Back to The Fashion E-commerce Growth System

6 Calculators

Interactive Calculators

Model your revenue metrics in real time. Adjust the inputs to see how pipeline coverage, deal velocity, and compensation scenarios change for fashion & apparel e-commerce.

A/B Test Statistical Significance Calculator

Determine if your A/B test results are statistically significant and how long to run your test for reliable results.

Inputs

Control Variation Visitors5,000

Control Variation Conversions100

Test Variation Visitors5,000

Test Variation Conversions125

Confidence Level—

Results

Control Conversion Rate

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Variant Conversion Rate

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Relative Lift

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Absolute Lift

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Z-Score

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Minimum Sample per Variation

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fashion conversion rate Benchmarks

0: 11: .2: 53: -4: 25: .6: 57: %

strong performance Benchmarks

0: 31: -2: 53: %

minimum test duration Benchmarks

0: 21: 2: w3: e4: e5: k6: s

Bundle Pricing & Margin Calculator

Calculate optimal bundle pricing that maximizes AOV while preserving healthy margins on complete-the-look and multi-product bundles.

Inputs

Product A Price ($)$45

Product A COGS ($)$18

Product B Price ($)$65

Product B COGS ($)$26

Product C Price ($)$35

Product C COGS ($)$14

Bundle Discount (%)15%

Shipping Savings per Bundle ($)$5

Results

Individual Purchase Total

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Bundle Price

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Customer Savings

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Bundle Margin ($)

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Bundle Margin %

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% of Individual Margin Preserved

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bundle discount range Benchmarks

0: 11: 02: -3: 24: 05: %

target margin Benchmarks

0: 51: 52: %3: +

aov lift target Benchmarks

0: 31: 02: -3: 64: 05: %

Cash Flow Forecast for Fashion E-commerce

Project your 6-month cash position accounting for seasonality, inventory purchases, and marketing spend in a fashion e-commerce business.

Inputs

Starting Cash Balance ($)$100,000

Month 1 Revenue ($)$80,000

Month 2 Revenue ($)$85,000

Month 3 Revenue ($)$95,000

Month 4 Revenue ($)$110,000

Month 5 Revenue ($)$130,000

Month 6 Revenue ($)$150,000

Gross Margin (%)55%

Marketing Spend (% of Revenue)20

Monthly Fixed Operating Costs ($)$15,000

Months with Inventory Purchases—

Inventory Purchase Amount ($)$40,000

Results

Month 1 Cash Balance

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Month 2 Cash Balance

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Month 3 Cash Balance

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Month 4 Cash Balance

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Month 5 Cash Balance

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Month 6 Cash Balance

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Lowest Cash Point

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6-Month Net Cash Flow

—

healthy reserve Benchmarks

0: 61: 2: m3: o4: n5: t6: h7: s8: 9: f10: i11: x12: e13: d14: 15: c16: o17: s18: t19: s

minimum reserve Benchmarks

0: 31: 2: m3: o4: n5: t6: h7: s8: 9: f10: i11: x12: e13: d14: 15: c16: o17: s18: t19: s

inventory to revenue Benchmarks

0: 21: 02: -3: 34: 05: %

marketing to revenue Benchmarks

0: 11: 52: -3: 24: 55: %

Influencer Partnership ROI Calculator

Calculate the return on investment for influencer partnerships including product gifting, flat fees, commission, and content value.

Inputs

Product Cost (Gifted) ($)$150

Flat Fee Paid ($)$500

Commission Rate (%)15%

Tracked Revenue from Partnership ($)$3,000

Estimated Total Attributed Revenue ($)$4,500

Content Pieces Received4

Estimated Content Value per Piece ($)$250

Results

Total Investment

—

Direct ROAS (Tracked)

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Attributed ROAS (Estimated)

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Content Asset Value

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Blended ROI (including content value)

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Cost per Content Piece

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micro influencer avg Benchmarks

0: 21: -2: 43: x4: 5: R6: O7: A8: S

macro influencer avg Benchmarks

0: 11: -2: 33: x4: 5: R6: O7: A8: S

ugc content value Benchmarks

0: $1: 22: 03: 04: -5: 56: 07: 08: 9: p10: e11: r12: 13: p14: i15: e16: c17: e

target roi Benchmarks

0: 31: 02: 03: %4: +

Return Rate Reduction Impact Calculator

Calculate the revenue and profit impact of reducing your return rate through sizing quizzes, fit guides, and return prevention systems.

Inputs

Monthly Revenue ($)$100,000

Current Return Rate (%)30%

Target Return Rate (%)20%

Return Processing Cost per Unit ($)$15

% of Returns Resold at Full Price60

Results

Current Monthly Return Value

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Target Monthly Return Value

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Monthly Savings

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Annual Savings

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ROI Multiplier (on 2% investment)

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excellent Benchmarks

0: 11: 02: -3: 14: 55: %

average Benchmarks

0: 11: 52: -3: 24: 55: %

problematic Benchmarks

0: 21: 52: -3: 34: 55: %

critical Benchmarks

0: 31: 52: %3: +

Unit Economics & Profitability Calculator

Calculate true per-unit profitability including all costs: COGS, shipping, payment processing, returns, and acquisition.

Inputs

Selling Price ($)$85

Cost of Goods Sold ($)$35

Shipping to Customer ($)$8

Packaging Cost ($)$3

Payment Processing Rate (%)2.9%

Payment Processing Fixed Fee ($)$0.3

Return Rate (%)25%

Return Processing Cost ($)$12

Blended Customer Acquisition Cost ($)$25

Results

Gross Margin per Unit

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Gross Margin %

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Contribution Margin per Unit

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Contribution Margin %

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CAC Payback (orders)

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3-Purchase LTV Net

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5-Purchase LTV Net

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Breakeven ROAS

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premium brand margin Benchmarks

0: 61: 52: -3: 74: 55: %

mid market margin Benchmarks

0: 51: 02: -3: 64: 55: %

value brand margin Benchmarks

0: 31: 52: -3: 54: 05: %

target roas Benchmarks

0: 31: .2: 03: x4: -5: 46: .7: 08: x