Dengaro

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DengaroApply for financing

Calculators

Run the quantities before you price the job.

Planning calculators for materials, area, and illustrative loan payments. Prices and rates are inputs you set, not quotes or offers. Payment, lease, and tax tools stay on the financing calculators page.

Concrete, gravel and bulk materials

concrete calculator

Concrete Calculator

Concrete calculator for slabs, footings, and a self leveling concrete calculator mode that counts bags from the coverage on the product.

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gravel calculator

Gravel Calculator

Gravel calculator for driveways and bases. Convert cubic yards to tons for pea gravel, crushed stone, aggregate, and crushed concrete.

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rock calculator

Rock Calculator

Rock calculator and stone calculator for river rock and landscape rock, including a rip rap calculator and a riprap calculator.

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sand calculator

Sand Calculator

Sand calculator for bedding, paver base, and fill. Estimate cubic yards and tons from area, depth, and a density you can edit.

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soil calculator

Soil Calculator

Soil calculator for topsoil, dirt, and fill. Estimate cubic yards and a material cost from the area, depth, and price you enter.

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mulch calculator

Mulch Calculator

Mulch calculator for beds and paths. Convert area and depth into cubic yards, coverage per yard, and a mulch cost from your price.

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asphalt calculator

Asphalt Calculator

Asphalt calculator for driveways and patches. Estimate tons from area and compacted depth, including an asphalt driveway cost from your price per ton.

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concrete block calculator

Concrete Block Calculator

Concrete block calculator and brick calculator. Count units from the wall area using nominal size, with a mortar estimate you can edit.

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rebar calculator

Rebar Calculator

Rebar calculator for a straight slab grid. Estimate bar count, linear feet, and weight for #3 through #6 bar.

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steel weight calculator

Steel Weight Calculator

Steel weight calculator for a rectangular plate. Switch density for an aluminum weight calculator or another sheet metal weight calculator.

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Building and site projects

stair calculator

Stair Calculator

Stair calculator for a straight run. Find the riser count, riser height, total run, stringer length, and the 2R + T check.

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roof pitch calculator

Roof Pitch Calculator

Roof pitch calculator and rafter calculator. See the angle, slope factor, and common rafter length from rise, run, and horizontal span.

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roofing calculator

Roofing Calculator

Roofing calculator for shingle squares. Turn a footprint and a pitch into roof area, squares, and bundles, including waste.

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paint calculator

Paint Calculator

Paint calculator for walls. Estimate gallons from room size, openings, coats, and the coverage printed on the can.

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drywall calculator

Drywall Calculator

Drywall calculator for 4×8 and 4×12 sheets. Estimate sheet count from wall area, openings, and waste.

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deck calculator

Deck Calculator

Deck calculator for boards and joists. Estimate decking rows, board count, and joist count. Not a full deck cost or structural design.

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fence calculator

Fence Calculator

Fence calculator for panels or pickets. Estimate panels, posts, or picket count, and a material cost from your unit price.

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tile calculator

Tile Calculator

Tile calculator and flooring calculator. Count tiles from the room size and the tile size, with waste and your price per tile.

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paver calculator

Paver Calculator

Paver calculator for patios, including a paver sand calculator for the bed and a polymeric sand calculator from pounds per square foot.

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sod calculator

Sod Calculator

Sod calculator for lawns. Estimate square feet, rolls, pallets, and a sod cost or installation material cost from your price per square foot.

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board foot calculator

Board Foot Calculator

Board foot calculator and lumber calculator. Convert nominal thickness, width, length, and piece count into board feet and a lumber cost.

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pool volume calculator

Pool Volume Calculator

Pool volume calculator for gallons, plus a pool salt calculator, a label-scaled pool chemical calculator, and turnover flow for a pool pump calculator.

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dilution calculator

Dilution Calculator

Dilution calculator using C1V1 = C2V2. Scale a bleach dilution calculator, chemical dilution calculator, or soft wash mix calculator from concentrations you enter.

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insulation calculator

Insulation Calculator

Insulation calculator for spray foam board feet, batt rolls, and R-value from thickness times the R per inch on the product sheet.

