Summate

Free, indicative calculators to explore savings, loans and more. Results are for illustration only - not financial advice. Always do your own research.

Savings & investing

See how savings and investments can grow over time with different rates and terms.

Compound Interest

Estimate growth of an investment or savings with compound interest. For illustration only.

Savings Goal

See how much to save each month to reach your target. For illustration only.

Savings Growth

See how much you will have in the future with your current monthly savings. For illustration only.

Rule of 72

Quick estimate: how many years to double your money at a given rate. For illustration only.

Loans & debt

Work out repayments and total cost for loans, mortgages and other borrowing.

Loan / Mortgage Calculator

Estimate monthly repayments for a loan or mortgage. For illustration only.

Debt Payoff (Avalanche vs Snowball)

Compare payoff strategies: highest interest first vs smallest balance first. For illustration only.

Extra Payment Impact

See how extra or lump-sum payments reduce your loan term and total interest. For illustration only.

Everyday & budgeting

Split bills, convert salary to hourly, estimate take-home pay, and tiered commission.

Split Bill & Tip

Split a bill between people with an optional tip. For illustration only.

Salary to Hourly

Convert between annual salary and hourly rate. For illustration only.

Take-Home Pay (UK)

Estimate UK take-home from gross salary with optional student loan, pension and other deductions. For illustration only.

Tiered Commission

Work out commission when rates change by sales band (marginal tiers). For illustration only.