Free tools
Small, useful tools that run in your browser. Each one does one job well: the converters save their result to your free ParrotNotes account, so it is there when you install the app, and the calculators keep everything on your screen.
- LearningCornell Notes TemplateFill in a Cornell notes page in your browser, with cue column, notes and summary, for a training, meeting or course, then print it or save it as a PDF.Open the tool
- EstimatingLawn Mowing Price CalculatorPrice a mowing job from lawn size, mowing rate, extras and drive time at the hourly rate you want, per cut, month and season.Open the tool
- EstimatingFuel Surcharge CalculatorWork out a fuel surcharge per mile, per trip and as a percent of the linehaul from the base price, today's diesel price and MPG.Open the tool
- EstimatingFlow Rate CalculatorWork out water flow in GPM or L/min from a bucket test or from pipe size and velocity, and convert feet of head to pressure.Open the tool
- SalesDSCR CalculatorWork out a rental's debt service coverage ratio from rent and PITIA or from NOI, plus the largest loan the rent supports.Open the tool
- SalesContractor Invoice TemplateBill a job with labor, materials and change orders, take off deposits and retainage, and print the invoice or save it as a PDF.Open the tool
- EstimatingRetaining Wall CalculatorCount the retaining wall blocks, caps, base gravel and drainage stone a wall needs from its length, height and block size, with cost.Open the tool
- EstimatingGenerator Wattage CalculatorAdd up the running and starting watts of the appliances you want to power to size a portable or home standby generator, with a margin.Open the tool
- SalesFeeds and Speeds CalculatorWork out spindle rpm, feed rate and material removal rate for milling, drilling and turning from the cutting speed, diameter, teeth and chip load.Open the tool
- SalesHorsepower and Torque CalculatorConvert torque and rpm to horsepower and back in lb-ft, N·m, hp, kW and PS, with gearbox and electric motor tabs and the 5,252 rule explained.Open the tool
- EstimatingEpoxy CalculatorWork out how much epoxy a floor, countertop, table or river pour needs from the area and thickness, in gallons, liters, kits and cost.Open the tool
- EstimatingCFM and Duct Size CalculatorWork out the CFM a room needs from air changes per hour, tons of cooling, bathroom size or whole-house ventilation, and size a round or rectangular duct at a chosen velocity.Open the tool
More tools are on the way. Have one in mind? Tell us at support@parrotnotes.app.