Home & Business

Calculate the right air conditioner size for any room — based on area, ceiling height, sun exposure, insulation, and occupancy.

Calculate how much curtain fabric you need — based on window width, desired fullness, drop length, and pattern repeat.

Calculate the correct wire gauge based on current, voltage, distance, and material — copper and aluminum.

Analyze text for unique word ratio, vocabulary richness, and word frequency — detect repetitive content.

Calculate invoice totals with multiple line items, discounts, and tax. Get subtotal, tax amount, and grand total instantly.