Blog
Guides for contractors who’d rather be building
How Hewer runs leads, estimates, scheduling, crews and payments, and how to use the free Trade Toolkit calculators on the job. Real screens, plain words.
Trade Toolkit
Roofing calculator: squares, bundles and everything else to order
A free roofing material calculator: roof area, squares, shingle bundles, underlayment, edge metal and ridge cap, with waste, from the roof's size and pitch.
November 3, 2026
Trade Toolkit
Stair stringer calculator: risers, treads and the stringer cut
A free stair calculator: enter the total rise and get the riser height, tread count, total run, stair angle and stringer length, with a scale drawing of the flight.
Hewer features
Site visits: measure, photograph and mark up on the spot
How estimators use Hewer on a walkthrough: photos sorted into projects, dimensions drawn on the picture, works offline, and hands straight to the estimate.
Trade Toolkit
Roof pitch calculator: pitch, angle and rafter factor
A free roof pitch calculator: enter rise over 12, an angle or rise and run, or hold the phone on the roof, and get the pitch, the angle and the rafter multiplier.
Trade Toolkit
The Hewer Trade Toolkit: free calculators for the trades
Free field calculators for carpenters, electricians, plumbers, HVAC and roofers: stairs, wainscoting, conduit, pipe offsets, BTU, roof pitch and more. No account.
Hewer features
Everything Hewer does: a contractor CRM, field app and back office in one login
A plain tour of Hewer, the construction CRM for home-improvement contractors: leads, estimates, scheduling, the crew app, payments, reviews and the customer portal.
Hewer features
A customer portal your customers will actually use
Hewer gives every job a private, branded portal: status, photos, scope, who's coming, e-signature, payments and self-scheduling. No app or password for the customer.
Hewer features
Customer messages and calls, all on the job
How Hewer keeps every customer conversation in one place: message threads on the customer's record, AI reply drafts, and calls logged with transcripts and summaries.
Hewer features
The crew app: what your crew sees at 7am
Hewer's crew app for iPhone and Android: today's jobs with directions, one-tap clock-in, photos, supply requests and earnings, in English, Spanish or Russian.
Hewer features
Reviews and marketing for contractors, without a marketing hire
How Hewer helps contractors get more Google reviews and use job photos: review requests after every job, AI review insights, a Media Hub and caption drafts.
Hewer features
Invoicing and payments for contractors: get paid without chasing
Deposit invoices on approval, card, Apple Pay and Google Pay, Zelle, Venmo and Cash App handles, and every payment matched to its job. How invoicing works in Hewer.
Hewer features
Leads and estimates: from first call to signed contract
How Hewer turns a new lead into a signed job: one lead list, site visits, an estimate builder with real margin, e-signatures and a deposit invoice on approval.
Hewer features
Construction scheduling that your crew can actually follow
Hewer's calendar for contractors: month, week, day and timeline views, drag to reschedule, crew filters, weather, time off and Google Calendar sync.
Trade Toolkit
Conduit fill calculator: how many cables fit?
A free conduit fill calculator: pick the conduit type and trade size and the cable, and see how many fit, the percent fill, and the smallest conduit for your run.
Trade Toolkit
BTU calculator: what size mini split or AC does a room need?
A free BTU calculator for heating or cooling a room: enter the room size and get the load in BTU per hour, the unit size to buy in BTU and tons, and the kW.
Hewer features
An AI phone assistant that answers when you're on a ladder
Hewer's AI phone assistant answers your business line, tells callers about your company, takes details and books site visits. Callers can reach a person any time.
Try Hewer on a real job
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