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

Sports / Running

Running Mechanical Power (Watts) Calculator

Estimates the mechanical running power output in watts from body mass, running speed, grade, and air density (drag appro...

basic

13,646 4.6 1 min

Sports

Archery Arrow Trajectory & Drop Calculator

Calculates arrow drop and time of flight at a given target distance from muzzle velocity and launch angle, ignoring drag...

basic

9,779 4.2 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

1,121 4.2 1 min

Physics

Battery Amp-Hour & Runtime Calculator

Calculates battery runtime from capacity (Ah), load current, depth of discharge, and battery efficiency.

basic

6,691 4.4 1 min

Physics

Rankine Cycle Efficiency and Work Output Calculator

Calculates the thermal efficiency and net specific work output of a Rankine steam power cycle from four state-point enth...

basic

2,613 4.4 1 min

Finance / Budgeting

Opportunity Cost Calculator

Compute the future value forgone by spending an amount today rather than investing it at a given annual return for a cho...

basic

6,971 4.9 1 min

Everyday Life

Lawn Fertilizer Calculator

Compute how many pounds of bagged fertilizer to spread on a lawn for a target nitrogen rate (lb of N per 1000 ft²) given...

basic

13,511 4.3 1 min

Finance

Operating Profit Margin Calculator

Calculates operating profit margin as EBIT divided by revenue, measuring operating efficiency before interest and taxes.

basic

10,226 4.4 1 min

Conversions

Capacitance Converter

Convert between common capacitance units: farad, millifarad, microfarad, nanofarad, and picofarad.

basic

20,235 4.9 1 min

Finance / Loans

APR Calculator

Convert a loan's fees and interest rate into an annual percentage rate — the rate that actually reflects the cost of bor...

basic

17,154 4.1 1 min

Finance / Retirement

401(k) Growth Calculator

Project the future balance of a 401(k) given salary, contribution rate, employer match, expected return, and years to re...

Featured basic

8,933 3.9 1 min

Finance / Investing

529 College Savings Calculator

Project the future value of a 529 college savings plan from current balance, monthly contributions, expected return, and...

basic

4,311 4.2 1 min

Showing 73 to 84 of 402 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

Mar 16, 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

Feb 6, 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

Jan 9, 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

Nov 12, 2025 3 min

Best Free Calculator

Browse categories

Nadia Almasri

Running Mechanical Power (Watts) Calculator

Archery Arrow Trajectory & Drop Calculator

Body Fat % US Navy Circumference Calculator

Battery Amp-Hour & Runtime Calculator

Rankine Cycle Efficiency and Work Output Calculator

Opportunity Cost Calculator

Lawn Fertilizer Calculator

Operating Profit Margin Calculator

Capacitance Converter

APR Calculator

401(k) Growth Calculator

529 College Savings Calculator

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

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

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

The State of Consumer Calculators in 2026: A Short Report