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carpet calculator

Carpet Calculator

Carpet calculator for square yards, waste, and a carpet cost from your price. Switch the unit for a vinyl calculator sold by the square foot.

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grout calculator

Grout Calculator

Grout calculator from tile size, joint width, and joint depth. Switch to a thinset calculator that uses the square feet per bag on the product.

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cfm calculator

CFM Calculator

CFM calculator from room volume and air changes per hour. Use it as a ventilation calculator. Compressor CFM is the tool rating you add up, not this room formula.

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epoxy calculator

Epoxy Calculator

Epoxy calculator and resin calculator from the kit's square feet per gallon. Add coats and waste, then a price, for an epoxy flooring cost.

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fabric calculator

Fabric Calculator

Fabric calculator and fabric yardage calculator for curtains, panels, and a simple quilt backing. Widths are rounded up, then converted to yards.

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Pricing and financing estimates

profit margin calculator

Profit Margin Calculator

Profit margin calculator and markup calculator. Find a selling price from markup or margin, or read the margin on a price you already charge.

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interest calculator

Interest Calculator

Interest calculator for simple interest, compound interest, and the total interest on an amortizing loan. Illustrative only, not a rate offer.

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amortization calculator

Amortization Calculator

Amortization calculator for a fixed loan payment. See the monthly payment, total interest, and a month-by-month principal and interest schedule.

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commercial loan calculator

Commercial Loan Calculator

Commercial loan calculator for an illustrative equipment payment. Also a business loan calculator and small business loan calculator for a fixed amortizing payment.

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overtime calculator

Overtime Calculator

Overtime calculator for weekly hours, an hourly rate calculator from salary, and a labor burden calculator. Pay math only, not legal advice.

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commercial mortgage calculator

Commercial Mortgage Calculator

Commercial mortgage calculator for an educational fixed payment. Dengaro does not offer commercial mortgages.

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sba loan calculator

SBA Loan Calculator

SBA loan calculator for an educational amortizing payment. Dengaro does not offer SBA loans.

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construction loan calculator

Construction Loan Calculator

Construction loan calculator for interest on an average balance. Dengaro arranges equipment financing for construction equipment.

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business valuation calculator

Business Valuation Calculator

Business valuation calculator using an earnings multiple and an asset minus debt figure. Not an appraisal. Dengaro arranges equipment financing.

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break even calculator

Break Even Calculator

Break even calculator for the units that cover fixed costs. Price minus variable cost is the contribution. Not an approval and not a forecast Dengaro promises.

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cash flow calculator

Cash Flow Calculator

Cash flow calculator for ending cash from an opening balance, cash in, and cash out. An illustration, not a forecast or an approval.

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debt service coverage ratio calculator

Debt Service Coverage Ratio Calculator

Debt service coverage ratio calculator: net operating income divided by annual debt service. An illustration, not an approval standard from Dengaro.

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business line of credit calculator

Business Line of Credit Calculator

Business line of credit calculator for an interest-only illustration. Dengaro does not offer a business line of credit.

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working capital calculator

Working Capital Calculator

Working capital calculator: current assets minus current liabilities, plus the current ratio. Dengaro arranges equipment financing.

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Construction

septic tank size calculator

Septic Tank Size Calculator

Septic tank size calculator from bedroom count. A planning septic tank calculator: 150 gallons a day per bedroom. Not a permit.

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retaining wall calculator

Retaining Wall Calculator

Retaining wall calculator for block count and a retaining wall cost calculator from the price per block you enter.

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beam calculator

Beam Calculator

Beam calculator for a simply supported rectangular beam: allowable load, bending stress, deflection, and a span calculator from the load you enter.

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pool cost calculator

Pool Cost Calculator

Pool cost calculator from your price per square foot of water, deck price, and an equipment allowance. All prices are estimates you enter.

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construction cost calculator

Construction Cost Calculator

Construction cost calculator from your price per square foot, plus a demolition cost calculator line. Both prices are estimates you enter.

