ScoutMyTool
How Many Calories Should I Eat? The Honest Answer
A clear, math-first guide to figuring out how many calories you actually need — covering BMR, TDEE, worked examples for two real p
15 min read
Cardio vs Strength Training: Honest Time Allocation Guide
How much cardio vs strength training do you need? ACSM guidelines, schedules for fat loss and longevity, and weekly templates that
15 min read
How Much Disability Insurance Do You Actually Need? A Practical Coverage Guide
Set the right disability income target: 60–70% replacement, short-term vs long-term, employer vs individual policies, taxes, and S
11 min read
How Land Surveyors Use Sine and Cosine: From Total Station to Boundary Line
How surveyors apply sine and cosine: bearing-and-distance, traverse closure, triangulation, and slope-to-horizontal correction in
13 min read
How to Add Page Numbers to a PDF (Free, 2 Min)
A practical guide to adding page numbers to a PDF for free — covering positioning options, custom starting numbers, batch numberin
14 min read
How to Add a Watermark to a PDF (Free, 2 Min)
Add text or image watermarks to PDFs in two minutes. Pick the right opacity, position, and removable vs flattened style for your d
15 min read
How to Calculate BMI (And Why It's Often Misleading)
A clear walkthrough of the BMI formula in metric and imperial, the categories doctors use, why BMI fails for athletes and many old
12 min read
BMR Calculator Math: How to Calculate Yours by Hand
Mifflin-St Jeor is the modern BMR formula at 10 percent accuracy. Worked examples for men and women at ages 30, 40, 50. Plus BMR v
14 min read
How to Calculate Compound Interest with a Free Calculator
Learn how to calculate compound interest using A = P(1 + r/n)^(nt). Real examples, the Rule of 72, common mistakes, and a free cal
13 min read
How to Calculate Loan APR vs Interest Rate
How to calculate loan APR vs interest rate, why APR is the right number for comparing loan offers, with a worked example, regulato
14 min read
How to Calculate a Mortgage Payment by Hand (And Why You Should)
A step-by-step guide to calculating your mortgage payment by hand using the standard amortization formula — with a worked $300K ex
12 min read
How to Calculate Percent Change (Formula + Examples)
How to calculate percent change with the formula, worked examples for increases and decreases, common mistakes to avoid, finance a
13 min read
How to Convert Currency Like a Pro (Beyond Google)
A practical guide to currency conversion for travelers, freelancers, and businesses — covering spot vs interbank rates, hidden ban
13 min read
How to Edit a PDF Without Adobe Acrobat (5 Free Methods)
Five free ways to edit PDFs without paying for Adobe Acrobat — from browser tools to LibreOffice Draw to command-line workflows, w
13 min read
How to Fill Out a 1099 Form in 2026 (For Independent Contractors)
A plain-English walkthrough of how to fill out a 1099 form in 2026, with the exact boxes that matter, the deadlines you cannot mis
14 min read
How to Format a Business Proposal That Actually Wins (2026 Guide)
Learn how to format a business proposal that closes deals, not collects dust. A practical structure, real examples, and a free tem
15 min read
How to Price a SaaS Product: Tiers, Per-Seat, Usage, and the Math Behind Each
A quantitative guide to SaaS pricing: flat tier vs per-seat vs usage, anchoring, the Goldilocks three-tier pattern, trial-conversi
9 min read
How to Password-Protect a PDF (Free, Browser-Based)
A practical guide to password-protecting a PDF for free — covering open vs permission passwords, AES-256 encryption, password stre
15 min read
How to Rotate a PDF Permanently (Save Rotation 2026)
Rotate PDF pages permanently so the rotation sticks. Single page or batch, free browser methods, plus the save vs save-as gotcha t
14 min read
How to Write a Living Will (Plus Free Template)
A practical guide to writing a living will — what it covers, how it differs from a last will and healthcare POA, state validity ru
14 min read