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

Math / Percentage

Quadratic Formula Roots and Discriminant Calculator

Solves ax² + bx + c = 0 using the quadratic formula. Returns both roots, the discriminant Δ = b²−4ac (positive = 2 real,...

basic

17,301 4.2 1 min

Statistics / Probability

Binomial Distribution Exact Probability (PMF) Calculator

Calculates the exact binomial probability P(X = k) = C(n,k) · pᵏ · (1−p)^(n−k), the mean μ = n·p, and standard deviation...

basic

5,602 4.0 1 min

Finance

Interest Coverage (Times-Interest-Earned) Ratio Calculator

Compute the times-interest-earned (interest coverage) ratio — a company's ability to service its interest payments out o...

basic

24,570 4.8 1 min

Finance / Budgeting

Federal Tax Bracket Calculator (2024 Single)

Compute the 2024 federal income tax owed by a single (unmarried) filer with the given taxable income, using the publishe...

basic

11,112 4.4 1 min

Conversions

Flow Rate Converter

Convert between common volumetric flow rate units including litres per minute, litres per second, cubic metres per hour,...

basic

9,277 4.2 1 min

Conversions

Illuminance Converter

Convert between common illuminance units: lux, foot-candle, and phot.

basic

10,540 5.0 1 min

Conversions

Screen Size Calculator

Compute the width, height, and area of a display from its diagonal length and aspect ratio (e.g. 16:9, 21:9, 4:3).

basic

18,514 4.2 1 min

Finance / Budgeting

Self-Employment Tax Calculator

Compute the self-employment tax (Social Security + Medicare, both halves) on net self-employment income, including the 9...

basic

15,393 4.2 1 min

Everyday Life

Tile Grout Calculator

Estimate the pounds of grout needed for a tiled area, based on the tile size, grout joint width, and grout joint depth.

basic

1,245 4.7 1 min

Finance / Investing

WACC from Equity, Debt, and Tax Rate Calculator

Calculates WACC = (E/V)·r_e + (D/V)·r_d·(1−T), where E is equity value, D is debt value, V = E+D, r_e is cost of equity,...

basic

16,146 3.8 1 min

Finance / Investing

Effective Annual Rate Calculator

Convert a nominal annual rate compounded m times per year into the effective annual rate (EAR) you actually earn or pay.

basic

15,493 3.9 1 min

Physics

Hall Effect Carrier Concentration Calculator

Calculates charge carrier concentration and Hall coefficient from Hall voltage, current, magnetic field, and sample thic...

basic

856 4.2 1 min

Showing 361 to 372 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

Quadratic Formula Roots and Discriminant Calculator

Binomial Distribution Exact Probability (PMF) Calculator

Interest Coverage (Times-Interest-Earned) Ratio Calculator

Federal Tax Bracket Calculator (2024 Single)

Flow Rate Converter

Illuminance Converter

Screen Size Calculator

Self-Employment Tax Calculator

Tile Grout Calculator

WACC from Equity, Debt, and Tax Rate Calculator

Effective Annual Rate Calculator

Hall Effect Carrier Concentration 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