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sealcoat calculator

Sealcoat Calculator

Sealcoat calculator for gallons and an estimated cost from the coverage and the price per gallon you enter.

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french drain calculator

French Drain Calculator

French drain calculator for trench gravel and pipe length. The drainage calculator mode uses the rational method for peak runoff.

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excavation calculator

Excavation Calculator

Excavation calculator for bank yards and loose haul yards. Also a trench calculator, earthwork calculator, bulking factor calculator, and soil compaction calculator.

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dumpster calculator

Dumpster Calculator: Size, Weight and Loads

Dumpster calculator for debris volume, dumpster size, weight and loads. Set loose density and a hauler-confirmed payload limit for a planning estimate.

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parking lot calculator

Parking Lot Calculator: Size, Striping and Cost

Parking lot calculator for area, concept space count, divider striping and estimated paving cost. Compare a 90° layout or price striping from your existing rows.

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Agriculture

fertilizer calculator

Fertilizer Calculator

Fertilizer calculator from nutrient pounds and analysis percent. Includes a fertilizer rate calculator, a lime calculator, a pesticide calculator, and a spray rate calculator.

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corn yield calculator

Corn Yield Calculator

Corn yield calculator from scale weight and moisture, or from an ear count. The same yield calculator adjusts pounds to a 56 pound bushel.

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plant spacing calculator

Plant Spacing Calculator

Plant spacing calculator for plants per acre from row and in-row spacing. The plant population calculator multiplies by the acres you enter.

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grain bin calculator

Grain Bin Calculator

Grain bin calculator for bushels in a round bin. The grain bin capacity calculator adds an optional peak on top of the sidewall.

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gpm calculator

GPM Calculator

GPM calculator for gallons per minute, pump head, hydraulic flow, and sprinkler precipitation. Also a water flow calculator, pump sizing calculator, irrigation calculator, and irrigation flow calculator.

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greenhouse heating calculator

Greenhouse Heating Calculator

Greenhouse heating calculator for conduction loss: exposed area times a U-factor times the temperature difference.

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hay calculator

Hay Calculator

Hay calculator for pounds, tons, and bales from head, daily intake, and days. The hay bale calculator divides by the bale weight you enter.

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feed calculator

Cattle Feed Calculator: Dry Matter & Feed Cost

Cattle feed calculator for daily dry matter intake, as-fed herd supply and estimated feed cost. Adjust cattle weight, days, moisture and feeding loss.

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animal unit calculator

Animal Unit Calculator & Pasture Stocking Rate

Animal unit calculator and stocking rate calculator for herd AU, AUM per acre, forage demand and estimated pasture capacity. Set forage harvest efficiency.

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Machining and metal

density calculator

Density Calculator

Density calculator for pounds per cubic foot and specific gravity from the weight and volume you enter.

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3d printing cost calculator

3D Printing Cost Calculator

3D printing cost calculator from filament grams and machine hours. Material and time prices are estimates you enter.

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feeds and speeds calculator

Feeds and Speeds Calculator

Feeds and speeds calculator for RPM and inches per minute. Also a speeds and feeds calculator, cnc feeds and speeds calculator, cutting speed calculator, drill speed calculator, and machining calculator.

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horsepower calculator

Horsepower Calculator

Horsepower calculator from torque and RPM, plus a torque calculator, a hydraulic horsepower calculator, a pump horsepower calculator, and a motor horsepower calculator.

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belt length calculator

Belt Length Calculator

Belt length calculator for an open belt, plus a pulley calculator for the speed ratio and driven RPM.

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oxygen cylinder duration calculator

Oxygen Cylinder Duration Calculator

Oxygen cylinder duration calculator from gauge pressure, residual pressure, a cylinder factor, and flow. The oxygen tank duration calculator uses the same minutes.

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bend allowance calculator

Bend Allowance Calculator

Bend allowance calculator for one bend: allowance, deduction, and flat length. The sheet metal bend calculator uses a K-factor you enter.

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welding cost calculator

Welding Cost Calculator: Weld Cost per Foot

Welding cost calculator for labor, consumables, material and overhead. Use this weld cost calculator to estimate job cost and cost per weld foot.

