The Morecalcs Blog
Guides that turn calculations into intuition. 26 articles across finance, health, math and conversions.
SEO Lessons from Building Morecalcs
How we structured 50+ pages for search engines and humans.
Read articleSimple vs Compound Interest: A Side-by-Side
When lenders quote simple interest, and why compound almost always wins.
Read articlemph, km/h, m/s: A Quick Speed Conversion Guide
Instant mental conversions for road, track, and physics.
Read articleBytes to Terabytes: What Each Size Actually Holds
KB vs KiB, and how much data your files really are.
Read articleWhy the World Uses Metric (Except Three Countries)
A short history of the meter, the yard, and the SI system.
Read articleCelsius, Fahrenheit, Kelvin: All Three Explained
The formulas, the history, and why Kelvin is the physics unit.
Read articleExponents, Powers, Roots: A Practical Refresher
The rules that make algebra flow, with intuition attached.
Read articleMean, Median, Mode: Which Average to Use When
A one-page guide to picking the right center of a dataset.
Read articleFractions to Decimals: Every Common Conversion
The ones worth memorizing, and the ones to always look up.
Read articlePercentage Tricks You'll Actually Use
Tips, discounts, tax — the mental math that saves seconds daily.
Read articlePregnancy Due Dates: What the Calculator Really Estimates
Naegele's rule, why 40 weeks, and how accurate the estimate is.
Read articleTraining by Heart Rate Zones
Why zone 2 is having a moment, and how to find yours.
Read articleHow Much Water You Actually Need Per Day
The 8×8 rule has no science. Here's a better formula.
Read articleEvery Way to Measure Body Fat, Ranked
DEXA, calipers, BIA, Navy tape method — what to trust.
Read articleProtein, Carbs, Fat: A Macro Split You Can Actually Follow
Why most macro calculators over-complicate a simple decision.
Read articleTDEE, BMR and How Many Calories You Actually Need
The Mifflin-St Jeor equation, activity multipliers, and where estimates go wrong.
Read articleHow to Hit a Savings Goal in 12 Months
Reverse-engineer any goal into weekly action.
Read articleROI Explained: More Than Just a Percentage
How to compute return on investment — and why annualizing it changes the story.
Read articleSnowball vs Avalanche: Which Credit Card Strategy Wins?
Math says avalanche. Behavior often says snowball. Here's how to pick.
Read articleThe 50/30/20 Budget, Adapted for Real Life
A simple framework, and the changes you'll need for high-cost cities.
Read articleAPR vs APY: The Difference That Costs You Money
APR is what you're quoted. APY is what you actually pay or earn.
Read articleHow Mortgage Calculations Really Work
The amortization formula in plain English, with a worked example.
Read articleHow to Calculate BMI (and What It Actually Tells You)
The formula, the categories, and the caveats every athlete should know.
Read articleCompound Interest, Visualized
Why the third decade beats the first two combined.
Read articleA Practical Retirement Planning Guide
How much you actually need — and how to get there without stress.
Read articleUnit Conversion Basics: Metric ↔ Imperial
The five conversions you'll use again and again.
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