Free Commercial Tools for Profit-Driven Brands
Calculators for pricing, discounting, shipping and unit economics, built by the WOMD growth team. No signup, no paywall.
Optimal Discount Calculator
Find the sitewide or single-product discount that earns the highest net profit. Models conversion uplift, margins, free shipping and ad spend.
Open tool →Tiered Discount Calculator
Design buy-more-save-more offers that actually add profit. Compare tiers side by side on margin, conversion and profit per 1,000 sessions.
Open tool →Free Shipping Threshold Calculator
Work out the cart value where free shipping pays for itself through higher order values and conversion.
Open tool →Shipping Pricing Optimizer
Test flat-rate and threshold shipping prices against real conversion data to find the most profitable setup.
Open tool →Discount vs Sell-Through Calculator
Clearing stock? Balance discount depth, sell-through speed and cash recovered to pick the smartest markdown.
Open tool →Unit Economics Calculator
Work out contribution margin, gross margin, markup and profit after CAC per unit, plus the price you need to hit a target margin.
Open tool →Landed Cost Calculator
Calculate true per-unit landed cost across currencies, duties, freight and packaging, then price each channel to a target margin.
Open tool →COGS Calculator
Build up your true cost of goods per unit from components, packaging, labour, freight and MOQ, with a full cost breakdown.
Open tool →Cash Conversion Cycle Calculator
Turn your DIO, DSO and DPO into a cash conversion cycle, the working capital it locks up, and the maximum growth rate your margin can self-fund.
Open tool →Ecommerce Growth Calculator
Model revenue, retention, inventory, profit and cash flow month by month, size the capital your growth needs, and compare base, best and worst-case scenarios.
Open tool →Creative Volume Calculator
Work out how many new ad creatives you need to launch to hit a revenue target, based on your hit rate and the revenue a winning ad is worth.
Open tool →CRO ROI Calculator
See the extra revenue and profit a conversion-rate uplift adds on your existing traffic, plus the ROI and payback on your CRO investment.
Open tool →MER Calculator
Work out your blended marketing efficiency ratio (total revenue over total spend), benchmark it, and see your spend split by channel and category.
Open tool →aMER Calculator
Measure your acquisition marketing efficiency ratio, new-customer CAC and AOV, and see which channels your acquisition spend is going to.
Open tool →Shopify Cart URL Generator
Build a Shopify cart permalink that pre-fills the cart with specific variants, applies a discount code, sets checkout options and adds UTM tags.
Open tool →MERman
A retro arcade game for marketers who have seen things. Collect the gems, dodge the algorithm, try not to get your ad account disabled.
Play →