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Time Card Calculator

Calculate work hours, breaks, weekly totals and overtime.

Slope Calculator

Calculate percentage, angle, ratio and slope length from Rise and Run — with a live diagram.

Deck Board Calculator

Calculate how much decking you need from deck size, board width, spacing, and waste allowance.

Flooring Calculator

Calculate how much flooring you need from room sizes, waste allowance, and box coverage.

Board Foot Calculator

Calculate board feet for lumber from thickness, width, length, and quantity.

Loan Repayment Calculator

Calculate monthly payments, total interest, and compare loan repayment scenarios.

Cent to Square Feet Calculator

Convert between cent and square feet for land area.

Cent to Square Meter Calculator

Convert between cent and square meters for land area.

Guntha Converter

Convert Guntha to and from square feet, acres, and other land-area units.

Gaj Converter

Convert Gaj to and from square feet and other common land-area units.

Nm to ft-lb Converter

Convert torque between Newton-meters, foot-pounds and other common units.

PSI to Bar Converter

Convert between PSI, bar, kPa, MPa and other pressure units.

MPG to L/100 km Converter

Convert fuel economy between US MPG, Imperial MPG and liters per 100 km.

BTU/hr to kW Converter

Convert HVAC capacity and power between BTU/hr and kilowatts.

AWG to mm² Converter

Compare AWG wire sizes by conductor diameter, area and circular mils.