How-To Guides
Step-by-step guides that teach you how to perform calculations manually.
How to Compare Mortgage Overpayment vs. Investing: A Step-by-Step Guide
Learn to manually compare mortgage overpayment vs. investing cash. Understand formulas, worked examples, and common pitfalls to make informed financial decisions.
Read guideHow to Calculate Startup Valuation: Step-by-Step Guide
Learn to manually calculate early-stage startup valuation using revenue multiples and the VC method. Step-by-step guide with formulas, examples, and pitfalls.
Read guideHow to Calculate Your Charitable Giving Tax Benefit: Step-by-Step Guide
Calculate the net cost of your charitable donations, including Gift Aid uplift and personal tax relief, to understand your true effective giving.
Read guideHow to Calculate Startup Runway: Step-by-Step Guide
Calculate startup runway in months manually
Read guideEquity Dilution Calculator: A Step-by-Step Guide
Calculate post-money ownership percentages
Read guideBond Duration Calculator: A Step-by-Step Guide
Calculate Macaulay and modified duration manually
Read guideBlack-Scholes Options Pricing: A Step-by-Step Guide
Calculate European options prices manually
Read guideHow to Calculate Home Equity: Step-by-Step Guide
Calculate home equity and LTV ratio manually
Read guideDown Payment Calculator: Step-by-Step Guide
Calculate your down payment savings plan
Read guideLease vs Buy Calculator: A Step-by-Step Guide
Compare lease and buy options for a car
Read guideHow to Calculate Capitalization Rate: Step-by-Step Guide
Calculate cap rate manually
Read guideHow to Calculate Your Emergency Fund: Step-by-Step Guide
Calculate your emergency fund target
Read guideHow to Calculate Net Worth: Step-by-Step Guide
Calculate net worth manually
Read guideHow to Calculate Stock Return: Step-by-Step Guide
Calculate stock return manually
Read guideOptions P&L Calculator: Step-by-Step Guide
Calculate option profit at expiry manually
Read guideHow to Calculate Investment Fee Impact: Step-by-Step Guide
Calculate investment fee impact manually
Read guideHow to Calculate DRIP: Step-by-Step Guide
Calculate dividend reinvestment plan growth manually
Read guideHow to Calculate CD Earnings: Step-by-Step Guide
Calculate CD earnings manually
Read guideRental Property Calculator: A Step-by-Step Guide
Calculate cap rate, cash flow, and cash-on-cash return manually
Read guideCommission Calculator: Step-by-Step Guide
Calculate sales commission manually
Read guideHow to Calculate Present Value: Step-by-Step Guide
Learn to calculate present value manually
Read guideHow to Calculate Future Value: Step-by-Step Guide
Calculate future value manually
Read guideHow to Calculate Retirement Savings: Step-by-Step Guide
Estimate retirement corpus needed
Read guideHow to Calculate Average Investment Return: A Step-by-Step Guide
Learn to manually calculate Total Return and Compound Annual Growth Rate (CAGR) for your investments. Understand formulas, see examples, and avoid common pitfalls.
Read guideHow to Calculate Bond Price, Current Yield, and Yield to Maturity (YTM): Step-by-Step Guide
Master manual bond calculations: price, current yield, and YTM. Learn formulas, see examples, avoid pitfalls, and know when to use a financial calculator.
Read guideHow to Calculate Doubling Time Using the Rule of 72: Step-by-Step Guide
Learn to manually calculate investment doubling time with the Rule of 72. Understand the formula, worked examples, and common pitfalls for quick financial estimates.
Read guideHow to Calculate Roth IRA Growth: Step-by-Step Guide
Calculate Roth IRA growth manually
Read guide401(k) Calculator: A Step-by-Step Guide to Projecting Your Retirement Balance
Calculate 401k balance with employer match
Read guideHow to Calculate Future Savings: Step-by-Step Guide
Calculate future savings manually
Read guideHow to Calculate CAGR: Step-by-Step Guide
Calculate compound annual growth rate manually
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