Featured contributor BSc Economics; CFA Level II candidate; 10+ years in consumer-finance publishing.

Nadia Almasri

Editorial Lead, Personal Finance

0 calculators 0 articles Member since Jun 2026

About

Nadia leads the personal finance desk and has spent over a decade writing consumer-facing explainers for banks, fintechs, and independent publications. She is obsessive about sourcing, formulas, and making the math feel approachable without dumbing it down.

She reviews every loan, mortgage, and budgeting calculator before it ships and is responsible for the editorial checklists the rest of the team uses.

Areas of expertise

Mortgages Consumer loans Budgeting Retirement planning

Education & credentials

BSc Economics — King's College London
MBA — IE Business School

Finance / Mortgage

Rent vs. Buy Calculator

Project the total cost of renting vs. buying over your planned stay, including mortgage interest, maintenance, home appr...

basic

3,568 4.3 1 min

Physics

Gear Train Ratio, Output Torque & Speed Calculator

Calculates gear ratio, output shaft speed, and output torque for a simple gear pair from input conditions and gear tooth...

basic

2,381 4.8 1 min

Finance / Investing

Dollar-Cost Averaging Calculator

See how a portfolio grows when you invest a fixed amount on a regular schedule and let it compound at an expected return...

basic

7,576 4.9 1 min

Finance / Budgeting

Paycheck Calculator

Estimate take-home pay from gross salary after simplified federal tax, FICA, and voluntary deductions.

basic

744 4.9 1 min

Statistics / Probability

Log-Normal Distribution Mean and Variance Calculator

Calculates the log-normal mean E[X] = exp(μ+σ²/2), median exp(μ), mode exp(μ−σ²), and variance (e^(σ²)−1)·e^(2μ+σ²) from...

basic

15,697 4.1 1 min

Finance

ESPP Discount Value Calculator

Compute the per-share purchase price, total discount, and immediate-sale profit on an Employee Stock Purchase Plan with...

basic

24,548 4.4 1 min

Finance

Daily-Balance Savings Interest Calculator

Compute the interest credited on a savings or checking account from the average daily balance, the APY, and the number o...

basic

10,361 4.4 1 min

Sports / Running

Maximal Aerobic Speed (MAS) Calculator

Estimates Maximal Aerobic Speed (MAS) from VO₂max or a time trial, and calculates training paces at different percentage...

basic

12,950 4.1 1 min

Statistics

Paired Samples Difference t-Test Calculator

Calculates the t-statistic for a paired t-test from the mean difference, standard deviation of differences, and sample s...

basic

14,019 4.3 1 min

Everyday Life

Blood Alcohol Content Widmark Formula Calculator

Estimates Blood Alcohol Concentration (BAC) using the Widmark formula from number of drinks, body weight (lbs), sex-spec...

basic

2,242 4.5 1 min

Finance

Free Cash Flow to Firm (FCFF) Calculator

Compute the unlevered free cash flow available to all capital providers (debt and equity) of a firm: FCFF = Net income +...

basic

14,074 3.9 1 min

Physics

Thin Film Optical Path Difference Calculator

Calculates optical path difference OPD = 2·n·t·cos θ for a thin film of thickness t and refractive index n. Determines c...

basic

8,433 4.8 1 min

Showing 157 to 168 of 384 results

tutorial Finance

The 50/30/20 Rule, Used By Real People: A Budgeting Primer

Needs, wants, and savings at 50/30/20 is a starting point — not a rulebook. Here is how to adapt it when your life doesn't fit neatly into t...

Nadia Almasri

May 15, 2026 3 min

guide Finance

How to Think About Your Mortgage: A Plain-English Guide

A calm, jargon-free walkthrough of what actually drives your monthly mortgage payment — and how to make the number smaller.

Nadia Almasri

Apr 26, 2026 3 min

report Finance

The State of Consumer Calculators in 2026: A Short Report

We pulled usage data across our 30 most-visited calculators to understand how readers actually use consumer finance tools. Findings, caveats...

Nadia Almasri

Feb 12, 2026 3 min

explainer Finance

Compound Interest Is Slow Until It Isn't: What 20 Years of $250 a Month Actually Looks Like

The same $250 a month looks unremarkable for a decade and then suddenly dominates the chart. Here is why compounding behaves that way.

Nadia Almasri

Jan 23, 2026 3 min

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Browse categories

Nadia Almasri

Rent vs. Buy Calculator

Gear Train Ratio, Output Torque & Speed Calculator

Dollar-Cost Averaging Calculator

Paycheck Calculator

Log-Normal Distribution Mean and Variance Calculator

ESPP Discount Value Calculator

Daily-Balance Savings Interest Calculator

Maximal Aerobic Speed (MAS) Calculator

Paired Samples Difference t-Test Calculator

Blood Alcohol Content Widmark Formula Calculator

Free Cash Flow to Firm (FCFF) Calculator

Thin Film Optical Path Difference Calculator

The 50/30/20 Rule, Used By Real People: A Budgeting Primer

How to Think About Your Mortgage: A Plain-English Guide

The State of Consumer Calculators in 2026: A Short Report

Compound Interest Is Slow Until It Isn't: What 20 Years of $250 a Month Actually Looks Like