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 / Shopping

Markup Calculator

Calculate selling price from cost plus markup, or derive markup and margin from cost and selling price.

basic

6,041 4.5 1 min

Finance

Economic Value Added (EVA) from NOPAT and WACC Calculator

Compute Economic Value Added (Stern-Stewart): the dollar amount of value created above and beyond the cost of capital. E...

basic

7,273 4.7 1 min

Finance

Continuous Compound Interest Calculator

Compute the future value of a deposit under continuous compounding A = P·e^(rt), and compare it with annual compounding...

basic

13,116 4.6 1 min

Finance / Budgeting

Capital Gains Tax Calculator

Estimate the tax owed on a capital gain from sale price, cost basis, and the applicable long- or short-term tax rate.

basic

7,635 4.9 1 min

Everyday Life

Pool Chlorine Dose Calculator

Compute the ounces of 65% calcium hypochlorite (cal-hypo) needed to raise the free chlorine in a pool by a target ppm.

basic

8,771 4.8 1 min

Finance / Mortgage

Mortgage Refinance Break-Even Calculator

Compute the number of months it takes for the monthly savings from refinancing into a lower rate to recoup the upfront c...

basic

23,348 4.3 1 min

Conversions

Force Converter

Convert between common force units including newtons, kilonewtons, dynes, kilograms-force, pounds-force, and poundals.

basic

5,912 4.5 1 min

Physics

Archimedes Buoyancy & Displaced Fluid Calculator

Calculates the buoyant force, net upward force, and whether an object floats or sinks from its density, fluid density, a...

basic

19,154 3.9 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

18,952 3.9 1 min

Finance / Mortgage

PITI Monthly Payment Calculator

Compute the all-in monthly mortgage payment (PITI) — Principal, Interest, property Tax, and homeowners Insurance — given...

basic

6,535 4.6 1 min

Everyday Life

Window Energy Loss Calculator

Compute the heat lost through a window in BTU per hour from its U-value, area, and the indoor-outdoor temperature differ...

basic

22,707 4.5 1 min

Finance

Macaulay Bond Duration Calculator

Calculates the Macaulay Duration and Modified Duration of a bond from coupon rate, yield to maturity, face value, and ye...

basic

15,471 5.0 1 min

Showing 241 to 252 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

Markup Calculator

Economic Value Added (EVA) from NOPAT and WACC Calculator

Continuous Compound Interest Calculator

Capital Gains Tax Calculator

Pool Chlorine Dose Calculator

Mortgage Refinance Break-Even Calculator

Force Converter

Archimedes Buoyancy & Displaced Fluid Calculator

Binomial Distribution Exact Probability (PMF) Calculator

PITI Monthly Payment Calculator

Window Energy Loss Calculator

Macaulay Bond Duration 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