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Better numbers. Clearer decisions. Calculate UK take-home pay, mortgage payments, stamp duty, business profit, VAT and savings with free, straightforward tools.

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⊞ 18 practical calculators
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Your everyday number toolkit

Big questions. Simple tools.

Find the numbers you need to take your next step.

18 tools to explore

Pricing & profit

Profit margin calculator

Calculate profit per item and total profit after costs.

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Pricing & profit

Markup calculator

Find the uplift on your product cost.

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Pricing & profit

Break-even calculator

Find how many sales recover your initial purchase.

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Marketing & growth

ROI calculator

Measure the return on your investment.

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Marketing & growth

ROAS calculator

Turn advertising spend into perspective.

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Everyday money

VAT calculator

Add or remove VAT at your chosen rate.

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Pricing & profit

Discount & profit calculator

See the true cost of a sale or promotion.

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Marketing & growth

Revenue growth calculator

Compare this period with the last.

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Business finance

Cash runway calculator

Understand how long your cash can last.

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Business finance

Loan repayment calculator

Plan monthly payments and total interest.

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Saving & investing

Compound interest calculator

Explore how your money could grow.

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Saving & investing

Savings goal calculator

Work out the monthly path to your goal.

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UK salary & pensions

UK take-home salary calculator

See your pay after income tax, NI, pension and student loans.

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UK salary & pensions

UK pension impact calculator

Compare take-home pay and pension funding before and after contributions.

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Buying a home

UK mortgage repayment calculator

Compare repayment and interest-only mortgage payments.

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Buying a home

UK mortgage borrowing calculator

Explore an income multiple, monthly budget and deposit together.

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Buying a home

UK property purchase tax calculator

Estimate SDLT, LBTT or LTT for your location and buyer status.

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Buying a home

UK home-buying costs calculator

Budget for your deposit, purchase tax, solicitor, survey and moving costs.

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Latest from the blog

Better decisions start here.

A £100 product with £60 cost earns £40 gross profit, falling to £20 after a 20% discount.
Pricing & profit · 7 min read

How Much Does a 20% Discount Reduce Your Profit?

What a discount really costs, and how many extra sales you need to make up the difference.

Read the guide →
Made to make sense

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