Writing for freelancers? Give your readers a working calculator instead of a formula. Every FreelanceMath calculator can be embedded for free — no account, no tracking, no ads inside the embed.
Responsive, mobile-friendly, automatically resizes to fit
Works in WordPress, Ghost, Webflow, Squarespace, Notion sites and any HTML page
Free forever; just keep the small credit link under the calculator
Freelance Hourly Rate Calculator
Work backwards from the income you want to the minimum rate you must charge — after taxes, expenses and unpaid time. Preview →
Contractor vs Employee Calculator
Compare a salaried job offer with a contract rate, including benefits, retirement match, paid time off and extra taxes. Preview →
Project Pricing Calculator
Turn an hours estimate into a fixed-price quote with a risk buffer, deposit and payment schedule. Preview →
Freelance Runway Calculator
See how many months your savings last while your freelance income ramps up — and the month you break even. Preview →
Salary to Hourly Calculator
Convert an annual salary to hourly, daily, weekly and monthly pay — or an hourly rate back to a yearly salary. Preview →
Day Rate Calculator
Turn an hourly rate into day, half-day, weekly and monthly rates — and see your yearly revenue. Preview →
Rate Increase Calculator
See what a rate rise is worth — and how many hours you could lose and still earn the same. Preview →
Effective Hourly Rate Calculator
Divide what a project paid by every hour it really took — calls, revisions and admin included. Preview →
Per-Word Rate Calculator for Writers
Convert your hourly target into a per-word rate, and check what a client’s per-word offer really pays per hour. Preview →
Retainer Pricing Calculator
Price a monthly retainer, and see what you really earn per hour if the client uses more or less than agreed. Preview →
Value-Based Pricing Calculator
Price on the value you create, then compare it with what hourly billing would pay. Preview →
Rush Fee Calculator
Work out a fair surcharge when a client needs the work faster than your normal turnaround. Preview →
Freelance Discount Calculator
See how much more work you need to do to make up for a discount — it’s more than you’d think. Preview →
Freelance Tax Set-Aside Calculator
Know exactly how much of every client payment to move to your tax account — and your quarterly amounts. Preview →
Late Payment Fee Calculator
Calculate interest and fees on an overdue invoice, and the total the client now owes. Preview →
Freelance Platform Fee Calculator
Gross up your price so you still take home what you want after marketplace and payment fees. Preview →
Payment Terms Cash Flow Calculator
See how much cash your payment terms tie up — and how much shorter terms or deposits would free. Preview →
Freelance Income Goal Calculator
Break a yearly income goal into projects, clients and proposals you need each month. Preview →
Pay Yourself a Salary Calculator
Smooth out irregular freelance income: a steady monthly salary and the buffer you need to keep it steady. Preview →
Freelance Break-Even Calculator
The minimum billable hours each month to cover your living costs, business costs and taxes. Preview →
How to add it in WordPress
Edit your post and add a Custom HTML block.
Paste the embed code.
Preview and publish.
Want a calculator customized for your audience? Email us — we're happy to help.