Free UK Business Calculators

VAT Return Calculator

Calculate VAT owed or reclaimable for your VAT return.

VAT Calculator

Add or remove 20% VAT from any amount.

Corporation Tax Calculator

Estimate CT for small and large profits, including marginal relief.

Salary vs Dividend Calculator

Find the most tax-efficient split for director pay.

IR35 Calculator

Estimate your inside vs outside IR35 take-home pay.

Capital Gains Summary

Work out CGT on shares, property and other assets.

Annual Leave Calculator

Calculate statutory holiday entitlement for any working pattern.

Redundancy Pay Calculator

Calculate statutory redundancy pay based on age, salary and service.

Maternity Pay Calculator

Work out SMP entitlement and employer costs.

Statutory Sick Pay Calculator

Calculate SSP for employees off work due to illness.

Pension Auto-Enrolment Calculator

Estimate employer and employee pension contributions.

Zero-Hours Holiday Pay Calculator

Calculate holiday pay for irregular-hours workers post April 2024.

Stamp Duty Calculator

Calculate SDLT for residential property purchases in England.

Business Rates Calculator

Estimate your non-domestic rates bill for 2024/25.

CGT on Property

Calculate capital gains tax on property disposal.

BTL Mortgage Affordability

Check buy-to-let mortgage stress test results.

Commercial Lease Costs

Estimate total cost of a commercial lease including rent and rates.

Commercial Property Yield

Calculate gross and net yield on commercial investments.

Break-Even Calculator

Find the revenue needed to cover your fixed and variable costs.

Cash Flow Calculator

Forecast monthly cash inflows and outflows.

Business Loan Calculator

Compare monthly repayments across loan amounts and terms.

Business Valuation Calculator

Estimate your business value using multiple methods.

Startup Cost Calculator

Plan your initial investment before launch.

Business Overdraft Cost

Calculate interest on a business overdraft facility.

Employment Tribunal Compensation

Estimate compensation awards in unfair dismissal cases.

PAYE Settlement Agreement

Calculate gross-up costs for PSA benefits.

Inheritance Tax Planning

Estimate IHT exposure and available reliefs.

Licence Fee Calculator

Work out a fair IP licence fee based on royalty rates.

Trade Mark Cost Calculator

Estimate UKIPO trade mark registration costs.

Lease vs Buy Calculator

Compare total cost of leasing vs purchasing an asset.

Carbon Footprint Calculator

Estimate your business carbon emissions across scopes 1, 2 and 3.

Solar ROI Calculator

Calculate payback period and returns on commercial solar panels.

Business Energy Calculator

Estimate annual energy costs and savings potential.

EV Total Cost of Ownership

Compare electric vs petrol/diesel vehicles for your fleet.

Net-Zero Gap Calculator

Identify the gap between current emissions and your net-zero target.

EV vs Cash Calculator

Compare benefit-in-kind for EV company cars vs cash allowance.

Holiday Entitlement Calculator

Calculate statutory and contractual holiday allowance.

Redundancy Pay Calculator

Statutory redundancy pay based on age, length of service and weekly pay.

Statutory Sick Pay Calculator

SSP entitlement and weekly amounts for 2025/26.

Statutory Maternity Pay Calculator

SMP rates, duration and employer reclaim.

National Living Wage Checker

Check compliance with 2025/26 National Living Wage rates.

Apprenticeship Levy Calculator

Calculate your levy liability and available training funds.

MOT Bay Throughput Calculator

Estimate annual revenue from your MOT bays at different utilisation rates.

EV Charger Payback Calculator

Calculate payback and annual profit from installing an EV charging point.

Taxi & PHV Take-Home Pay Calculator

Net take-home for Uber, Bolt and owner-operator PHV drivers.

Body Shop Labour Rate Calculator

Establish a profitable labour rate based on overhead recovery and utilisation.

Driving School Fleet ROI

ROI per teaching car — lessons, instructor cost and depreciation.

Auto Parts Markup to Margin

Convert between markup and margin — avoids common underpricing errors.

Solar PV Installer Job Margin

Profit margin on a solar PV installation including panels, inverter and scaffold.

ASHP Installer Margin Calculator

Net margin on a heat pump installation after the £7,500 BUS grant.

EPC Assessor Pricing Calculator

Set profitable EPC pricing based on property type and travel time.

Insulation Installer Job Margin

Margin on cavity wall, loft or EWI insulation — ECO4 vs private pay.

