12 free calculators
Business
Make informed decisions about salary, margins and investment returns.
Tools in this category
Salary Calculator
Convert annual salary into monthly, weekly and hourly pay.
ROI Calculator
Measure the return and net gain on an investment.
Profit Margin Calculator
Calculate profit, margin and markup from revenue and cost.
ROAS Calculator
Measure revenue returned for each unit of advertising spend.
Hourly to Salary Calculator
Convert hourly pay into weekly, monthly and annual earnings.
CPM Calculator
Calculate advertising cost per thousand impressions.
CPC Calculator
Calculate advertising cost per click from spend and clicks.
CPA Calculator
Calculate cost per acquisition from campaign spend and conversions.
Conversion Rate Calculator
Calculate the percentage of visitors who complete a conversion.
Break-Even Calculator
Estimate the units and revenue needed to cover fixed and variable costs.
Freelance Rate Calculator
Estimate an hourly rate from income target, annual expenses and billable hours.
Commission Calculator
Calculate sales commission and total pay including a base amount.
Understand the calculations
Use these focused guides and worked articles to check formulas, assumptions and practical examples.
Continue exploring
Business
Understand the formula
These are the actual formulas used by the linked tools.
M = A ÷ 12 · W = A ÷ 52 · H = A ÷ (52 × h)
m = (R − C) ÷ R × 100
ROI = (final value − initial investment) ÷ initial investment × 100
Business
See the numbers in practice
Use these worked examples as a reference before entering your own values.
€60,000 ÷ 12 = €5,000 · €60,000 ÷ 52 = €1,153.85
€10,000 − €6,500 = €3,500 · €3,500 ÷ €10,000 × 100 = 35%
(€6,500 − €5,000) ÷ €5,000 × 100 = 30%
Business
Compare your scenarios
Keep your starting values, change one input and calculate again. Record both results to see which assumption makes the difference.
Salary Calculator