Calculator directory

Tools for clearer decisions

Free business tools with clear formulas and useful examples.

Business calculators

Free tools for clearer pricing, cost, and profit decisions.

Calculate profit, margin, and markup from revenue and included costs.

Find a selling price that meets your target margin, rounded upward to the nearest cent.

Find the revenue per advertising dollar needed to cover contribution costs and ad spend.

Estimate US Etsy order fees and contribution profit after included costs.