PayCalcTools

PayCalcTools is a free suite of browser-based pay calculators for employees, freelancers, and HR professionals in the US and UK. No sign-up, no ads, no data stored — everything runs locally in your browser.

Overtime Pay Calculator — Calculates total gross pay including regular and overtime hours at 1.5× and 2× rates, fully FLSA-compliant. Perfect for hourly workers and payroll managers.

Freelance Day Rate Calculator — Converts your annual income target into a precise daily and hourly freelance rate. Accounts for self-employment taxes, unpaid holidays, dry months, and business costs.

Shift Differential Pay Calculator — Calculates additional pay for nights, weekends, and public holidays. Supports percentage-based and flat-rate differentials.

Notice Period Calculator — Calculates statutory and contractual notice entitlements under UK employment law.

All tools are 100% free — no account, no subscription, no data collection.