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

Forward Rate from Two Spot Rates Calculator

Compute the implied forward rate between two future periods from the corresponding zero-coupon spot rates: F = ((1 + s₂)...

basic

24,356 4.9 1 min

Finance

Information Ratio Calculator

Compute the information ratio — a measure of an active portfolio's excess return per unit of tracking risk taken vs its...

basic

6,719 3.8 1 min

Finance

Operating Margin Calculator

Compute a company's operating margin — the share of each sales dollar that survives after operating expenses: operating...

basic

24,680 3.9 1 min

Health

Estimated Blood Volume (Nadler) Calculator

Estimates total blood volume using Nadler's formula from sex, height, and weight. Used in haematology and transfusion me...

basic

2,872 4.2 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

9,114 4.3 1 min

Everyday Life

Septic Tank Sizing Calculator

Estimate the minimum septic tank capacity required by typical residential code, based on the number of bedrooms (each be...

basic

13,086 4.0 1 min

Conversions

Aspect Ratio Calculator

Compute the matching height for a chosen width (or width for a chosen height) so the new size keeps the original aspect...

basic

17,573 4.2 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

824 4.0 1 min

Finance

Net Operating Income (NOI) Calculator

Compute net operating income (NOI) for a rental / commercial property: gross potential income, less vacancy & credit los...

basic

11,211 4.4 1 min

Finance / Budgeting

Markup vs Margin Calculator

Compute both markup % (over cost) and margin % (over revenue) from the same cost and selling price — and see how they di...

basic

23,566 3.8 1 min

Conversions

Clothing Size Converter

Convert women's clothing sizes between US, UK, EU, and Italian (IT) systems using the standard offsets used by most appa...

basic

8,500 4.6 1 min

Finance

Net Debt to Assets Ratio Calculator

Calculates net debt to total assets, measuring balance-sheet leverage after subtracting cash from total debt.

basic

24,605 4.4 1 min

Showing 157 to 168 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

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Browse categories

Nadia Almasri

Forward Rate from Two Spot Rates Calculator

Information Ratio Calculator

Operating Margin Calculator

Estimated Blood Volume (Nadler) Calculator

Rafter Length Calculator

Septic Tank Sizing Calculator

Aspect Ratio Calculator

Maximal Aerobic Speed (MAS) Calculator

Net Operating Income (NOI) Calculator

Markup vs Margin Calculator

Clothing Size Converter

Net Debt to Assets Ratio 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