Apps Like WinFab - Sheet Metal Ductulator for iPhone and iPad
Calculate duct sizes and dimensions
Calculate duct sizes based on airflow requirements and space constraints. Input dimensions and airflow rates. Generate reports with material estimates and installation guidelines. Export data for sharing or record-keeping.
WinFab - Sheet Metal Ductulator screenshots
Ranked alternatives
Showing 101–120 of 1,000 ranked alternatives.


Pool-Calculator
Pool and Spa Resources, LLC
Calculate chemicals accurately
Calculate chemical dosages for pools or hot tubs based on water volume and test results. Input pH, alkalinity, and sanitizer levels to determine treatment amounts. Export results and share with service professionals.

MyCalculatorClient
Hossain Kabir
Calculate and convert currencies
Perform calculations with basic and scientific functions. Convert currencies using real-time exchange rates. Save calculation history and share results via email or messaging.


NPKalc - Fertilizer Calculator
Barton Cone
Calculate doses and units
Calculate requirements for granular and liquid types using various unit measurements. Input soil test results and desired nutrient levels. pplication rates for lawns, gardens, and crops. Export results for record-keeping.

ElectriCalc Pro
Calculated Industries, Inc.
Calculate and document electrical work safely
Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.

Offcuts
HoopSoup Inc
Generate cutting diagrams quickly
Create cutting diagrams for lumber and plywood sheets. Input project dimensions and material sizes. Generate optimized cut lists to minimize waste. Calculate required material quantities and costs. Export diagrams for manufacturing or fabrication.

Electrical Calc Elite
Cyberprodigy LLC
Calculate loads and circuits
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.

HVAC-calculator
Trond Rossvoll
HVAC calculations for building energy use.
The app performs HVAC calculations for building energy use. It helps users calculate SFP, temperature efficiency, air velocity, duct dimensions, and pressure drop.

Peptide Calculator: PepCalc
David Dzeveckij
Calculate dosages and reconstitute peptides accurately
Calculate dosages and reconstitution volumes with precision. Input details and desired concentration. ccurate mixing instructions. Track injection schedules and dosing history. Export results for record-keeping.

PV Calculator - off grid
Cristinel Bontas
Size solar systems with precise calculations
Calculate solar system requirements by inputting power consumption and daily sun hours. Size solar panels, battery bank, and charge controller based on energy needs and sunlight availability.

Trip Sheet Central
Trip Sheet Central LLC
Track fuel tax and manage trips
Manage trucking business data including reports, income, expenses, shippers, receivers, brokers, and accounting statements. Track IFTA fuel tax, monitor cash flow, and ensure FMCSA compliance. Securely access and update information from the .

ThreadKing
Motionics, LLC
Calculate thread sizes and dimensions
Provides drill and tap size charts for fractional, letter, and wire standards. It calculates drill sizes for cutting and forming taps based on thread percentage. It also computes RPM and feed rates for cutting taps in various materials.

Ultimate Car Audio App
Thomas VanSlambrouck
Wire subwoofers, calculate cone area, suggest amplifier
Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.

Loan Calculator (Installment)
EONSOFT
Calculate loans and track payments
Calculate monthly payments for loans with equal principal and interest repayments or equal principal payments. Input amount, term, and interest rate to determine payment schedules and remaining balances.

iEngineer
Perfectly Simple Apps LLC
Look up screw specs and dimensions
Access screw and bolt specifications with detailed dimensions and material grades. View US screws including 93 sizes and 74 material options. Purchase metric screws for 210 sizes and 86 material grades.

DHF Precious Metal Calculator
David H. Fell & Company, Inc.
Estimate precious metal scrap value easily.
The app estimates the value of scrap metal using London PM fix market prices. Users select the precious metal, purity, and enter the weight to calculate the value.

Mulch Calculator Plus
Calc Hub, LLC
Calculate for beds and areas
Calculate needed for flower beds, shrubbery, or other landscaped areas. Input dimensions in inches, feet, yards, centimeters, or meters. Output includes cubic yards, cubic feet, cubic meters, liters, and bag counts.

Craft Price Calculator
Biographics Consultoria E design Ltda Epp
Calculate costs with material inputs
Calculate project costs by entering materials, fees, and desired profit margin. ccurate pricing estimates. Track expenses and adjust margins for different projects. Export pricing details for record-keeping.

Metal Detector°
Arda Sen
Detect metals, track findings, and log locations
Detect objects underground and behind walls using advanced magnetic sensing. Identify object types and depths. Save and review detection logs. Share findings with others via social media.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.