Toolkits
Calculators grouped by the job you’re doing, in the order you’d use them, with a short guide to each step. Country toolkits use that country’s current tax rules and currency.
By job
- Freelancer toolkitEvery calculator a freelancer needs, in the order you'll use them: from setting a rate to setting aside tax.18 tools
- SaaS metrics toolkitCalculators for the metrics founders and investors actually ask about, grouped the way a board deck is.15 tools
- AI cost toolkitEstimate what an AI feature will cost before it reaches production, from tokens to vector storage.9 tools
- Developer toolkitThe small conversions developers look up every week, each with the formula shown.15 tools
- Business math toolkitThe everyday calculations behind pricing, costs and money decisions.18 tools
By country
- United StatesQuarterly estimated tax, self-employment tax and the S corp question for 1099 freelancers.6 tools
- United KingdomSelf Assessment tax, National Insurance, VAT and day rates for UK sole traders.6 tools
- PakistanSalary tax, platform fees, foreign payments and zakat for Pakistan.6 tools
- Saudi ArabiaEnd-of-service pay, VAT, zakat and financing for people working in Saudi Arabia.6 tools
- IndiaOld vs new regime tax, presumptive tax for freelancers, and the cost of getting paid from abroad.5 tools
- AustraliaIncome tax, Medicare, GST and day rates for Australian contractors.6 tools
- CanadaGST/HST by province, rates and invoicing for Canadian freelancers.6 tools
- UAEGratuity, corporate tax for freelancers, VAT and financing in the UAE.6 tools
- PhilippinesThe 8% tax choice, platform fees and foreign payments for Filipino freelancers.6 tools
- NigeriaThe new 2026 tax bands, rent relief and getting paid from abroad in Nigeria.5 tools
- New ZealandIncome tax, ACC, GST and day rates for New Zealand contractors.6 tools