Category 12
Taxes & payroll calculators
Turn user-supplied rates and pay details into transparent planning estimates.
12 practical tools
All 12 calculators are available now with visible formulas and assumptions.
Gross to net pay estimate
What take-home pay remains after user-supplied deductions and tax rates?
Payroll withholding estimate
How much should be withheld from each pay period at the entered rate?
Self-employment tax reserve
How much should a self-employed worker reserve from profit?
Capital gains tax estimate
What taxable gain and estimated tax follow from the entered rate?
Holiday pay accrual
How much holiday pay accrues at the entered percentage?
Pay period converter
How does pay convert between weekly, monthly, and annual amounts?
Employer payroll cost
What does payroll cost after employer taxes and fixed benefits?
Mileage reimbursement
What reimbursement follows from distance and the applicable rate?
Home office deduction estimate
What workspace share of eligible home costs is potentially deductible?
Invoice withholding tax
What amount is withheld and what net payment is received?
Marginal vs effective tax rate
How do the entered marginal rate and actual tax paid compare?
Tax withholding reconciliation
Does tax already withheld cover the annual tax estimate you enter?
Where the rules differ
Country tax & payroll guides
Use the guides to check which local rates and rules apply to your estimate, with links to the relevant tax authority.