Free Mga Tool for Mga Interior Designer, Mga Arkitekto, Mga Photographer & Mga Art Gallery

The calculations and documents a practice reaches for on every project, done the way a professional workroom, lighting plan, drawing set or exhibition would do them. Complimentary, from Nakada Design, the Los Angeles marketing agency for interior designers, architects, photographers and art galleries.
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Rug Size Calculator

The rug size a designer would specify: by room, bed or dining table, with placement rules and a visual preview.

Recessed Lighting Calculator

Paano many recessed lights, exact spacing and wall offsets: the lumen method plus the ceiling-height rule, with a layout diagram.

Fabric Yardage Calculator

Upholstery yardage from the standard workroom chart and drapery yardage with fullness and pattern repeat.

Wallpaper Calculator

Rolls to order (US double rolls, Euro rolls or grasscloth) with the strip math and repeat rounding installers use.

Board & Batten Calculator

Perfectly even batten spacing to the sixteenth of an inch, a cut list and an elevation diagram for any wall.

Crown Molding Calculator

Linear feet, stock pieces and cost, plus the exact compound miter and bevel angles for inside and outside corners.

Stair Calculator

Riser count and height, tread depth, total run, stringer length and angle from a floor-to-floor measurement, with a building-code check.

For Your Studio

Interior Design Fee Calculator

Build your hourly rate from income and overhead, price flat fees by scope, and model markup and per-square-foot fees.

For Your Studio

Contract & Proposal Builder

Check off the clauses you need (scope, markup disclosure, purchasing, photo rights, kill fee) and generate a formatted letter of agreement to copy, print or download.

Marketing & Social

Instagram Caption Generator

Captions, hashtag sets and bio lines written for interior designers. Choose a post type and generate on-brand copy in seconds.

Marketing & Social

Instagram Engagement Rate Calculator

Enter followers and average likes, comments, saves and shares to get your true engagement rate and how it compares.

Client Onboarding

Client Intake Questionnaire Builder

Pick the project type and sections (lifestyle, budget, style vocabulary, decision-makers, timeline) and generate a branded discovery questionnaire to copy, print or send to a new client.

Studio Economics

Client Lifetime Value & ROI Calculator

Ano a client is really worth across repeat work and referrals, what a single inquiry is worth, and the rational marketing budget and return behind it, in your own numbers.

ChatGPT Prompts for Mga Interior Designer

Thirty field-tested prompts for client emails, concept statements, project descriptions, sourcing comparisons and Instagram copy. Filter, copy and use.

Interior Design Business Pangalan Generator

Hundreds of studio name and tagline ideas by focus and style (your own name, material and nature words, or clean modern marks) with one-click domain and Instagram checks.

Google Business Profile Grader

Score your Google Business Profile against the fifteen factors that decide whether you show up in the local map pack, and get a prioritized action plan to climb. For designers and architects.

Web & Marketing

Website Checkup Quiz

A 15-question audit that scores your website 0-100 on design, portfolio, mobile, speed, SEO, lead capture and trust, with a prioritized fix list. Find out if your site wins or loses clients.

Web & Marketing

Luxury Web Index Grader

Enter an address and receive the Luxury Web Index score live: four pillar marks, a total out of 100 and your place among the 92 ranked luxury websites, measured with the study's own formula.

AI Room Restyle

A furnished room redesigned in Japandi, Art Deco, Parisian and more. The architecture and view stay; the direction changes. For showing a client a direction before demolition day.

Site & Daylight

Sun Path Diagram Generator

An accurate stereographic solar chart for any latitude (solstice and equinox arcs, hourly positions) to download as SVG or PNG.

Site & Daylight

Site Analysis Checklist

A project-specific checklist across all six layers of site analysis: climate, zoning, context, site, sensory, synthesis. Print or copy it.

Roof Pitch & Rafter Calculator

Rafter length, ridge height, roof angle and area for gable, hip and lean-to roofs from span and pitch.

ADA Ramp Calculator

Required ramp length at 1:12, landing positions and handrail triggers from a total rise, with code-compliant slope checks.

Beam & Joist Span Calculator

Estimated maximum span for joists, rafters and beams from species, grade, size, spacing and load: bending, shear and deflection, engineer-verify.

Cost to Build a House Calculator

Construction cost by area, quality tier and region, with a hard-and-soft-cost breakdown, contingency and a blended cost per square foot.

Zoning & Feasibility

FAR, Lot Coverage & Parking Calculator

Maximum buildable area, lot coverage, required parking and density with pass/fail checks and a scaled site diagram.

Architect Fee Calculator

Billing rates from salary, overhead and profit, project fees as a percentage of construction cost, and fee-to-hours budgeting.

AXP Hours Calculator

Track your NCARB experience hours across the six areas and get a projected licensure date at your current working pace.

Architecture Proposal Generator

A complete, structured fee proposal letter (scope by phase, fee basis, exclusions and terms) ready to copy, print or download.

