the updated figures with this baseline.

The baseline is temporary in this tab and is not added to shared scenario links or generated reports.

Calculation details

View calculation detailsView the formulas and inputs used for these results.

Basic Total Fees Ex Tax

Basic Total Fees Ex Taxbasic fixed fee + sales fee + order fees1,050.00
Result1,050.00

Reports money for the entered planning period using the declared ex-tax cost and revenue basis. The engine retains full precision; presentation rounding does not feed calculation.

Commerce Platform Plan Break-even Planner formulas
Inputs used by these formula steps
Basic Total Fees Ex TaxMonthly Sales Ex Tax
50,000
Basic Total Fees Ex TaxMonthly Orders
500
Basic Total Fees Ex TaxContribution Before Platform Fees Ex Tax
20,000
Basic Total Fees Ex TaxBasic Monthly Fee Ex Tax
50
Basic Total Fees Ex TaxBasic Transaction Fee Rate
0.02
Basic Total Fees Ex TaxBasic Fixed Fee Per Order Ex Tax
0
Basic Total Fees Ex TaxAdvanced Monthly Fee Ex Tax
350
Basic Total Fees Ex TaxAdvanced Transaction Fee Rate
0.01
Basic Total Fees Ex TaxAdvanced Fixed Fee Per Order Ex Tax
0

Advanced Total Fees Ex Tax

Advanced Total Fees Ex Taxadvanced fixed fee + sales fee + order fees850.00
Result850.00

Reports money for the entered planning period using the declared ex-tax cost and revenue basis. The engine retains full precision; presentation rounding does not feed calculation.

Commerce Platform Plan Break-even Planner formulas
Inputs used by these formula steps
Advanced Total Fees Ex TaxMonthly Sales Ex Tax
50,000
Advanced Total Fees Ex TaxMonthly Orders
500
Advanced Total Fees Ex TaxContribution Before Platform Fees Ex Tax
20,000
Advanced Total Fees Ex TaxBasic Monthly Fee Ex Tax
50
Advanced Total Fees Ex TaxBasic Transaction Fee Rate
0.02
Advanced Total Fees Ex TaxBasic Fixed Fee Per Order Ex Tax
0
Advanced Total Fees Ex TaxAdvanced Monthly Fee Ex Tax
350
Advanced Total Fees Ex TaxAdvanced Transaction Fee Rate
0.01
Advanced Total Fees Ex TaxAdvanced Fixed Fee Per Order Ex Tax
0

Fee Saving Ex Tax

Fee Saving Ex Taxbasic fees − advanced fees200.00
Result200.00

Reports money for the entered planning period using the declared ex-tax cost and revenue basis. The engine retains full precision; presentation rounding does not feed calculation.

Commerce Platform Plan Break-even Planner formulas
Inputs used by these formula steps
Fee Saving Ex TaxMonthly Sales Ex Tax
50,000
Fee Saving Ex TaxMonthly Orders
500
Fee Saving Ex TaxContribution Before Platform Fees Ex Tax
20,000
Fee Saving Ex TaxBasic Monthly Fee Ex Tax
50
Fee Saving Ex TaxBasic Transaction Fee Rate
0.02
Fee Saving Ex TaxBasic Fixed Fee Per Order Ex Tax
0
Fee Saving Ex TaxAdvanced Monthly Fee Ex Tax
350
Fee Saving Ex TaxAdvanced Transaction Fee Rate
0.01
Fee Saving Ex TaxAdvanced Fixed Fee Per Order Ex Tax
0

Basic Retained Contribution Ex Tax

Basic Retained Contribution Ex Taxpre-fee contribution − basic fees18,950.00
Result18,950.00

Reports money for the entered planning period using the declared ex-tax cost and revenue basis. The engine retains full precision; presentation rounding does not feed calculation.

Commerce Platform Plan Break-even Planner formulas
Inputs used by these formula steps
Basic Retained Contribution Ex TaxMonthly Sales Ex Tax
50,000
Basic Retained Contribution Ex TaxMonthly Orders
500
Basic Retained Contribution Ex TaxContribution Before Platform Fees Ex Tax
20,000
Basic Retained Contribution Ex TaxBasic Monthly Fee Ex Tax
50
Basic Retained Contribution Ex TaxBasic Transaction Fee Rate
0.02
Basic Retained Contribution Ex TaxBasic Fixed Fee Per Order Ex Tax
0
Basic Retained Contribution Ex TaxAdvanced Monthly Fee Ex Tax
350
Basic Retained Contribution Ex TaxAdvanced Transaction Fee Rate
0.01
Basic Retained Contribution Ex TaxAdvanced Fixed Fee Per Order Ex Tax
0

Advanced Retained Contribution Ex Tax

Advanced Retained Contribution Ex Taxpre-fee contribution − advanced fees19,150.00
Result19,150.00

Reports money for the entered planning period using the declared ex-tax cost and revenue basis. The engine retains full precision; presentation rounding does not feed calculation.

