Useful answers.
Made clear.
Explore practical examples, formulas and everyday business explanations. Find the answer, then use the free calculator or invoice tool.
Find what you need to know.
Eight collections, with carefully organised explanations for common tasks. Start with a main guide or choose a more specific example.
How to Calculate Hours Worked: A Practical Guide
Start here · Core guide with explanations and examples.
Read guide 02 / 05How to Calculate Work Hours With a Lunch Break
Read this focused, practical explanation with an example.
Read guide 03 / 05Overnight Shift Hours: Calculating Time Across Midnight
Read this focused, practical explanation with an example.
Read guide 04 / 05Calculate Weekly Working Hours From Daily Shifts
Read this focused, practical explanation with an example.
Read guide 05 / 05Work Hours vs Paid Hours: Understanding the Difference
Read this focused, practical explanation with an example.
Read guideConvert Minutes to Decimal Hours: Formula and Chart
Start here · Core guide with explanations and examples.
Read guide 02 / 0515, 30 and 45 Minutes in Decimal Hours
Read this focused, practical explanation with an example.
Read guide 03 / 05Decimal Hours for Timesheets and Payroll
Read this focused, practical explanation with an example.
Read guide 04 / 05Convert Decimal Hours Back to Hours and Minutes
Read this focused, practical explanation with an example.
Read guide 05 / 05Excel and Google Sheets Formulas for Decimal Time
Read this focused, practical explanation with an example.
Read guideHow to Make an Invoice: Step-by-Step
Start here · Core guide with explanations and examples.
Read guide 02 / 05Invoice Format: A Clear Layout Customers Can Read
Read this focused, practical explanation with an example.
Read guide 03 / 05How to Invoice a Freelance Client Professionally
Read this focused, practical explanation with an example.
Read guide 04 / 05How to Send an Invoice PDF and Avoid Payment Delays
Read this focused, practical explanation with an example.
Read guide 05 / 05Invoice Numbering, Dates and Payment Terms Explained
Read this focused, practical explanation with an example.
Read guideWhat to Include on an Invoice: The Practical Checklist
Start here · Core guide with explanations and examples.
Read guide 02 / 05Invoice Requirements by Country: What Changes?
Read this focused, practical explanation with an example.
Read guide 03 / 05Invoice Checklist for Freelancers and Small Businesses
Read this focused, practical explanation with an example.
Read guide 04 / 05Invoice vs Receipt vs Quote: Which Document Do You Need?
Read this focused, practical explanation with an example.
Read guide 05 / 05International Invoice Currency and Date Formats
Read this focused, practical explanation with an example.
Read guideHow to Calculate Profit Margin: Formula and Examples
Start here · Core guide with explanations and examples.
Read guide 02 / 05Gross Profit vs Gross Profit Margin: Know the Difference
Read this focused, practical explanation with an example.
Read guide 03 / 05How to Calculate Selling Price From a Target Margin
Read this focused, practical explanation with an example.
Read guide 04 / 05How to Calculate Profit Margin for Services
Read this focused, practical explanation with an example.
Read guide 05 / 05Why a High Profit Margin Does Not Always Mean High Profit
Read this focused, practical explanation with an example.
Read guideMargin vs Markup: The Difference Explained
Start here · Core guide with explanations and examples.
Read guide 02 / 05Markup to Margin Conversion Chart and Formula
Read this focused, practical explanation with an example.
Read guide 03 / 05How Much Markup Do You Need for a 30% Margin?
Read this focused, practical explanation with an example.
Read guide 04 / 05Retail and Service Pricing: Margin or Markup?
Read this focused, practical explanation with an example.
Read guide 05 / 05Excel Formulas for Margin and Markup
Read this focused, practical explanation with an example.
Read guidePercentage Increase Formula: Steps and Examples
Start here · Core guide with explanations and examples.
Read guide 02 / 05How to Calculate Percentage Decrease
Read this focused, practical explanation with an example.
Read guide 03 / 05Percentage Change in Excel and Google Sheets
Read this focused, practical explanation with an example.
Read guide 04 / 05Percentage Points vs Percentage Change
Read this focused, practical explanation with an example.
Read guide 05 / 05Why a 20% Rise Followed by a 20% Fall Is Not Zero
Read this focused, practical explanation with an example.
Read guideHow to Calculate a Percentage of a Number
Start here · Core guide with explanations and examples.
Read guide 02 / 05What Percentage Is One Number of Another?
Read this focused, practical explanation with an example.
Read guide 03 / 05How to Work Out a Discount and Final Price
Read this focused, practical explanation with an example.
Read guide 04 / 05How to Find the Original Price Before a Percentage Discount
Read this focused, practical explanation with an example.
Read guide 05 / 05Percentages, Fractions and Decimals: Simple Conversions
Read this focused, practical explanation with an example.
Read guide