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All Calculators

Explore useful calculators for common planning, comparison, and decision-making tasks.

1004 Calculators

Tools and explanations across every calculator category.

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Late Payment Interest CalculatorCalculate estimated interest on an overdue invoice based on the amount owed, annual interest rate, and days late.Open Calculator →VAT CalculatorCalculate VAT, net amount, gross amount, and the total with or without tax using a chosen VAT rate.Open Calculator →Sales Tax CalculatorCalculate sales tax, pre-tax price, and total cost based on a purchase amount and tax rate.Open Calculator →Corporation Tax CalculatorEstimate your corporation tax, post-tax profit and effective tax rate based on profit, allowable deductions and...Open Calculator →Payroll Cost CalculatorEstimate the total cost of employing staff based on pay, hours, employer taxes, benefits and other payroll on-co...Open Calculator →Employee Cost CalculatorEstimate the total annual cost of employing someone based on salary, payroll taxes, benefits, bonuses and overhe...Open Calculator →Employer National Insurance CalculatorEstimate employer National Insurance contributions based on an employee's gross pay, pay frequency, secondary th...Open Calculator →Contractor Rate CalculatorEstimate an hourly or daily contractor rate based on your target income, business costs, taxes and billable time.Open Calculator →Freelancer Hourly Rate CalculatorEstimate a freelance hourly rate based on your income goal, business costs, billable time and profit target.Open Calculator →Billable Hours CalculatorCalculate billable hours, billable utilization, and estimated revenue based on your work time, non-billable time...Open Calculator →Utilisation Rate CalculatorCalculate utilisation rate based on available hours and billable or productive hours to understand how efficient...Open Calculator →Project Cost CalculatorEstimate the total cost of a project using labor hours, hourly rate, materials, overhead, contingency, and other...Open Calculator →

About All Calculators

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Our all calculators help you analyze options and choose what works best for your goals and situation.

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Built by experts with accurate formulas and simple inputs so you get reliable results instantly.

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From loans to retirement, plan today to achieve a more secure and stress-free financial future.

Frequently Asked Questions

Are these calculators free to use?

Yes. The calculators are free and do not require an account.

How accurate are the calculator results?

Results are estimates based on the inputs and formulas shown by each calculator.

Do I need to create an account?

No. You can open and use calculators without signing in.

Can I save or share my results?

Use your browser tools for now; saved result workflows can be added later.

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