Battery Storage Installer Margin

Profit per battery storage installation — AC vs DC coupled, with or without solar.

Small Wind Turbine ROI

Payback for small-scale wind turbines with SEG export income modelled.

Break-Even Calculator

Units and revenue needed to cover fixed and variable costs.

Gross Margin Calculator

Margin, markup and profit percentage from revenue and cost.

Business Loan Repayment

Monthly repayments and total interest on a business loan.

ROI Calculator

Return on investment for marketing spend, capex or any project.

Cash Conversion Cycle

DIO + DSO − DPO: how long cash is tied up in operations.

Customer Lifetime Value

CLV from average revenue, churn rate and gross margin.

UK Grant Eligibility Checker

Check which government and regional grants your business may qualify for.

Innovate UK Grant Estimator

Estimate your Innovate UK grant based on project cost, size and type.

Start Up Loans Eligibility

Check eligibility for the BBB Start Up Loan — up to £25,000 at 6% fixed.

SEIS Tax Relief Calculator

Calculate SEIS income tax relief, CGT exemption and loss relief.

EIS Tax Relief Calculator

30% income tax relief, CGT deferral and loss relief for EIS investors.

Invoice Factoring Cost

True cost of invoice factoring vs discounting — service charge and APR.

Architect Fees (RIBA Stages)

Estimate architect fees across RIBA stages 0-7 for any project type.

Planning Application Fee

Calculate planning fees for England (December 2023 schedule).

Building Survey Fee

RICS Level 1, 2 and 3 survey cost estimates by property type and age.

Structural Engineer Fee

Structural engineer fees for residential and commercial projects.

Party Wall Surveyor Fee

Estimate party wall surveyor costs for extensions and loft conversions.

Scaffolding Cost Calculator

Scaffold hire and erection costs for residential and commercial projects.

Nanny PAYE Employer Cost

True employer cost of a nanny — gross salary, employer NI, pension and payroll fees.

Tax-Free Childcare Saving

Government adds 20p per 80p deposited — calculate your annual saving.

Nursery EYFS Ratios & P&L

Model nursery P&L with EYFS staff ratios, funded hours mix and occupancy.

Childminder EYFS Pricing

Set sustainable session prices based on LA funding rates and operating costs.

Live-In Nanny True Cost

Total cost including accommodation value, gross pay, NI and holiday pay.

Au Pair Cost Calculator

Total UK au pair cost including pocket money, meals, accommodation and flights.

Freelance Day Rate

Minimum viable day rate based on income target, expenses and billable days.

UK Film Tax Relief (AVEC)

Estimate Audio Visual Expenditure Credit for qualifying UK productions.

Photography Session Pricing

Set session fees covering equipment depreciation, travel and editing time.

Creative Agency Margin

Model gross margin — staff cost, overhead recovery and utilisation.

Video Production Budget

Build a production budget covering crew, equipment, post and delivery.

Copywriting & Content Rate

Per-word, per-hour or project rates for copywriting and content strategy.

Appointment Slot Revenue

Calculate annual gross revenue from appointment slots based on duration, utilisation and hourly rate.

Dental NHS UDA vs Private Mix

Model revenue from different NHS UDA / private patient ratios for a UK dental practice.

Therapy Session Pricing

Set profitable therapy rates covering rent, CPD, insurance, admin and pension contributions.

Aesthetics Clinic ROI

Calculate ROI per treatment room for Botox, fillers and skin treatments.

IVF Cost Calculator UK

Estimate total IVF cost — NHS funded cycles vs private, medication, embryo storage and HFEA fees.

Gym Membership Pricing

Set profitable gym membership tiers based on fixed costs, utilisation and direct debit churn.

Pub Wet/Dry GP Calculator

Calculate blended gross profit from wet (drink) and dry (food) sales — tied tenancy vs freehouse.

B&B RevPAR Calculator

Revenue Per Available Room for B&Bs — occupancy rate, ADR, seasonal split.

Airbnb / Short-Let ROI

Net yield from a short-term rental after Airbnb commission, cleaning, rates and mortgage.

Holiday Let Tax (FHL 2025)

Model the tax impact of Furnished Holiday Letting regime abolition from April 2025.

Wedding Venue Per-Head

Revenue per wedding, per-head cost analysis and break-even guest count for wedding venues.

Dark Kitchen Margin

Profitability of a delivery-only kitchen — platform commission, food cost and contribution margin.

MRR / ARR Forecast Calculator

Project MRR and ARR growth: new bookings, expansion, contraction and churn over 24 months.

