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

Rule of 69.3 Doubling Time Calculator

Estimate the doubling time of a continuously compounding investment using the rule of 69.3 (T ≈ 69.3 / r%) and compare i...

basic

9,113 4.6 1 min

Health

Centor Score for Streptococcal Pharyngitis Calculator

Calculates the Centor score (tonsillar exudate, tender anterior lymph nodes, fever, absence of cough). Score 0–1: no ant...

basic

19,798 4.9 1 min

Finance

Annuity Due Present Value Calculator

Compute the present value of an annuity due — equal payments made at the beginning of each period. Differs from an ordin...

basic

16,721 4.1 1 min

Finance / Mortgage

Mortgage Escrow Calculator

Compute the monthly escrow contribution your lender adds to your mortgage payment for property taxes and homeowners insu...

basic

23,187 4.6 1 min

Finance / Investing

Binomial Option Pricing One-Step Tree Calculator

Prices a European call/put option using a one-step binomial tree. Up factor u, down factor d = 1/u, risk-neutral probabi...

basic

14,088 4.3 1 min

Finance

ROIC: Return on Invested Capital from NOPAT Calculator

Compute Return on Invested Capital — the most important measure of a company's economic performance: ROIC = NOPAT / Inve...

basic

968 4.3 1 min

Everyday Life / Shopping

Discount Stack Calculator

Compute the final price after stacking two percent-discount codes — for example a 30% off sale plus a 15% off voucher ap...

basic

11,212 4.7 1 min

Finance

Inflation-Adjusted Future Value Calculator

Convert a nominal future amount into today's purchasing power by discounting at an assumed annual inflation rate.

basic

22,642 4.6 1 min

Health

Calories Burned from MET, Body Weight, and Duration Calculator

Estimates calories burned: Cal = MET × 3.5 × weight(kg) / 200 × duration(min). METs: sleeping 0.9, walking 3.5, running...

basic

9,358 4.4 1 min

Sports

Vertical Jump Flight Time Calculator

Calculates vertical jump height from hang time (or vice versa) using kinematics, plus the average power output during th...

basic

10,051 4.6 1 min

Finance

Gross Rent Multiplier (GRM) Calculator

Compute the gross rent multiplier — a quick screening ratio for rental property valuation: GRM = property price / annual...

basic

13,786 4.0 1 min

Finance / Investing

NPV Calculator

Compute the net present value of an investment from a series of cash flows and a chosen discount rate. Negative numbers...

basic

7,229 4.8 1 min

Showing 217 to 228 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

Rule of 69.3 Doubling Time Calculator

Centor Score for Streptococcal Pharyngitis Calculator

Annuity Due Present Value Calculator

Mortgage Escrow Calculator

Binomial Option Pricing One-Step Tree Calculator

ROIC: Return on Invested Capital from NOPAT Calculator

Discount Stack Calculator

Inflation-Adjusted Future Value Calculator

Calories Burned from MET, Body Weight, and Duration Calculator

Vertical Jump Flight Time Calculator

Gross Rent Multiplier (GRM) Calculator

NPV 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