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

Calorie Burn from MET and Body Weight Calculator

Compute calories burned during exercise from the MET (metabolic equivalent) value of the activity, body weight in kg, an...

basic

19,127 4.5 1 min

Physics

Beat Frequency from Two Sound Sources Calculator

Calculates the beat frequency f_beat = |f₁ − f₂| when two sound waves of slightly different frequencies are superimposed...

basic

23,304 4.5 1 min

Finance

Economic Order Quantity (EOQ) Calculator

Calculates the Economic Order Quantity (EOQ) that minimises total inventory costs from annual demand, ordering cost, and...

basic

469 4.1 1 min

Everyday Life

USB File Transfer Time from File Size and Speed Calculator

Estimates transfer time = file size (bits) / transfer speed (bps). Reference speeds: USB 2.0 = 480 Mbit/s, USB 3.0 = 5 G...

basic

5,097 4.0 1 min

Finance / Investing

Dividend Growth Model (Gordon) Calculator

Calculates the intrinsic stock value using the Gordon Growth Model (Dividend Discount Model) from the next dividend, req...

basic

16,456 4.5 1 min

Sports

Sit-Up Test Percentile Calculator

Compute an approximate percentile rank for a 1-minute sit-up test using a normal-distribution model fit to ACSM age- and...

basic

3,340 3.9 1 min

Health

Macro Split from Daily Calories Calculator

Calculates the grams of protein, fat, and carbohydrates from a total daily calorie target and percentage split. Remainin...

basic

655 4.5 1 min

Everyday Life

Wood Fuel BTU Output Calculator

Estimate the heat (BTU) released by burning seasoned firewood from the species's typical BTU/cord rating, the number of...

basic

11,147 4.0 1 min

Conversions / Length

Length Converter

Convert between meters, kilometers, miles, feet, inches, and yards.

Featured basic

4,964 4.2 1 min

Everyday Life

Brick Wall Quantity Calculator

Compute the number of standard modular bricks needed for a vertical wall, given wall length and height plus brick face d...

basic

5,349 4.0 1 min

Everyday Life / Travel

EV Efficiency in Miles per kWh Calculator

Compute an electric vehicle's energy efficiency from total miles driven and total kWh consumed (from charging records or...

basic

1,328 4.9 1 min

Sports

Race Time Predictor (Riegel)

Predict your time for a target race distance from a known time and distance using the Riegel formula T₂ = T₁ · (D₂ / D₁)...

basic

5,274 4.1 1 min

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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

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Browse categories

Marcus Laurent

Calorie Burn from MET and Body Weight Calculator

Beat Frequency from Two Sound Sources Calculator

Economic Order Quantity (EOQ) Calculator

USB File Transfer Time from File Size and Speed Calculator

Dividend Growth Model (Gordon) Calculator

Sit-Up Test Percentile Calculator

Macro Split from Daily Calories Calculator

Wood Fuel BTU Output Calculator

Length Converter

Brick Wall Quantity Calculator

EV Efficiency in Miles per kWh Calculator

Race Time Predictor (Riegel)

Unit Conversion Without Typos: A Field Guide

Running Pace: How to Read Splits Without Getting Lost