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ALL FREE CALCULATORS BELOW ARE BASED ONMicrosoft Excel spreadsheets or Microsoft Works spreadsheets.. (Excel or Works software is required) These calculators are ALL FREE and have no time limit. All information obtained (from the spreadsheet calculators) should be verified for accuracy before use. All calculations and information should be considered approximate. User retains all liability for use. Griffithplans.com makes no representations as to accuracy or suitability of purpose for any of the calculators.
Enter data into yellow shaded cells. Info in bold print contains formulas and should not be changed. The calculators contain sample data in yellow shaded cells. Save a backup copy in case you accidentally delete a formula. As you use the calculators you will learn the way each one works. We do not recommend changing any of the cell formulas. The formulas are interlinked and changing formulas may yield incorrect results. You may freely copy these calculators for your own personal use. Please refer your friends to our website Griffithplans.com if they would like to download a copy of any of our free calculators. We hope you find these useful.
These are small files and will download quickly, even on dialup.
RIGHT CLICK AND SELECT “SAVE LINK OR TARGET” TO DOWNLOAD (LEFT CLICKING MAY NOT WORK)
ADA RAMP LENGTH CALCULATOR
Calculates handicap ramp length and height. User inputs ramp height needed and length is calculated automatically. Shows ramp segment length. Performs 34 calculations instantly as user inputs data.
ANCHOR BOLT CALCULATOR for metal buildings
Calculates bolt size needed based on steel strength, wind load, conc edge distance, cone size and bolt embedment length. Intended for bigger buildings including metal storage type buildings. Also calculates concrete column pad sizes based on wind loading.
BUILDING WEIGHT CALCULATOR
Calculates building weight based on many types of structures and sizes. Can separate wall weights, roof weights and floor weights or add them all together. Over 51 weights of building materials are included. User inputs wall height and length. Weights are calculated based on wall, roof or floor type chosen. Performs 214 calculations instantly as user inputs data.
CONSTRUCTION COST CALCULATOR block building
Calculates basic building cost, cost plus profit total, and over 60 other cost items. Also calculates approximate quantities for drywall, concrete slab, block walls, shingle roof, tile, fill dirt, and sod and other valuable info. Breaks down the estimate into real world totals. Pricing shown can be adjusted up or down and modified to suit area prices. Performs 429 calculations instantly as user inputs data. Also includes a section that separates contract checklist items like allowances and items to be included and excluded. A recommended draw schedule is attached for the contractors benefit. Also comes with an estimate for the Lender that gives the total cost and builder proceeds. We should charge for this one, but we don’t!!
DECK WEIGHT AND COST CALCULATOR
Calculates deck building costs and weights for cast in place concrete floors, floor truss and floor joists. Performs 44 calculations instantly as user inputs data.
FRAME WALL FOOTING & anchor bolt calculator
Calculates bolt size needed and footing size based on wall weight and wall area and wind loading. Intended for typical wood frame construction. Also calculates bolt embedment and strength. User inputs wall sizes, soil bearing psf etc. Performs 68 calculations instantly as user inputs data.
LOG WALL FOOTING and anchor bolt calculator
Calculates weights of log walls based on height and length. Uses log wall weight to calculate footing sizes. Also calculates weight of solid concrete basement walls. Also calculates bolt embedment and strength. User inputs wall sizes, soil bearing psf etc. Performs 68 calculations instantly as user inputs data.
Uses wind loading and building height to calculate overturning load. Also calculates footing sizes and weights and concrete quantity to prevent building over turning in high wind load. Calculates soil resistance, and other factors. Performs 54 calculations instantly as user inputs data.
SITE PLAN AREA CALCULATOR
Calculates pervious and impervious areas by deducting building and pavement from total site area. Vegetated islands can be added separately. Gives all relevant sf calculations and percents of each area.
SITE PLAN SLOPE CALCULATOR
Calculates slopes for site plan paving based on user input. Enter low points and slope lengths and percent of slope needed. Gives elevations for proper drainage and lowest finished floor elevations for structures and other valuable info. Performs 131 calculations instantly as user inputs data.
Calculates windloads on building roof and walls. Roof input can be adjusted for most roof slopes. It can convert basic wind speed to ASCE wind speed. There is also a degrees to radians converter, also a chart that converts roof pitches to degrees. If you enter footing sizes it will calculate concrete weight and cubic yards. Performs 26 calculations instantly as user inputs data.
Download Microsoft Works version
CALCULATOR DOWNLOADS/ INSTRUCTIONS