Smart calculators

    Numbers that work.Decisions made easy.

    Invoices, split bills, mortgages, pricing, commission and tax — all in one place. Free plan: up to 10 calculator emails/month.

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    Sign · PDF · Email

    Cal-Dine

    Dining & split bills

    Tips, service charges and split bills, with a signed receipt you can export or email.

    Open Cal-Dine
    Sign · PDF · Email

    Cal-lance

    Freelance invoices

    Line items, tax and signatures, then export a PDF or email it to your client.

    Open Cal-lance

    More calculators

    Real Estate & Loans

    Cal-Mortgage

    Mortgage & loan repayments

    Monthly repayments, total interest, loan-to-value and a yearly payoff schedule.

    Calculate
    Rates & Pricing

    Cal-Rate

    Hourly & day rate

    The hourly and day rate you need to hit your take-home income goal.

    Calculate
    Rates & Pricing

    Cal-Margin

    Profit margin & markup

    Selling price and profit from your cost, with margin and markup side by side.

    Calculate
    Sales & Revenue

    Cal-Comm

    Sales commission

    Commission payouts with a base rate and a bonus rate above quota.

    Calculate
    Sales & Revenue

    Cal-BreakEven

    Break-even point

    How many sales you need each month to cover your fixed costs.

    Calculate
    Invoicing & Tax

    Cal-Tax

    VAT, GST & reverse tax

    Add tax to a price or pull the tax out of a total, with common country rates.

    Calculate

    Calculate free. Sign in to save and send.

    Cal-Dine

    Split bills, add tips and service charges, and send a receipt.

    Cal-lance

    Build freelance invoices with line items and tax.

    Sign & export

    Add your signature and save a PDF (free account).

    Email results

    Email invoices and receipts — 10 per month on Free.