Business calculators.

Margin, markup and gross profit in one place.

Convert cost into selling price with markup math.

Set a price that respects fees, cost and target margin.

Estimate real profit after fees, shipping, and ad spend.

See what you really keep after platform, payment, shipping, and ad costs.

Model one Etsy order's fees and contribution.

Model one Shopify order's fees and contribution.

See the number of units and revenue required.

Monthly payment, interest, payoff date and schedule.

Estimate mortgage payments from home price and term.

Plan business loan payments and interest.

Track payoff time and interest with extra payments.

50-state sales tax for U.S. business use cases.

Add or extract Canadian GST/HST.

Model Quebec tax for quotes and invoices.

Add or extract UK VAT.

Calculate Australian GST from base or total.

Estimate federal income tax and self-employment tax on 1099 income.

Convert income goals into an hourly rate.

Price contractor work with taxes and utilization.

Convert hourly pay into annual compensation.

Estimate launch budget and runway needs.

Investments, contributions and growth curves.

Calculate PayPal fees and the amount to charge so you receive what you need.

Calculate Stripe processing fees and gross-up amounts for any transaction.

Estimate an eBay final value fee and order contribution.

Estimate Amazon referral, fulfillment, and ad cost impact on profit.

Find break-even ROAS and max CPA after fees and fulfillment costs.