Search tools and guides

Freelancer Rate Calculator

Calculate hourly, daily, weekly, and project rates from income goals, taxes, expenses, and billable hours.

Invoice Generator

Create professional invoices with payment terms, line items, and late fee language.

Late Fee Calculator

Calculate late payment interest and the total amount due on overdue invoices.

Project Estimator

Estimate project scope, timeline, cost, and contingency before sending a quote.

Proposal Generator

Generate client proposals with deliverables, timeline, investment, and next steps.

Salary to Hourly Calculator

Convert salary to hourly, daily, weekly, and monthly pay.

Debt Payoff Calculator

Compare debt avalanche and debt snowball strategies with payoff dates and interest savings.

Mortgage Calculator

Estimate mortgage payment, taxes, insurance, PMI, and amortization.

Budget Planner

Build a monthly budget using the 50/30/20 rule or custom categories.

Loan Comparison Calculator

Compare loans side by side by payment, APR, fees, and total interest.

Compound Interest Calculator

Model investment growth with contributions, compounding, and time.

Contract Generator

Draft contracts with scope, payment terms, milestones, and protections.

NDA Generator

Create a non-disclosure agreement for client, contractor, or startup conversations.

Math

Percentage Calculator

Calculate percentages, percent of a number, and percent change.

Math

Unit Converter

Convert common length, weight, temperature, volume, and speed units.

Health

BMI Calculator

Calculate BMI and understand what the category means.

SaaS Pricing Calculator

Model SaaS pricing, margins, customer counts, and revenue targets.

Marketing

Ad Profitability Calculator

Calculate ROAS, CPA, gross profit, and break-even ad spend.

Guides

Freelance contract payment terms that prevent awkward client problems

Learn the payment terms every freelancer should define before work starts: deposits, milestones, late fees, approval, ownership, and pausing work.

How to stop scope creep before it eats your freelance profit

A practical guide to preventing scope creep with clearer proposals, milestones, change requests, and client communication.

Late invoice email templates for freelancers

Copy-ready late payment reminder emails for day 1, day 7, day 14, and final notice follow-ups.

DIY legal documents vs hiring a lawyer: what you need to know

Compare DIY legal document services vs hiring a lawyer. Learn when you can save money with templates and when you need professional legal advice.

How to review a contract before signing: key clauses to check

Learn how to review any contract before signing. The key clauses to check, red flags to watch for, and when to walk away from a bad deal.

When you need an NDA (and when you don't)

Learn when a non-disclosure agreement is necessary and when it creates unnecessary friction. Practical NDA advice for startups and freelancers.

How to price your SaaS product: strategies that work

Learn SaaS pricing strategies from tiered to usage-based. Find the right price point, test your pricing, and maximize customer lifetime value.

MRR: the most important SaaS metric and how to grow it

Learn what Monthly Recurring Revenue (MRR) is, how to calculate it, and proven strategies to grow your MRR consistently.

How to calculate SaaS ROI for your business investment

Learn how to calculate the return on investment for SaaS tools. Evaluate software costs against productivity gains and revenue impact.

Marketing

Measuring ad profitability: ROAS and profit margins explained

Learn how to measure ad profitability with ROAS, ROI, and profit margin. Understand which metrics matter and how to optimize ad spend.

Marketing

How to write hooks that capture attention in 5 seconds

Learn how to write hooks for social media, emails, and blog posts. Proven formulas and examples that stop the scroll and get clicks.

How to manage your finances as a freelancer: a complete guide

Learn how to manage irregular income, save for taxes, track expenses, and build financial stability as a freelancer or self-employed professional.

How to price a creative project without undercharging

Learn how to price creative freelance projects. Task-based pricing, value-based pricing, and how to avoid the most common pricing mistakes.

How to transition from salary to freelance without financial stress

A step-by-step guide to leaving your 9-5 for freelancing. Learn how to calculate what you need, build a safety net, and make the switch.

Should you charge hourly or per project as a freelancer?

Compare hourly vs project-based pricing for freelancers. Learn which model works best for different types of work and how to switch between them.

The real difference between an employee salary and freelance income

Compare freelance income vs employee salary honestly. Factor in taxes, benefits, downtime, and overhead to see which comes out ahead.

How to write a winning freelance proposal that gets clients

Learn how to write proposals that win freelance projects. Structure, pricing, and proven templates for landing more clients.

How to estimate freelance projects accurately every time

Learn how to estimate freelance project timelines and costs. Avoid underquoting with proven techniques for scoping and pricing projects.

How to handle late-paying clients without ruining the relationship

Learn how to prevent late payments, what to do when a client is late, and how to charge late fees without damaging client relationships.

How to write a freelance invoice that gets paid on time

Learn how to create a professional freelance invoice. Essential elements, payment terms, late fees, and tips for getting paid faster.

Construction math: how to measure and estimate materials

Learn the essential math skills every contractor needs. Measure areas, estimate material quantities, and avoid costly overages or shortages.

Freelance taxes explained: what you owe and how to not get surprised

Complete guide to freelance taxes. Self-employment tax, quarterly estimated payments, deductions, and how to avoid an April surprise.

How to calculate how much concrete you need for any project

Learn how to estimate concrete volume for slabs, footings, columns, and stairs. Avoid waste and shortages with accurate calculations.

Due date calculator: how pregnancy due dates are estimated

Learn how due dates are calculated, why they are estimates, and what factors can affect your delivery date. Naegele's rule explained simply.

How to set your freelance hourly rate in 2025 (the formula that works)

A step-by-step formula for setting your freelance hourly rate. Factor in expenses, taxes, downtime, and profit to arrive at a rate that works.

