Skip to main content
Calkulon

How-To Guides

Step-by-step guides that teach you how to perform calculations manually.

1227 guides
6 steps3 min

How to Calculate Multi-Family Investment Returns: Step-by-Step Guide

Calculate investment returns manually

Read guide
6 steps3 min

How to Calculate House Hacking Savings: Step-by-Step Guide

Calculate living for free by house hacking

Read guide
6 steps3 min

How to Calculate Property Management Fee: Step-by-Step Guide

Calculate property management fee manually

Read guide
6 steps3 min

How to Calculate Airbnb Profit: Step-by-Step Guide

Estimate short-term rental revenue and expenses

Read guide
5 steps3 min

Rental Cash Flow Calculator: Step-by-Step Guide

Calculate monthly cash flow from rental property

Read guide
5 steps3 min

Rehab Budget Calculator: Step-by-Step Guide

Estimate renovation costs for investment properties

Read guide
5 steps3 min

Mortgage Points Calculator: Step-by-Step Guide

Calculate break-even period for mortgage points

Read guide
6 steps3 min

How to Calculate 1031 Exchange Savings: Step-by-Step Guide

Calculate tax-deferred 1031 exchange savings manually

Read guide
6 steps3 min

How to Calculate Commercial Real Estate Investments: Step-by-Step Guide

Calculate cap rate, yield, and 10-year return manually

Read guide
6 steps3 min

Home Appreciation Calculator: A Step-by-Step Guide

Calculate future home value with appreciation rates

Read guide
4 steps6 min

How to Calculate Cost Per Square Foot: Step-by-Step Guide

Learn to manually calculate cost per square foot for real estate. Compare property values effectively with our easy-to-follow guide and worked example.

Read guide
5 steps4 min

How to Calculate Vacancy Rate and Its Impact: Step-by-Step Guide

Learn to manually calculate rental property vacancy rates, understand lost income, and find your effective gross income. Boost your investment knowledge!

Read guide
5 steps5 min

How to Calculate Your HELOC: Step-by-Step Guide

Learn to manually calculate your available Home Equity Line of Credit (HELOC) amount using your home value, mortgage balance, and LTV cap. Understand the formula and common pitfalls.

Read guide
6 steps6 min

How to Calculate PITI: Step-by-Step Guide

Learn to manually calculate your monthly PITI (Principal, Interest, Taxes, Insurance) mortgage payment with our step-by-step guide and worked example.

Read guide
7 min

How to Calculate Seller Net Proceeds: Step-by-Step Guide

Learn to manually calculate your net proceeds after selling your home. Understand sale price, mortgage payoff, and closing costs for an accurate estimate.

Read guide
4 steps5 min

How to Calculate Gross Rent Multiplier (GRM): Step-by-Step Guide

Learn to calculate Gross Rent Multiplier (GRM) by hand. Quick property valuation using property price and annual gross rent. Understand the formula and a worked example.

Read guide
5 steps6 min

How to Calculate Net Operating Income (NOI): Step-by-Step Guide

Learn to calculate Net Operating Income (NOI) by hand. Understand the formula, work through an example, and avoid common pitfalls in real estate valuation.

Read guide
4 steps5 min

How to Calculate House Flip Profit: Step-by-Step Guide

Learn to manually calculate house flip profit. Understand purchase, rehab, holding, and selling costs to estimate net profit and ROI for your fix-and-flip projects.

Read guide
5 steps5 min

How to Calculate DSCR: Step-by-Step Guide

Calculate your Debt Service Coverage Ratio (DSCR) by hand! Learn to use Net Operating Income (NOI) and annual debt service. Includes formula, example, and pitfalls. Key for loans.

Read guide
5 steps5 min

How to Calculate Gross and Net Rental Yield: Step-by-Step Guide

Learn to calculate gross and net rental yield for property investments by hand. Understand formulas, examples, and common pitfalls.

Read guide
5 steps7 min

How to Calculate After-Repair Value (ARV) and Your Maximum Offer: A Step-by-Step Guide

Learn to manually calculate ARV and the 70% Rule buy price for fix-and-flip investments. Understand the formulas, see a worked example, and avoid common pitfalls.

Read guide
5 steps6 min

How to Calculate House Price Growth: Step-by-Step Guide

Learn to manually calculate future house values using historical growth rates. Understand the compound growth formula and project your property's value.

Read guide
6 steps7 min

How to Calculate Buy-to-Let Projections: Step-by-Step Guide

Learn to manually calculate buy-to-let rental yield, mortgage interest coverage, and cash flow. Understand the formulas for smart property investment decisions.

Read guide
4 steps3 min

How to Calculate Remortgage Savings: Step-by-Step Guide

Learn to calculate potential remortgage savings by hand! Compare monthly payments, factor in fees, and understand the core formulas.

Read guide
4 steps5 min

How to Calculate Loan-to-Value (LTV): Step-by-Step Guide

Learn to manually calculate your Loan-to-Value (LTV) ratio for mortgages. Understand the formula, worked examples, and how LTV impacts your loan terms. Free guide.

Read guide
4 steps6 min

How to Calculate Property ROI: Step-by-Step Guide

Learn to calculate buy-to-let property ROI manually. Understand the formula, costs, and income for smart investment decisions. Easy guide for beginners!

Read guide
6 steps4 min

How to Calculate Gross and Net Rental Yield: Step-by-Step Guide

Learn to manually calculate gross and net rental yield for property investments. Understand the formulas, see a worked example, and avoid common pitfalls.

Read guide
6 steps3 min

How to Calculate National Insurance Contributions: Step-by-Step Guide

Learn to manually calculate UK employee and employer National Insurance contributions. Understand Class 1 NI, employer NI, and take-home pay with a worked example.

Read guide
6 steps3 min

How to Calculate Stamp Duty: Step-by-Step Guide

Calculate UK Stamp Duty Land Tax manually

Read guide
6 steps3 min

How to Calculate Corporation Tax: Step-by-Step Guide

Calculate UK corporation tax manually

Read guide

Settings

PrivacyTermsAbout© 2026 Calkulon