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Calcimator

Contest Score Calculator

Calculate ham radio contest score from QSOs, multipliers, and bonus points. Includes rate analysis and multiplier vs QSO strategy comparison.

About this calculator

Contest scoring in amateur radio boils down to one multiplicative formula: total QSO points times unique multipliers, plus any bonus. This calculator supports three common scoring models. "Standard" simply multiplies every logged contact by a fixed point value you set. "ARRL style" weights contacts by mode — 2 points for CW, 1 for phone, 2 for digital — and totals each mode's QSOs separately. "CQ WW style" approximates DX-weighted scoring (1 point for same country, 2 for same continent, 3 for different continent) by assuming a fixed 30/30/40 split of your total QSOs across those three tiers rather than asking you to log each contact's actual origin — treat that mode as a ballpark, not your real log's score. Beyond the final number, the calculator breaks down your operating rate (QSOs per hour and points per hour) and, more usefully, the marginal value of chasing one more multiplier versus working one more average-value QSO.

Because score is QSO points multiplied by multipliers, a single new multiplier boosts every QSO point you've already banked — which is why it can be worth far more than another routine contact, especially late in a contest when your QSO rate has slowed. The "Hunt Mults?" output flags this when a multiplier's marginal value exceeds three QSOs' worth of points, a simple heuristic for deciding whether to keep running a frequency or go hunting band-to-band for new multipliers. Enter your actual mode breakdown (CW/phone/digital) for ARRL-style scoring — the calculator uses those directly rather than the aggregate QSO count.

Inputs

hrs

Results

Final Score

10,500

QSO Rate

12.5 /hr

Value of +1 Multiplier

300 pts

Total QSO Points300
Points per Hour875
Avg Points per QSO2
Value of +1 QSO70 pts
Hunt Mults?Yes
Score Per Mult300
How to Use This Calculator
  1. Enter total QSOs worked and unique multipliers (DXCC entities, states, zones, etc.).
  2. Set the QSO point value for your contest category (CW vs. phone, band, distance).
  3. Select the contest type to apply the correct scoring formula.
  4. Review your final score, total QSO points, QSO rate, and points per hour.
  5. Use the rate output to track logging pace and optimize operating strategy.

How the result changes with Total QSOs

Total QSOsFinal ScoreQSO RateValue of +1 Multiplier
755,2506.3 /hr150 pts
1137,9109.4 /hr226 pts
22515,75018.8 /hr450 pts
37526,25031.3 /hr750 pts

What each input means

Total QSOs
Total number of contacts made during the contest
Unique Multipliers
Unique multipliers worked (states, countries, zones, etc.)
Points per QSO
Point value per QSO (used for Standard contest type)
Contest Type
The contest's scoring rules — determines how QSO points are calculated.
CW QSOs
Number of Morse code contacts
Phone QSOs
Number of voice (SSB/FM) contacts
Digital QSOs
Number of digital mode contacts (FT8, RTTY, etc.)
Bonus Points
Any bonus points (power multiplier, special stations, etc.)
Operating Hours
Total hours spent operating during the contest

How this is calculated

Formula

Score = (QSO Points × Multipliers) + Bonus

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Total QSOs = 150, Unique Multipliers = 35, Points per QSO = 2, Contest Type = 1 = 9 input(s) provided
  2. Calculate Final Score
    Final Score
    10500 = 10500
  3. Calculate QSO Rate
    QSO Rate
    12.5 = 12.5
  4. Calculate Value of +1 Multiplier
    Value of +1 Multiplier
    300 = 300
  5. Calculate Total QSO Points
    Total QSO Points
    300 = 300
  6. Calculate Points per Hour
    Points per Hour
    875 = 875

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.

Frequently Asked Questions

Why can chasing one new multiplier be worth more than working several new QSOs?

Because final score is calculated as total QSO points multiplied by unique multipliers plus any bonus, one additional multiplier multiplies every QSO point you've already banked, while one additional QSO only adds that QSO's own point value times your current multiplier count. The calculator quantifies this directly: Value of +1 Multiplier equals your current total QSO points, while Value of +1 QSO equals your average points per QSO times your multiplier count — so the multiplier's value pulls ahead the more QSO points you've already logged.

What does the Hunt Mults? recommendation actually check?

It compares the two marginal values above and answers Yes only when the value of one more multiplier exceeds three times the value of one more average QSO. That 3x threshold is a simple heuristic, not a precise breakeven point — it's meant to flag situations where it's clearly worth abandoning a productive run to search band-to-band for a new multiplier, not to call every marginal case.

How does CQ WW style scoring work if I only enter a total QSO count and not each contact's country?

Rather than asking you to classify every contact, this mode assumes a fixed split of your total QSOs — 30% same country worth 1 point, 30% same continent worth 2 points, and 40% different continent worth 3 points — and applies that ratio to compute total QSO points. It's a ballpark approximation of DX-weighted scoring, not a substitute for scoring your actual log entry by entry.

Do the CW, Phone, and Digital QSO fields affect my score under Standard or CQ WW style scoring?

No — those three fields only drive the score itself when Contest Type is set to ARRL style, which totals 2 points per CW QSO, 1 point per Phone QSO, and 2 points per Digital QSO, so they're only shown as editable inputs in that mode. Under Standard or CQ WW style, only the Total QSOs field feeds the score formula; the QSOs-and-points-by-mode chart still reflects whatever CW/Phone/Digital values were last entered in ARRL mode, using your selected Points per QSO value for all three modes in that view.

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