Your Smart Kit

Enter the price, your down payment, the rent and other income, the mortgage terms, and the monthly running costs. The tool works out the mortgage payment, the monthly cash flow, and the return metrics for the property. Purchase price ($) Down payment ($) Monthly rent ($) Other monthly income ($) Mortgage annual rate (%) Loan…

Section A — Colour bands to resistance Pick how many bands the resistor has, then pick the colour of each band from the lists. The first bands are the digits, the next is the multiplier, and the last is the tolerance. Number of bands 4-band5-band6-band Band 1 — first digit Choose a colourBlack — 0Brown…

Enter the room’s floor area and ceiling height, then choose the climate, insulation, sun exposure, and room type. The tool works out the recommended cooling capacity in BTU, the BTU per square foot, and the suggested AC tonnage. Room area (square feet) Ceiling height (feet) Climate zone Choose a climate zoneMildModerateHotVery hot Insulation quality Choose…

Enter an IPv4 address and a CIDR prefix (for example /24), or enter a subnet mask instead. If you enter both a CIDR prefix and a subnet mask, the CIDR prefix wins. IPv4 address — first octet Second octet Third octet Fourth octet CIDR prefix (0 to 32) Subnet mask (optional, dotted decimal — use…

Section A — ET and trap speed from weight and horsepower Enter your car’s race weight and its crank horsepower to estimate the quarter-mile elapsed time (ET) and trap speed. Vehicle weight Weight unit lbkg Crank horsepower (HP) Use crank horsepower (at the engine), not wheel horsepower. Race weight means the car with the driver,…

Enter your gross monthly income and each monthly debt payment. Leave a debt field blank or enter 0 if it does not apply to you. Gross monthly income (before tax) Housing — rent or mortgage payment Car loan payment Student loan payment Credit card minimum payments Other monthly debts Use the minimum payment for credit…

Enter the trip distance, your car’s fuel efficiency, and the fuel price where you plan to fill up. Tick the round-trip box if you are driving back by the same route. Trip distance (one way) Distance unit MilesKilometres Fuel efficiency Efficiency unit MPG (miles per gallon)L/100km (litres per 100 km) If you pick MPG, enter…

Online Hourly Calculator Turn an hourly rate into weekly, monthly and annual gross pay. Hourly rate ($) Regular hours per week Overtime hours per week Overtime multiplier Calculate hourly pay Clear Regular pay per week $0.00 Overtime pay per week $0.00 Total pay per week $0.00 Pay per month $0.00 Pay per year $0.00 Effective…

Electricity Cost Calculator Work out the running cost of any appliance from its watts, hours and your price per kWh. Power (watts) Hours used per day Days per month Electricity price per kWh ($) Calculate electricity cost Clear Cost per hour $0.00 kWh per day 0.00 kWh per month 0.00 Cost per day $0.00 Cost…

Asset cost (amount to amortize) Salvage value (residual value at the end of useful life) Useful life (years, 1 to 50) Calculate amortization Annual amortization expense Monthly amortization Total amortization Depreciable base (cost minus salvage) Year-by-year schedule Year Annual expense Accumulated amortization Book value Straight-line amortization spreads an asset’s cost evenly over its useful life.…