Commerce Platform Plan Break-even Planner formulas
Inputs used by these formula steps
Advanced Retained Contribution Ex TaxMonthly Sales Ex Tax
50,000
Advanced Retained Contribution Ex TaxMonthly Orders
500
Advanced Retained Contribution Ex TaxContribution Before Platform Fees Ex Tax
20,000
Advanced Retained Contribution Ex TaxBasic Monthly Fee Ex Tax
50
Advanced Retained Contribution Ex TaxBasic Transaction Fee Rate
0.02
Advanced Retained Contribution Ex TaxBasic Fixed Fee Per Order Ex Tax
0
Advanced Retained Contribution Ex TaxAdvanced Monthly Fee Ex Tax
350
Advanced Retained Contribution Ex TaxAdvanced Transaction Fee Rate
0.01
Advanced Retained Contribution Ex TaxAdvanced Fixed Fee Per Order Ex Tax
0

Monthly sales crossover

Crossover Monthly Sales Ex Taxfixed fee difference / transaction-rate saving30,000.00
Result30,000.00

Reports money for the entered planning period using the declared ex-tax cost and revenue basis. The engine retains full precision; presentation rounding does not feed calculation.

Commerce Platform Plan Break-even Planner formulas
Inputs used by these formula steps
Crossover Monthly Sales Ex TaxMonthly Sales Ex Tax
50,000
Crossover Monthly Sales Ex TaxMonthly Orders
500
Crossover Monthly Sales Ex TaxContribution Before Platform Fees Ex Tax
20,000
Crossover Monthly Sales Ex TaxBasic Monthly Fee Ex Tax
50
Crossover Monthly Sales Ex TaxBasic Transaction Fee Rate
0.02
Crossover Monthly Sales Ex TaxBasic Fixed Fee Per Order Ex Tax
0
Crossover Monthly Sales Ex TaxAdvanced Monthly Fee Ex Tax
350
Crossover Monthly Sales Ex TaxAdvanced Transaction Fee Rate
0.01
Crossover Monthly Sales Ex TaxAdvanced Fixed Fee Per Order Ex Tax
0

Inputs used

Monthly sales
50,000.00
Monthly orders
500
Contribution before platform fees
20,000.00
Basic monthly fee
50.00
Basic transaction rate
2%
Basic fixed order fee
0.00
Advanced monthly fee
350.00
Advanced transaction rate
1%
Advanced fixed order fee
0.00
Open this calculator with preset values

This calculator supports documented, shareable scenario URLs. Compatible assistants and applications can construct links using the parameters below.

Scenario links contain only allowlisted numeric and closed-choice inputs shown in the URL; Margin101 excludes free text and identifying fields. Anyone you share the URL with can read those numbers, so do not include private or identifying data.

Example: https://margin101.com/tools/platform-plan-break-even/?sv=1&advancedFixedFeePerOrderExTax=0&advancedMonthlyFeeExTax=350&advancedTransactionFeeRate=0.01&basicFixedFeePerOrderExTax=0&basicMonthlyFeeExTax=50&basicTransactionFeeRate=0.02&contributionBeforePlatformFeesExTax=20000&monthlyOrders=500&monthlySalesExTax=50000

ParameterMeaningUnitAllowed valuesPresenceDefault
advancedFixedFeePerOrderExTaxAdvanced fixed fee per order. Enter the amount on one consistent ex-tax market-currency basis.currency units/planning period, ex tax0 to 100000000Required0
advancedMonthlyFeeExTaxEntered advanced plan fee. Enter the amount on one consistent ex-tax market-currency basis.currency units/planning period, ex tax0 to 100000000Required350
advancedTransactionFeeRateEntered advanced transaction fee.proportion of sales charged as advanced-plan transaction fee0 to 1Required0.01
basicFixedFeePerOrderExTaxBasic fixed fee per order. Enter the amount on one consistent ex-tax market-currency basis.currency units/planning period, ex tax0 to 100000000Required0
basicMonthlyFeeExTaxEntered basic plan fee. Enter the amount on one consistent ex-tax market-currency basis.currency units/planning period, ex tax0 to 100000000Required50
basicTransactionFeeRateEntered basic transaction fee.proportion of sales charged as basic-plan transaction fee0 to 1Required0.02
contributionBeforePlatformFeesExTaxMonthly contribution before plan fees. Enter the amount on one consistent ex-tax market-currency basis.currency units/planning period, ex tax0 to 100000000Required20000
monthlyOrdersWhole orders per month.whole events/planning period0 to 100000000Required500
monthlySalesExTaxSales processed through the platform. Enter the amount on one consistent ex-tax market-currency basis.currency units/month, ex tax0 to 100000000Required50000

Commerce Platform Plan Break-even: total plan fees

The crossover shows the monthly sales level where the advanced plan recovers its higher fixed fee through lower transaction charges.

Formula summary

Primary formula
crossover sales = fixed fee difference / transaction-rate saving

Read the full methodology

Data used here

  • The estimate uses your inputs and the general business formula documented in the methodology.

Decision checks

Act on the result

Compare the monthly sales crossover with current monthly sales and retained contribution before upgrading or keeping the basic plan.

Stress-test the decision

Retest monthly sales in currency units per month, ex tax, and whole monthly orders on the same month basis.

When this estimate can be misleading

  • All provider fees, exchange rates, returns, demand and operating rates are user-entered scenarios.
  • Use one consistent ex-tax currency and planning period across compared inputs.
  • This is educational business decision support, not accounting, tax, legal or financial advice.
  • The crossover shows the monthly sales level where the advanced plan recovers its higher fixed fee through lower transaction charges.

Educational estimate, not advice. See all assumptions & limitations →

Guides to interpret the decision and its assumptions.

Frequently asked questions

How do I find the sales level where a higher fixed-fee platform plan pays back?

Compare the monthly sales crossover with current monthly sales and retained contribution before upgrading or keeping the basic plan.

Which planning assumptions should I stress-test?

Compare a plausible alternative scenario and verify the decision-critical assumption that changes the plan most.