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

Everyday Life

Dog Breed Lifespan & Human Age Equivalent

Converts dog age to approximate human equivalent years using the non-linear formula (log-based) from a Nature Aging stud...

basic

2,895 4.9 1 min

Sports / Swimming

SWOLF Swim Efficiency Score Calculator

Calculates SWOLF = stroke count + time (seconds) for one pool length. Lower SWOLF indicates better swim efficiency. A co...

basic

21,572 4.1 1 min

Conversions

Voltage Converter

Convert between common voltage (electric potential) units: volts, millivolts, microvolts, kilovolts, and megavolts.

basic

22,660 4.0 1 min

Everyday Life

Body Fat % US Navy Circumference Calculator

Estimates body fat percentage using the US Navy circumference method from waist, neck, (hip for women), and height measu...

basic

1,687 4.0 1 min

Sports

Cross-Country Skiing Speed & Effort Calculator

Estimates power output and aerobic demand of cross-country skiing from speed, body mass, and terrain gradient.

basic

15,320 4.0 1 min

Finance

Sales-Tax-Inclusive Price Splitter

Given a tax-inclusive total and a sales-tax rate, back-out the pre-tax base price and the tax dollars: base = total / (1...

basic

8,284 4.7 1 min

Everyday Life

Rafter Length Calculator

Compute the length of a roof rafter and the pitch ratio (rise per 12 inches of run) from the run and rise of the roof.

basic

8,844 4.3 1 min

Sports

Grip Strength Percentile by Age and Sex Calculator

Classifies grip strength (dynamometer reading, kg) by age group and sex against normative data. Categories: Excellent >9...

basic

16,042 4.9 1 min

Finance / Investing

Simple Interest Calculator

Calculate simple interest and final balance for a principal over any period.

basic

6,867 4.8 1 min

Physics

Moody Chart Friction Factor Turbulent Flow Calculator

Calculates the Darcy-Weisbach friction factor using the Swamee-Jain explicit approximation to the Colebrook-White equati...

basic

7,055 4.3 1 min

Physics

Capacitor Charge and Energy Stored Calculator

Calculates charge Q = CV, energy stored E = ½CV², and charge/discharge time constant τ = RC for a capacitor of capacitan...

basic

406 3.9 1 min

Finance

Discounted Payback Period Calculator

Compute the discounted payback period of a project with a uniform annual cash flow: solve cost = CF · (1 − (1+r)⁻ᵗ) / r...

basic

14,771 4.7 1 min

Showing 133 to 144 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

Dog Breed Lifespan & Human Age Equivalent

SWOLF Swim Efficiency Score Calculator

Voltage Converter

Body Fat % US Navy Circumference Calculator

Cross-Country Skiing Speed & Effort Calculator

Sales-Tax-Inclusive Price Splitter

Rafter Length Calculator

Grip Strength Percentile by Age and Sex Calculator

Simple Interest Calculator

Moody Chart Friction Factor Turbulent Flow Calculator

Capacitor Charge and Energy Stored Calculator

Discounted Payback Period 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