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Compare the monthly sales crossover with current monthly sales and retained contribution before upgrading or keeping the basic plan.
Educational only: Business decision support, not accounting, tax or legal advice.
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Update policy: Reviewed when formulas or official dependencies change.
Scope: Market-neutral small-business planning using your own assumptions.
Online sellers deciding whether a higher monthly platform plan earns back its fixed fee.
Total plan fees, retained contribution, fee saving and crossover monthly sales.
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
Total plan fees, retained contribution, fee saving and crossover monthly sales.
Amounts use the same currency as your inputs. No currency conversion is performed.
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
Sales processed through the platform. Enter the amount on one consistent ex-tax market-currency basis.
Whole orders per month.
Monthly contribution before plan fees. Enter the amount on one consistent ex-tax market-currency basis.
Entered basic plan fee. Enter the amount on one consistent ex-tax market-currency basis.
Entered basic transaction fee.
Basic fixed fee per order. Enter the amount on one consistent ex-tax market-currency basis.
Entered advanced plan fee. Enter the amount on one consistent ex-tax market-currency basis.
Entered advanced transaction fee.
Advanced fixed fee per order. Enter the amount on one consistent ex-tax market-currency basis.
Each output is bound to its registered ecommerce engine formula.
Each row names the assumption axis changed from the baseline.
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.
basic fixed fee + sales fee + order fees1,050.00Reports 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 →advanced fixed fee + sales fee + order fees850.00Reports 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 →basic fees − advanced fees200.00Reports 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 →pre-fee contribution − basic fees18,950.00Reports 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 →pre-fee contribution − advanced fees19,150.00Reports 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 →fixed fee difference / transaction-rate saving30,000.00Reports 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 →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.
| Parameter | Meaning | Unit | Allowed values | Presence | Default |
|---|---|---|---|---|---|
| advancedFixedFeePerOrderExTax | Advanced fixed fee per order. Enter the amount on one consistent ex-tax market-currency basis. | currency units/planning period, ex tax | 0 to 100000000 | Required | 0 |
| advancedMonthlyFeeExTax | Entered advanced plan fee. Enter the amount on one consistent ex-tax market-currency basis. | currency units/planning period, ex tax | 0 to 100000000 | Required | 350 |
| advancedTransactionFeeRate | Entered advanced transaction fee. | proportion of sales charged as advanced-plan transaction fee | 0 to 1 | Required | 0.01 |
| basicFixedFeePerOrderExTax | Basic fixed fee per order. Enter the amount on one consistent ex-tax market-currency basis. | currency units/planning period, ex tax | 0 to 100000000 | Required | 0 |
| basicMonthlyFeeExTax | Entered basic plan fee. Enter the amount on one consistent ex-tax market-currency basis. | currency units/planning period, ex tax | 0 to 100000000 | Required | 50 |
| basicTransactionFeeRate | Entered basic transaction fee. | proportion of sales charged as basic-plan transaction fee | 0 to 1 | Required | 0.02 |
| contributionBeforePlatformFeesExTax | Monthly contribution before plan fees. Enter the amount on one consistent ex-tax market-currency basis. | currency units/planning period, ex tax | 0 to 100000000 | Required | 20000 |
| monthlyOrders | Whole orders per month. | whole events/planning period | 0 to 100000000 | Required | 500 |
| monthlySalesExTax | Sales processed through the platform. Enter the amount on one consistent ex-tax market-currency basis. | currency units/month, ex tax | 0 to 100000000 | Required | 50000 |
The crossover shows the monthly sales level where the advanced plan recovers its higher fixed fee through lower transaction charges.
Data used here
Compare the monthly sales crossover with current monthly sales and retained contribution before upgrading or keeping the basic plan.
Retest monthly sales in currency units per month, ex tax, and whole monthly orders on the same month basis.
Educational estimate, not advice. See all assumptions & limitations →
Guides to interpret the decision and its assumptions.
Compare platform and self-hosted delivery on aligned fees, administration, acquisition and migration assumptions.
Read guideCompare the monthly sales crossover with current monthly sales and retained contribution before upgrading or keeping the basic plan.
Compare a plausible alternative scenario and verify the decision-critical assumption that changes the plan most.