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

Construction / Materials

Lumber Cost Calculator

Compute the total cost of a lumber order by combining board-foot quantity with the per-board-foot price.

basic

14,263 4.1 1 min

Everyday Life

Wall Stud Count Calculator

Compute the number of wall studs required for a straight wall of given length and on-centre spacing, plus extras for doo...

basic

4,317 4.4 1 min

Everyday Life

Flooring Box Calculator

Compute the number of boxes of laminate, vinyl, hardwood, or tile flooring needed to cover a room, given the room area,...

basic

12,010 5.0 1 min

Physics

AC Apparent, Real & Reactive Power Calculator

Calculates apparent power (VA), real power (W), reactive power (VAr), and power factor from voltage, current, and phase...

basic

3,837 4.1 1 min

Construction / Materials

Decking Boards Calculator

Compute the number of decking boards needed to cover a rectangular deck from board dimensions and a small wastage allowa...

basic

10,021 4.2 1 min

Statistics

Kolmogorov-Smirnov One-Sample Test Calculator

Calculates the one-sample Kolmogorov-Smirnov test statistic D from the maximum deviation between empirical and theoretic...

basic

21,683 4.3 1 min

Everyday Life

Generator Fuel Runtime Calculator

Estimate how many hours a portable generator will run on a full tank, given the tank size in gallons and the fuel-consum...

basic

12,513 3.9 1 min

Health

Ottawa Ankle Rules Fracture Risk Calculator

Applies the Ottawa Ankle Rules to determine if an X-ray is needed after ankle injury: pain in malleolar zone + bone tend...

basic

22,386 4.2 1 min

Construction / Materials

Baseboard Calculator

Compute the linear metres of baseboard or skirting needed for a rectangular room, accounting for door openings and a sma...

basic

947 4.6 1 min

Sports

Rep Weight from 1RM Calculator

Compute the working weight at a chosen number of reps from your 1-rep max using a standard percentage table (e.g., 5 rep...

basic

8,156 4.0 1 min

Physics

Hydrostatic Pressure at Depth in a Static Fluid Calculator

Compute the absolute pressure at depth h in a static fluid: P = P₀ + ρgh, where P₀ is the surface pressure (default 101...

basic

2,084 3.8 1 min

Sports

Poker 5-Card Hand Probability Calculator

Compute the exact probability of being dealt each common 5-card poker hand from a single 52-card deck, using combinatori...

basic

4,457 5.0 1 min

Showing 181 to 192 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

Lumber Cost Calculator

Wall Stud Count Calculator

Flooring Box Calculator

AC Apparent, Real & Reactive Power Calculator

Decking Boards Calculator

Kolmogorov-Smirnov One-Sample Test Calculator

Generator Fuel Runtime Calculator

Ottawa Ankle Rules Fracture Risk Calculator

Baseboard Calculator

Rep Weight from 1RM Calculator

Hydrostatic Pressure at Depth in a Static Fluid Calculator

Poker 5-Card Hand Probability Calculator

Unit Conversion Without Typos: A Field Guide

Running Pace: How to Read Splits Without Getting Lost