Calculate the cash equivalent of every benefit-in-kind for an employee — company car, fuel, beneficial loan, medical insurance and the full HMRC P11D worksheet set — with employee marginal tax and employer Class 1A NIC.
Tax years 2023/24 → 2026/27 · Scotland & rest of UK bands
Every P11D worksheet, the cash equivalent, employee marginal tax and Class 1A NIC.
List price × CO₂ band, EV uplift to 2026/27, optional fuel benefit, capital and private-use contributions.
Average-balance method with the official rate of interest, joint-borrower split and de minimis exemption.
Vans, accommodation, vouchers, services, assets, relocation, subscriptions, childcare and more.
Practice name, logo and chosen brand colour applied to the cash-equivalent breakdown.
Three short steps from benefit inputs to a branded P11D pack.
Pick a benefit category and enter the HMRC inputs — list price, CO₂, fuel type, available-from date, capital and private-use contributions.

Every benefit is totalled into a single cash equivalent, with the employee's marginal tax and the employer's Class 1A NIC shown alongside.

One click for a year-end-ready P11D pack with the practice logo, brand colour and a clean per-employee breakdown.

Quick answers on rates, rules and what's included.