How-To Guides
Step-by-step guides that teach you how to perform calculations manually.
How to Calculate Per Diem Allowance: Step-by-Step Guide
Calculate daily business travel expenses
Read guideDutch Treat Split Calculator: A Step-by-Step Guide
Split bills easily
Read guideTip Split Calculator: A Step-by-Step Guide
Divide tips among team members
Read guideOvertime Pay Calculator: Step-by-Step Guide
Calculate gross pay with overtime
Read guideFreelance Hourly Rate Calculator: Step-by-Step Guide
Calculate your required hourly rate
Read guideHow to Calculate Your New Salary: Step-by-Step Guide
Calculate new salary after raise
Read guideHow to Calculate Total Amount with Mixed Bills and Coins: Step-by-Step Guide
Manual calculation guide
Read guideHow to Calculate Salary Inflation: Step-by-Step Guide
Adjust salary for inflation
Read guideTax Estimator: Step-by-Step Guide to Calculate Federal Income Tax Liability
Estimate federal income tax liability manually
Read guideTime Card Calculator: A Step-by-Step Guide
Calculate weekly work hours and gross pay manually
Read guideHow to Convert Hourly to Salary: Step-by-Step Guide
Convert hourly rate to annual salary manually
Read guideConverting Annual Salary to Hourly Wage: A Step-by-Step Guide
Convert salary to hourly wage manually
Read guideHow to Calculate Sum of Years Digits Depreciation: Step-by-Step Guide
Calculate sum-of-years-digits depreciation manually
Read guideHow to Calculate Gross Pay: Step-by-Step Guide
Learn to manually calculate gross pay for hourly and salaried employees, including overtime. Understand the formulas and avoid common errors.
Read guideHow to Calculate Your Net Pay and Tax: A Step-by-Step Guide for Engineers
Learn to manually calculate gross pay, income tax, National Insurance, and net pay. Understand formulas and avoid common payroll pitfalls.
Read guideHow to Calculate Real Estate Depreciation: Step-by-Step Guide
Learn to manually calculate real estate depreciation using the straight-line method, including formulas, a worked example, and common pitfalls. Understand when to use a calculator for MACRS.
Read guideHow to Calculate Units of Production Depreciation: Step-by-Step Guide
Learn to calculate Units of Production depreciation step-by-step. Understand the formula, worked examples, and common pitfalls for this usage-based accounting method.
Read guideHow to Calculate Double Declining Balance Depreciation: Step-by-Step Guide
Learn to manually calculate Double Declining Balance (DDB) depreciation. Step-by-step guide with formulas, examples, and common pitfalls.
Read guideHow to Calculate the Interest Coverage Ratio: Step-by-Step Guide
Learn to manually calculate the Interest Coverage Ratio (ICR) using EBIT and interest expense. Understand the formula, worked examples, and safe thresholds for debt coverage.
Read guideHow to Calculate Profitability Ratios: ROE, ROA, and EBITDA Margin
Learn to manually calculate Return on Equity (ROE), Return on Assets (ROA), and EBITDA Profit Margin from financial statements with formulas, examples, and common pitfalls.
Read guideHow to Calculate Straight-Line Depreciation: Step-by-Step Guide
Learn to manually calculate annual straight-line depreciation using a simple formula. Understand asset cost, salvage value, and useful life with a worked example.
Read guideHow to Calculate Depreciation: Step-by-Step Guide
Learn to manually calculate asset depreciation using the straight-line method. Understand formulas, create schedules, and avoid common pitfalls.
Read guideHow to Calculate Dividend Reinvestment and Compounding Manually
Learn to manually calculate dividend reinvestment's long-term compounding effect. Understand formulas, prerequisites, and common pitfalls.
Read guideHow to Calculate the Price-Earnings (P/E) Ratio: Step-by-Step Guide
Learn to manually calculate the P/E ratio using stock price and EPS. Understand its formula, interpretation, and common pitfalls for valuation.
Read guideHow to Calculate Earnings Per Share (EPS): Step-by-Step Guide
Learn to manually calculate Basic Earnings Per Share (EPS) using net income and weighted average shares outstanding. Understand the formula and common pitfalls.
Read guideHow to Calculate the Quick Ratio: Step-by-Step Guide
Calculate a company's immediate liquidity using the Quick Ratio. Learn the acid-test formula, identify liquid assets, and interpret solvency. Step-by-step guide.
Read guideHow to Calculate the Current Ratio: Step-by-Step Guide
Learn to manually calculate the Current Ratio, a key short-term liquidity metric. Understand the formula, worked examples, and common pitfalls.
Read guideHow to Calculate Key Stock Ratios: A Step-by-Step Guide
Learn to manually calculate P/E ratio, EPS, and dividend yield for equity valuation. Understand formulas, see examples, and avoid common pitfalls.
Read guideHow to Calculate Operations Ratios: Step-by-Step Guide
Learn operations ratios calculation
Read guideLiquidity Ratios Calculator: Step-by-Step Guide
Calculate current, quick, and cash ratios manually
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