BEng Civil Engineering; 8 years in project management.

Marcus Laurent

Contributor, Construction & Everyday Life

0 calculators 0 articles Member since Jun 2026

About

Marcus focuses on the "practical math" calculators: home projects, construction, fuel, and travel. His goal is simple — give the reader a number they can actually use on site or on the road in under 30 seconds.

Before writing full-time, he spent eight years in infrastructure and residential construction project management.

Areas of expertise

Construction math Home projects Travel planning Fuel economy

Education & credentials

BEng Civil Engineering — Polytechnique Montréal

Sports

Item Drop Grind Runs Calculator

Compute the number of runs needed in a video-game farming loop to reach a target probability of seeing at least one drop...

basic

12,876 4.8 1 min

Everyday Life

Screen Time Budget from Daily Schedule Calculator

Calculates the daily screen time budget remaining after accounting for work/school hours and outdoor/physical activities...

basic

7,174 3.9 1 min

Fitness / Running

Running Pace Calculator

Convert between pace, distance, and time for any run.

basic

6,665 4.6 1 min

Construction / Materials

Gravel Calculator

Compute the volume of gravel needed to fill a rectangular area to a chosen depth, plus the approximate weight in tonnes.

basic

23,719 4.3 1 min

Finance

PEG Ratio Growth-Adjusted PE Calculator

Calculates the Price/Earnings-to-Growth (PEG) ratio to assess whether a stock is cheap or expensive relative to its earn...

basic

18,522 4.2 1 min

Sports

Hockey Shooting Percentage from Shots Calculator

Compute a hockey skater's shooting percentage: S% = goals / shots on goal × 100. Forwards league-wide hover around 9-12...

basic

18,198 4.4 1 min

Everyday Life

Pizza Area & Price-per-Square-Inch Calculator

Compare two pizzas by their slice area and price-per-square-inch. Lets you decide whether the larger pie is actually the...

basic

13,687 4.7 1 min

Statistics / Probability

Bayesian Posterior from Beta Prior and Binomial Likelihood Calculator

Updates a Beta(α, β) prior with n trials and k successes to get the posterior Beta(α+k, β+n−k). Returns posterior mean,...

basic

21,785 4.1 1 min

Construction / Rooms

Roof Pitch Calculator

Convert between roof pitch (rise:run), angle in degrees, and rafter length using right-triangle math.

basic

8,701 4.7 1 min

Sports

Wilks Powerlifting Strength Score Calculator

Calculates the Wilks score to compare powerlifting totals across different body weights using the standard Wilks coeffic...

basic

22,305 4.2 1 min

Sports / Cycling

Training Stress Score (TSS) from Power and FTP Calculator

Calculates TSS = (duration_sec × NP × IF) / (FTP × 3600) × 100, where NP is normalised power, IF = NP/FTP, and FTP is fu...

basic

20,938 4.1 1 min

Everyday Life

Hot Tub Fill Time Calculator

Estimate how long it takes to fill a hot tub from a garden hose, given the tub volume and the typical hose flow rate (5-...

basic

4,773 4.3 1 min

Showing 97 to 108 of 359 results

guide Conversions

Unit Conversion Without Typos: A Field Guide

Most unit-conversion mistakes are dumb mistakes — swapped factors, dropped decimals, wrong direction. A short guide to not making them.

Marcus Laurent

Mar 10, 2026 3 min

tutorial Fitness

Running Pace: How to Read Splits Without Getting Lost

Pace, splits, and goal times talk about the same thing from three different angles. A short guide to keeping them straight mid-race.

Marcus Laurent

Jan 30, 2026 3 min

Calcify

Browse categories

Marcus Laurent

Item Drop Grind Runs Calculator

Screen Time Budget from Daily Schedule Calculator

Running Pace Calculator

Gravel Calculator

PEG Ratio Growth-Adjusted PE Calculator

Hockey Shooting Percentage from Shots Calculator

Pizza Area & Price-per-Square-Inch Calculator

Bayesian Posterior from Beta Prior and Binomial Likelihood Calculator

Roof Pitch Calculator

Wilks Powerlifting Strength Score Calculator

Training Stress Score (TSS) from Power and FTP Calculator

Hot Tub Fill Time Calculator

Unit Conversion Without Typos: A Field Guide

Running Pace: How to Read Splits Without Getting Lost