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Free calculators for contractors

18 of them, across 5 markets. The dates that cannot be recovered, the tax point everybody remits too early, and the pricing arithmetic that quietly costs a solo contractor a job a year. No signup, no email, no trial.

Every statutory period on these pages is read from a published rule register at the moment you load it, and every page prints the register key, the source it was taken from and the day it was last checked against that source. Where a rule cannot be read, the page says so instead of printing a remembered number.

Getting paid

Tax

Pricing

Insurance and payroll

Before you click one

Are these calculators really free?
Yes. There is no signup, no email wall and no trial. Every page computes the answer and shows the arithmetic behind it.
Where do the numbers come from?
Every statutory period and rate is read at runtime from a published rule register, and each page prints the register key, the published source and the date the figure was last read from it. Nothing is typed in from memory.
Which places are covered?
Ontario, the United Kingdom, Florida, Texas and California, each on its own statute. The markup and margin calculator is arithmetic and is correct anywhere.

These are the arithmetic. The product does it on your actual jobs.

A calculator answers the question the day you come and ask it. On your own jobs, every one of these dates and figures is already counted: the lien clock runs on the deal, the holdback comes off the invoice by itself and sits on a countdown until the day it becomes claimable, HST goes on at the right rate, and the day 28 that a general contractor has gone quiet past is a red row on your screen.

Reply to an email from the truck and the invoice goes out. There is no monthly charge: the platform earns a small percentage of the invoices that go through it, collected on the payment due date.