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laser cutting cost calculator

Laser Cutting Cost Calculator: Batch and Per-Part Estimates

Laser cutting cost calculator for cut length, speed, piercing, machine time and material waste. Estimate batch and per-part costs using your shop rates.

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injection molding cost calculator

Injection Molding Cost Calculator: Tooling and Cost per Part

Injection molding cost calculator for resin, cavities, cycle time, rejects, setup and tooling. Estimate total batch cost and cost per required good part.

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hydraulic cylinder calculator

Hydraulic Cylinder Calculator: Force, Bore & Rod

Hydraulic cylinder calculator for push/pull force, required bore, and rod diameter limits. Estimate cylinder force from PSI, bore, rod, and efficiency.

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compressed air calculator

Compressed Air Calculator: SCFM, CFM & Compressor Sizing

Compressed air calculator for compressor SCFM sizing and SCFM/actual CFM conversion. Account for concurrent demand, reserve, duty, pressure, and temperature.

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force calculator

Force Calculator

Force calculator for a hydraulic press in tons, and for weight times acceleration. Pressure and ram size are the inputs you set.

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Logistics, warehouse, and transport

freight class calculator

Freight Class Calculator

Freight class calculator from length, width, height, and weight. A density estimate in pounds per cubic foot, not an official NMFC class.

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shipping cost calculator

Shipping Cost Calculator

Shipping cost calculator from your rate per pound, with a dimensional weight calculator for the billable weight.

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cbm calculator

CBM Calculator

CBM calculator for carton volume, plus a container loading calculator and shipping container calculator by volume.

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pallet calculator

Pallet Calculator

Pallet calculator for floor positions, stack height, and weight. Also a pallet load calculator, pallet stacking calculator, warehouse space calculator, storage calculator, and warehouse capacity calculator.

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towing capacity calculator

Towing Capacity Calculator

Towing capacity calculator from GCWR, curb weight, people, and cargo. Includes a payload calculator and a truck load calculator.

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axle weight calculator

Axle Weight Calculator

Axle weight calculator that sums steer, drive, and trailer axles into a gross. The truck weight calculator is that gross and each axle's share.

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route cost calculator

Route Cost Calculator

Route cost calculator for a trip from miles, your cost per mile, and tolls. The fleet cost calculator adds vehicles, annual miles, and a fixed cost.

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inventory turnover calculator

Inventory Turnover Calculator

Inventory turnover calculator from cost of goods and average inventory. Also an EOQ calculator, safety stock calculator, and reorder point calculator.

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forklift capacity calculator

Forklift Capacity Calculator

Forklift capacity calculator for a longer load center. The load capacity calculator reduces rated pounds as the center moves out.

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Electrical and HVAC

hvac load calculator

HVAC Load Calculator

HVAC load calculator for a room or a walk-in, with tons. A refrigeration load calculator and walk in cooler calculator use the box mode. Planning only, not a Manual J.

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load calculator

Load Calculator

Load calculator for equipment watts, with a 25 percent adder on the continuous portion and amps at the voltage you enter.

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generator size calculator

Generator Size Calculator

Generator size calculator from running watts and the largest motor's starting watts. The generator sizing calculator uses the same watt total.

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three phase power calculator

Three Phase Power Calculator

Three phase power calculator for kilowatts and kilovolt-amps. Includes a power factor calculator and a motor amperage calculator.

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duct size calculator

Duct Size Calculator

Duct size calculator for a round duct from airflow and a target velocity. Planning only, not a friction-rate design.

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pressure drop calculator

Pressure Drop Calculator

Pressure drop calculator using Hazen-Williams, plus a pipe size calculator from flow and a target velocity. Water planning only.

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transformer sizing calculator

Transformer Sizing Calculator

Transformer sizing calculator from volts, amps, and power factor, with a 25 percent continuous adder and the next standard kVA.

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water heater sizing calculator

Water Heater Sizing Calculator

Water heater sizing calculator for recovery gallons per hour and a first-hour estimate from storage plus recovery.

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