The science of sleep: how much do you really need?

Learn how much sleep you need by age, the stages of sleep, and how sleep quality affects your health, productivity, and longevity.

How much water should you drink daily? A science-based guide

Learn how much water you really need each day based on your weight, activity level, and climate. Factors that increase your hydration needs.

How many calories does exercise really burn?

See the real calorie burn for walking, running, cycling, swimming, and strength training. Learn how to estimate calories burned accurately.

How to calculate your debt-to-income ratio (and why lenders care so much)

Learn how to calculate your DTI ratio. What is a good DTI, how lenders use it, and how to improve yours before applying for a loan.

How many calories do you need? TDEE explained

Learn about Total Daily Energy Expenditure (TDEE). Understand how your body burns calories and how to calculate your maintenance calories.

Understanding BMI: what it means and its limitations

Learn what BMI measures, how to calculate it, and why it is not the full picture. Understand its limitations for athletes and older adults.

When should you claim Social Security? The breakeven math explained

The breakeven age for Social Security determines when delaying benefits pays off. See the math behind claiming at 62 vs 67 vs 70 and find your optimal age.

How to calculate square footage for any home project

Learn how to measure and calculate square footage for flooring, painting, tiling, and landscaping. Formulas for rectangles, circles, and odd shapes.

How to claim every tax deduction you're entitled to as a self-employed person

Complete guide to self-employed tax deductions. Home office, vehicle, health insurance, equipment, and more. Maximize your write-offs legally.

Time zone math: how to convert time zones without confusion

Learn how to convert between time zones for travel, remote work, and international business. Understand UTC, DST, and time zone offsets.

How to calculate your exact age in years, months, and days

Learn how to calculate your precise age including years, months, and days. Understand age calculation for legal, medical, and personal use.

How to convert units like a pro: a practical guide

Master unit conversions for length, weight, volume, and temperature. Learn the formulas, common conversions, and when to use them.

The real cost of a mortgage: what banks don't tell you upfront

Mortgage costs go far beyond the interest rate. Learn about PMI, closing costs, property taxes, and the true total cost of buying a home.

Understanding discounts: how to calculate your real savings

Learn how to calculate discounts, compare percentage off vs dollar off, and avoid common shopping math mistakes that cost you money.

How inflation erodes purchasing power: a 10-year analysis

See how inflation has reduced the purchasing power of the US dollar over the last decade. Real-world examples and what it means for your savings.

How to calculate percentages in everyday life

Master percentage calculations for tips, discounts, taxes, and more. Learn simple formulas and mental math tricks for everyday situations.

How to build a cash flow forecast for your small business

Learn how to forecast cash flow for your business. Track income and expenses, predict shortfalls, and make smarter financial decisions.

What is compound interest and why Einstein called it the 8th wonder

Compound interest explained simply. Learn how earning interest on your interest makes your money grow faster. Examples, formulas, and strategies.

Break-even analysis for small businesses: find your profit point

Learn how to calculate your break-even point. Understand fixed costs, variable costs, and how many units you need to sell to be profitable.

How to use Excel for financial modeling: a beginner's guide

Learn financial modeling in Excel from scratch. Build forecasts, track budgets, and create professional financial models for your business.

What is a good salary? How to evaluate a job offer

Learn how to evaluate a job offer beyond the base salary. Understand total compensation, benefits, and how to negotiate your next raise.

How to build a monthly budget that actually works (with the 50/30/20 rule)

Learn the 50/30/20 budgeting rule. A simple framework for managing your money: 50% needs, 30% wants, 20% savings. Step-by-step guide with examples.

How to build an emergency fund in 6 months or less

A step-by-step guide to building a 3-6 month emergency fund. Learn how much you need, where to keep it, and how to save faster.

How mortgage amortization works and why early payments matter

Understand mortgage amortization schedules, how interest is front-loaded, and why extra early payments save you thousands in interest.

What is a good net worth by age in 2025?

See average and median net worth by age in the US. Find out where you stand and what net worth target to aim for at every decade.

The complete guide to tax deductions for self-employed professionals

Every tax deduction available to self-employed professionals. Learn what you can deduct, how to track expenses, and how to maximize your write-offs.

Debt avalanche vs debt snowball: which method saves more money?

Compare avalanche and snowball debt payoff methods. See which saves you more in interest and which keeps you motivated. Real examples included.

How your credit score is calculated and how to improve it

Understand how FICO and VantageScore credit scores are calculated. Learn the 5 factors that determine your score and how to improve each one.

Comparing loans: APR, fees, and total cost of borrowing

Learn how to compare loans beyond the interest rate. Understand APR, origination fees, closing costs, and how to find the cheapest loan.

How to calculate compound interest by hand (and why you should understand it)

Learn the compound interest formula and how to calculate it by hand. Understand why compounding is the most powerful force in personal finance.

How to read your paycheck: taxes, deductions, and net pay

Learn what every line on your paycheck means. Understand federal and state taxes, FICA, benefits deductions, and how your net pay is calculated.

VAT explained for freelancers and small businesses

A complete guide to VAT for freelancers and small business owners. Learn when to register, how to charge, and how to file VAT returns.

How exchange rates work and when to lock in a rate

Understanding currency exchange rates for travel and business. Learn how rates are set, when to lock in, and how to avoid bad exchanges.

Understanding investment returns: CAGR vs simple returns explained

Learn the difference between CAGR and simple returns. Understand how to measure investment performance and why compounding matters.

How to plan for retirement in your 30s, 40s, and 50s

Retirement planning guide by decade. Learn how much to save, where to invest, and what milestones to hit in your 30s, 40s, and 50s.