AI Prompts for Mga Arkitekto

Twenty-four field-tested ChatGPT and Midjourney prompts for narratives, zoning memos, specs, RFIs, client emails and visualization.

Architectural Scale Converter

Convert paper measurements to real dimensions at any imperial, engineering or metric scale, rescale a reprinted set, and pull the CAD scale factor and viewport zoom.

Occupant Load & Egress Calculator

IBC occupant load, required exits and egress width from area and use, plus an IRC egress-window checker for the 5.7 sq ft clear-opening rule.

Energy & Envelope

R-Value & U-Value Calculator

Stack up a wall, roof or floor assembly for total R-value, U-factor and an IECC climate-zone check, with a full insulation R-value chart.

Website Image Size Checker

Fetches any page and weighs every image on it: file sizes, formats, lazy loading and alt coverage, graded 0-100 with the fixes ranked by impact. Built for image-heavy portfolio sites.

Photography Contract & Release Builder

Build a session contract, model release, print release and invoice. Fill in the blanks, then print or download. No signup.

Print & Resolution

Print Resolution Calculator

Convert pixels to inches at any DPI and check whether a photo prints sharp at 8×10, 16×20 or 40×60 before you send it to the lab.

Watermark Maker

Add a text or logo watermark to your photos and batch-apply, entirely in your browser, so your images never leave your device.

Shot List & Timeline Generator

Editable, printable shot lists for weddings, portraits, products and more, plus a wedding-day timeline built backward from the ceremony time.

Light & Planning

Golden Hour Calculator

Today's golden and blue hour for any location and date, with sunrise, sunset and solar noon and a visual timeline of the day's light.

Light & Listings

Virtual Twilight & Day to Night

Turn a daytime exterior into blue-hour twilight or true night. Free Cloudflare Gawaers AI (FLUX.2 [klein]) with structure-preserving relight for real estate and architecture.

AI Virtual Staging

Upload an empty room and receive it furnished in a chosen style, architecture held. Virtual staging for listings, with the disclosure guidance to use it properly.

Listing Photo Declutter

Everyday clutter, vehicles, bins and wires removed from a photo while the furniture and the room stay exactly as shot.

AI Sky Replacement & Relight

Overcast to clear blue sky, golden hour or sunset, plus a lush lawn repair. The architecture stays; only the light and sky change.

Business Pangalan Generator

Hundreds of studio name and slogan ideas by genre and style, with one-click links to check domain and Instagram handle availability.

Depth of Field & Hyperfocal Calculator

Near and far focus limits, hyperfocal distance, angle of view and full-frame equivalent for any sensor, focal length and aperture, with a visual focus map.

Pricing & Cost-of-Doing-Business Calculator

Your true day rate and hourly rate from your Cost of Doing Business, a session price builder from time and costs, and the bookings you need to break even.

Portfolio & Career

Artist Statement, Bio & CV Generator

Answer a few prompts about your medium, themes and process and get an editable artist statement, a short, medium and long third-person bio, and a formatted CV.

Exhibition Wall Label Generator

Correctly formatted museum or gallery artwork labels (artist, title, medium, dimensions, credit line), then a ready-to-cut label sheet to print for the whole show.

Art Exhibition Press Release Generator

Fill in the gallery, artist, show and dates for a properly formatted release: headline, dateline, body, artist bio, boilerplate and the closing ###.

Sales & Provenance

Certificate of Authenticity Generator

A professional, print-ready certificate of authenticity (title, year, medium, edition and signature lines), the signed proof that travels with a work as provenance.

Artwork Pricing Calculator

Price a work by the linear-inch or time-and-materials method, get a price per square inch for consistency, and see your take-home after the gallery commission.

Artwork Alt Text Generator

Accessible alt text under 125 characters, an SEO variant for image search, and a long description for screen readers. Better for visitors and for Google Images.

Artwork Mockup Generator

Upload a painting or print and see it hung, framed and lit, above a sofa or on a gallery wall, at realistic scale. The room is generated; the work stays faithful.

Nothing matches that search.

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Bakit a Marketing Agency Builds Complimentary Design Mga Tool

Because this is what we sell, demonstrated instead of described. Nakada Design grows interior design studios and architecture firms with SEO, content, advertising and AI automation. Useful, accurate, beautifully made resources are exactly what wins attention from search engines, AI assistants and affluent clients alike.

Use the tools freely, share them with your team, link to them from your own site. And if you want this kind of visibility working for your practice (clients finding you at the moment they need a designer or architect), that is the system we build. For studios, start with our digital marketing service for interior designers or SEO service for interior designers; for firms, our digital marketing service for architects or web design for architects. And if you'd rather have ready-made copy than calculators, take our complimentary marketing templates for interior designers and marketing templates for architects: fill-in-the-blank emails, proposals and website copy.

Tell us what your practice needs next. We read every suggestion and build the ones that earn their place.

In the garden of time, we'll soon meet
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