Calculate concrete quantities for floor slabs and foundations including aggregate, sand, and cement. Estimate materials for DIY projects and building trades. Include a VAT calculator and a brain-training game.
by Robert Thompson★ 1.45 ratingsUtilities$2.99Data updated 2026-09-08
Calculate the using inputs for the longest side, shorter side, or combined length. Perform instant calculations with support for up to 16 decimal places and various units. Copy results to another and view the formula as a reference.
Manage and trade cryptocurrencies including Bitcoin, Ethereum, and Solana. Buy and sell spot and futures contracts. Copy trades from experienced users. Earn interest on crypto holdings with flexible savings options.