Churn Cohort Calculator

Analyse logo churn and revenue churn by cohort — monthly and annual views.

SaaS Valuation (ARR Multiple)

Estimate your SaaS company's valuation based on ARR, growth rate, Rule of 40 and NRR.

Rule of 40 Calculator

Check if your SaaS business meets the Rule of 40 — growth rate + EBITDA margin ≥ 40%.

Stripe Fee Calculator (UK)

Calculate Stripe processing fees for UK merchants — standard, Stripe Tax and international card uplift.

AWS Monthly Cost Estimator

Quick estimate of AWS monthly cost — EC2, RDS, S3, CloudFront for a UK startup.

ROAS Calculator

Calculate return on ad spend and break-even ROAS for Google Ads, Meta or any paid channel.

PPC Budget Planner

Work backwards from lead targets to required ad budget — by sector CPC benchmark.

LTV:CAC Ratio + Payback Calculator

Calculate LTV:CAC ratio and payback period — the core SaaS and growth marketing metrics.

A/B Test Sample Size Calculator

Calculate statistical significance and required sample size for valid A/B tests.

SEO Traffic Value Calculator

Estimate the equivalent PPC cost of your organic search traffic.

Influencer Campaign ROI Calculator

Calculate estimated reach, CPM, engagement cost and ROI for influencer marketing campaigns.

eBay Fee Calculator (UK)

Calculate eBay UK final value fees by category and net proceeds.

Etsy Fee Calculator (UK)

Etsy 6.5% transaction fee, Etsy Payments processing and VAT on fees.

Amazon FBA Fee Calculator

FBA fulfilment, storage and referral fees by size tier and category.

Shopify True Monthly Cost

Total Shopify cost including plan, processing fees and app subscriptions.

Vinted Fee Calculator

Vinted buyer protection fee — sellers pay zero commission.

Depop Fee Calculator

Depop 10% seller fee + Depop Payments processing (2.9% + 30p).

GDPR Fine Risk Calculator

Estimate ICO fine risk based on turnover, data volume and compliance posture.

DBS Check Cost Calculator

DBS check costs (Basic £18, Standard £38, Enhanced £38) for staff and volunteers.

ICO Data Protection Fee

ICO registration: Tier 1 £40, Tier 2 £60, Tier 3 £2,900 per year.

UK Trademark Cost Calculator

£200 first class + £50 each additional — IPO filing and attorney fee estimate.

Alcohol Licence Cost Calculator

Premises licence application fee by rateable value band (England & Wales).

Companies House Fees

Incorporation £50, confirmation statement £34/year, accounts filing free.

Business Carbon Footprint

Estimate scope 1, 2 and 3 carbon emissions — energy, travel, supply chain and waste.

Net Zero Cost Roadmap

Model investment required to reach net zero by 2030 or 2050.

Commercial Solar PV ROI

ROI for commercial rooftop solar — output, SEG income and payback period.

EV Fleet Conversion

Cost and payback of switching company fleet from petrol/diesel to electric.

Plastic Packaging Tax

UK Plastic Packaging Tax (£217.96/tonne) — eligible weight and annual liability.

Green Certification Cost

Cost and time for B Corp, ISO 14001, PAS 2060 or ESOS compliance.

Tutor Session Pricing

Profitable tutoring rates based on subject, qualification and income target.

Private School Fees VAT

Impact of 20% VAT on independent school fees (from January 2025).

Student Loan Repayment

Monthly repayments under Plan 2 (£27,295 threshold) and Plan 5 (£25,000).

Apprenticeship ROI

Net cost and productivity value of taking on an apprentice under current funding rules.

E-Learning Platform Cost

Monthly cost: Teachable, Thinkific, Kajabi vs self-hosted LMS comparison.

Nursery Funded Hours Revenue

Revenue mix from 15h/30h funded hours at LA rate vs private sessions.

Economic Order Quantity (EOQ)

Optimal stock order quantity to minimise total ordering and holding costs.

Delivery Pricing Calculator

Set profitable delivery charges based on distance, weight and vehicle cost.

Staff Scheduling Cost

Weekly staff cost optimisation — shift patterns, NLW compliance and overtime.

Warehouse Cost Per Unit

Full cost per unit stored — rent, rates, handling, insurance and labour.

Office Cost Per Desk

Cost per desk in office space — rent, rates, service charge and utilities.

Retail Shrinkage Cost

Annual cost of inventory shrinkage — theft, employee loss and admin errors.