About Casvia
Casvia provides free UK financial calculators and planning tools for income tax, National Insurance, mortgages, ISAs, pensions, retirement, student loans, stamp duty, inflation and investing. Core calculators require no account and show transparent formulas and assumptions.
Casvia is an independent UK financial calculator and planning website built around current UK rules and transparent maths. It includes tools for income tax, National Insurance, mortgages, ISAs, pensions, retirement, student loans, stamp duty, inflation and investing. Core calculators work without an account and explain the formulas, assumptions and official sources used.
