Free tools by Daymark

Ecommerce ROAS Calculator

Calculate real ecommerce ROAS, break-even ROAS, and max CAC after COGS, shipping, fees, discounts, and returns.

Open tool →

Break-Even ROAS Calculator for Ecommerce

Calculate the break-even and target ROAS your store needs before you scale spend or set channel targets.

Open tool →

Ecommerce Contribution Margin Calculator

Calculate contribution margin per order, margin percentage, max CAC, and break-even order volume from real variable costs.

Open tool →

Ecommerce LTV:CAC Calculator

Calculate ecommerce LTV, margin-adjusted LTV:CAC, and CAC payback using repeat purchase assumptions.

Open tool →

Blended ROAS Calculator

Calculate blended ROAS across Google Ads, Meta Ads, and TikTok Ads, and see the gap between platform-reported and actual store revenue.

Open tool →

MER Calculator (Marketing Efficiency Ratio)

Calculate marketing efficiency ratio from total revenue and spend, then see the break-even MER you actually need at your margin, plus aMER.

Open tool →

Blended CAC Calculator for Ecommerce

Calculate true blended CAC across all channels, then check first-order profitability, CAC payback, and LTV:CAC that channel-reported CAC hides.

Open tool →

Net Profit Per Order Calculator for Shopify

Calculate true net profit per order after COGS, shipping, fees, ad spend, discounts, and returns — the number Shopify's dashboard doesn't show.

Open tool →

Returns-Adjusted ROAS Calculator

See your real ROAS and CAC after returns — the return on ad spend platforms hide because they count the sale but ignore the refund.

Open tool →

Repeat Purchase Rate Calculator

Calculate repeat purchase rate and simulate what a few points of improvement adds in yearly contribution.

Open tool →

AOV Calculator (Average Order Value + Uplift Simulator)

Calculate average order value and simulate the added monthly and annual contribution from a target AOV uplift.

Open tool →

Margin Calculator (Profit Margin + Markup)

Enter any two of cost, price, margin, or profit and get the rest, plus the equivalent markup, with gross vs net margin explained.

Open tool →

Markup Calculator (Cost to Price + Target Margin)

Turn cost and markup into a selling price, work back from price to markup, or find the markup that hits a target margin.

Open tool →

Discount Calculator (Stacked Discounts + Margin Impact)

Calculate sale price and savings from single or stacked discounts, then see how much the discount erodes your profit margin.

Open tool →